Technisonic Industries Limited TDFM 136 VHF/FM Digital Airborne Transceiver Installation and Operating Instructions
Below you will find brief information for VHF/FM Digital Airborne Transceiver TDFM 136. This transceiver, designed for airborne use, offers digital or conventional analog FM communications over a broad frequency range, with selectable channel spacing. The device is equipped with a two-channel synthesized guard receiver and provides 230 operator-accessible memory positions.
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TDFM-136
VHF/FM DIGITAL AIRBORNE TRANSCEIVER
Installation and
Operating Instructions
TiL Document No. 99RE255
Revision D Issue 12
FEBRUARY 2004
Software Release 2.0.0
Technisonic Industries Limited
240 Traders Boulevard, Mississauga, Ontario L4Z 1W7
Tel: (905) 890-2113 Fax: (905) 890-5338 www.til.ca
Copyright by Technisonic Industries Limited. All rights reserved.
REV
A
REVISION HISTORY
[ 99RE255 ]
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DESCRIPTION
Changed Section 2 to reflect operating instructions for R0V20 software.
DATE
MAR 2000
EDITED
BY
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Changed Section 2 to reflect operating instructions for R0V44 software.
Changed Figure 3-4 to reflect new jumper locations.
Changed Section 2 to reflect operating instructions for R1V00 software.
Expanded descriptions of commands.
Updated Figures 3-4 & 3-5.
Added ‘Set Command Permissions,’ L4-1.
Moved: Upload, Download, Side tone adjust commands from L4-2, -8, -7 to L3-2, -8, -7.
Moved: Edit Noise Squelch L4-9 to L2-9.
Fixed typos. Added information for clarity.
Version 2 software.
TiL Address change.
Added STC Approval notice.
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2-21, 2-23, 2-34.
CR#08295 - Issue updated.
File formatting may cause pages to be resequenced by adding headers, footers, etc.
Corrected typing errors as found.
Table 2, 2-1 renamed, simplified (improved upon).
New table added as Table 2-2, S2-4.
Section 2 pages re-sequenced as a result.
Section 2 Changed Operator Level x to
Command/Operator Level x
Example paragraph corrected.
Added the line “To access the … “
Figures 3-4 & 3-5 updated (locate J6-J4).
Added this CR#08428 on revision page.
CR#09763 Note added.
Fig 2-4.1 changed, Section 2.6: Added info regarding keyloader (for future use).
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[ 99RE255 ]
DESCRIPTION
Figure 3-3: Wiring Connections (added ITEM 4).
Post EMI test changed to allow flight test option for
Glide Slope procedure.
Added “Edited By” column to Revision page.
From Results removed Note 1 and 2.
Formatted Title Page to match current manual style
Corrected Figure 3-3: Detailed Wiring Connections.
- Added Optional High Pass Filter
- Updated AC references under Notes
Corrected Spelling & Grammar throughout document.
DATE
AUG 2009
JUN 2010
MAY 2012
JAN 2014
EDITED
BY
F.M.
S.M.
F.M.
A.L. ii
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
ESD CAUTION
This unit contains static sensitive devices. Wear a grounded wrist strap and/or conductive gloves when handling printed circuit boards.
FCC COMPLIANCE INFORMATION
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
WARNING
•
Re-orient or relocate the receiving antenna
•
Increase the separation between the equipment and receiver
•
Connect the equipment into an outlet or circuit different from that to which the receiver is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by Technisonic Industries could void the user’s authority to operate the equipment.
WARRANTY INFORMATION
The Model TDFM-136, VHF/FM Transceiver is under warranty for one year from date of purchase. Failed units caused by defective parts or workmanship should be returned to:
Technisonic Industries Limited
240 Traders Boulevard
Mississauga, Ontario L4Z 1W7
Tel: (905) 890-2113
Fax: (905) 890-5338 iii
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
STC APPROVAL NOTE
Presently, no TSO standard exists for airborne FM transceivers. To make it easier for installation agencies to provide their customers with an approved installation supported by an effective Airworthiness
Approval, Technisonic has secured Supplemental Type Certificate (STC) Approvals (both US and
Canadian) on its Airborne FM products for many helicopters currently being delivered in the US and
Canada as well as a number of single engine fixed wing aircraft. The above referenced DO-160C test data is also on file and available from Technisonic to support approval requirements in airframes for which Technisonic does not possess an STC.
Approved aircraft types are listed in the attachments to the formal STC documents. These STCs are the exclusive property of Technisonic and require the written authority of Technisonic for their use. To assist
Factory Authorized Technisonic Dealers in the certification process, we have placed copies of our
Canadian and US STCs on our website along with a letter of authorization for their use. These documents may be downloaded and used as support for the technical submission to FAA or Transport Canada. Only authorized factory dealers/installers are permitted to download and make use of these documents on behalf of their customers (end users) in support of regulatory agency approval. Please refer to the
Technisonic website www.til.ca for the latest issue of available STCs and letter of authorization for use.
COPYRIGHT NOTICE
This document contains designs and other information which are the property of Technisonic Industries
Ltd. Except for rights expressly granted by contract to the Canadian Government, or to the United States
Government, this document may not, in whole or in part, be duplicated or disclosed or used for manufacture of the part disclosed herein, without the prior permission of Technisonic Industries Ltd.
WARNING AND DISCLAIMER
This manual is designed to provide information about the TDFM-136. Every effort has been made to make this manual as complete and accurate as possible. iv
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TABLE OF CONTENTS
SECTION
SECTION 1 GENERAL DESCRIPTION
TITLE PAGE
1.1
1.2
1.3
1.4
1.5
1.6
Introduction ....................................................................................................................... 1-1
Description ......................................................................................................................... 1-1
Purpose of Equipment ...................................................................................................... 1-1
Model Variation ................................................................................................................. 1-2
Technical Characteristics ................................................................................................. 1-2
Certification Summary ...................................................................................................... 1-4
SECTION 2 OPERATING INSTRUCTIONS
2.1
Command Methodology ................................................................................................... 2-1
2.2.1
Programming Guide .......................................................................................................... 2-3
2.2
Operator Level 1 Commands ........................................................................................... 2-5
L1-1 Increase Display Brightness ......................................................................................... 2-5
L1-2 Increase Display Brightness ......................................................................................... 2-5
L1-3 Edit or Select Channel Operating Mode ....................................................................... 2-5
L1-4 Scroll Backwards through Available Memories ............................................................ 2-6
L1-5 Start/Stop Scan ............................................................................................................ 2-6
L1-6 Scroll Forward through Available Memories ................................................................. 2-7
L1-7 Edit Channel Operating Frequency .............................................................................. 2-7
L1-8 Decrease Display Brightness ....................................................................................... 2-7
L1-9 Edit Channel Squelch Mode ......................................................................................... 2-8
L1-9.1 Edit Noise Squelch Value ......................................................................................... 2-8
L1-9.2 Select CTCSS Tone ................................................................................................. 2-9
L1-9.3 Select DCS Code ...................................................................................................... 2-9
L1-9.4 Edit Project 25 Talkgroup Value ............................................................................... 2-10
L1-9.5 Edit Project 25 NAC Value ........................................................................................ 2-10
L1-9.6 Edit Project 25 ID Call Value .................................................................................... 2-11
L1-0 Command Level Up ...................................................................................................... 2-11
L1-# Not Used ...................................................................................................................... 2-11
L1-* Not Used ...................................................................................................................... 2-11
2.3 Operator Level 2 Commands ................................................................................................. 2-12
L2.1 Create/Edit All Channel Information ............................................................................. 2-12
L2-1.1 Entering a Memory Number ...................................................................................... 2-12
L2-1.2 Enter a Scan Zone & Enabling/Disabling Scan ........................................................ 2-12
L2-1.3 Enter a Text Description ........................................................................................... 2-13
L2-1.4 Enter an Operating Mode ......................................................................................... 2-13
L2-1.5 Enter a Frequency .................................................................................................... 2-13
L2-1.6 Enter the Squelch Parameters .................................................................................. 2-13
L2-2 Copy Guard to Main ..................................................................................................... 2-13
L2-3 Lock Keypad ................................................................................................................. 2-13
L2-4 Not Used ...................................................................................................................... 2-13
L2-5 Edit Scan List & Enable/Disable Scan .......................................................................... 2-14
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SECTION TITLE PAGE
L2-6 Edit Channel Text Description ...................................................................................... 2-14
L2-7 Create Shadow Channel .............................................................................................. 2-15
L2-7.1 Selecting a Primary Number to Base the Shadow On .............................................. 2-15
L2-7.2 Selecting a Primary Number to Base the Shadow On .............................................. 2-16
L2-8 Copy Main to Guard ..................................................................................................... 2-17
L2-9 Edit Unit ID Value ......................................................................................................... 2-17
L2-0 Command Level Up ...................................................................................................... 2-17
L2-* Command Level Down ................................................................................................. 2-17
L2-# Not Used ...................................................................................................................... 2-17
2.4 Operator Level 3 Commands ................................................................................................. 2-18
L3-1 Select Boot Channel ..................................................................................................... 2-18
L3-2 Unused ......................................................................................................................... 2-18
L3-3 Select Hex/Decimal Edit Mode ..................................................................................... 2-18
L3-4 Display Software Release and Version Information ..................................................... 2-19
L3-5 Edit Scan Parameters .................................................................................................. 2-19
L3-5.1 Setting the Revert Mode default: last contacted ....................................................... 2-19
L3-5.2 Setting the Reply-Timer Range: 0-20s, Default: 3 seconds ..................................... 2-20
L3-5.3 Setting the Monitor-Timer Range: 1-90s, Default: 10 seconds ................................. 2-20
L3-5.4 Setting the Delay-Timer Range: 0-15s, Default: 5 seconds ..................................... 2-21
L3-6 Configure the PTT Timer .............................................................................................. 2-21
L3-7 Side tone Audio Level Adjust ........................................................................................ 2-22
L3-8 PC Data Upload/Download ........................................................................................... 2-22
L3-9 Display Channel Squelch Parameters .......................................................................... 2-23
L3-0 Command Level Up ...................................................................................................... 2-23
L3-* Command Level Down ................................................................................................. 2-23
L3-# Unused ......................................................................................................................... 2-23
2.5 Maintenance Commands ........................................................................................................ 2-24
Accessing the Maintenance Commands ............................................................................. 2-24
L4-1 Set Default Record ....................................................................................................... 2-25
L4-2 Unused ......................................................................................................................... 2-26
L4-3 Set Command Permissions .......................................................................................... 2-26
L4-4 Unused ......................................................................................................................... 2-27
L4-5 Unused ......................................................................................................................... 2-27
L4-6 Unused ......................................................................................................................... 2-27
L4-7 Unused ......................................................................................................................... 2-27
L4-8 Unused ......................................................................................................................... 2-27
L4-9 Set Squelch Restrictions ............................................................................................... 2-28
L4-9.1 Restricting the Squelch Modes Available to Select .................................................. 2-28
L4-9.2 Restricting the Squelch Modes Value Edit ................................................................ 2-29
L4-9.3 Restricting the CTCSS Tone and DCS Code Values ............................................... 2-29
L4-0 Unused ......................................................................................................................... 2-29
L4-# Unused ......................................................................................................................... 2-29
L4-* Command Level Down ................................................................................................. 2-29
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www.til.ca
SECTION TITLE PAGE
2.6
Understanding Radio Operation ...................................................................................... 2-30
Basic Radio Operation ........................................................................................................ 2-30
Channels and Memories ..................................................................................................... 2-31
Memory Parameters ............................................................................................................ 2-31
Operating Modes ................................................................................................................. 2-31
Squelch Modes .................................................................................................................... 2-32
IDCall Operation .................................................................................................................. 2-33
Scan Operation ................................................................................................................... 2-33
Mixed Mode Operation ........................................................................................................ 2-34
SECTION 3 INSTALLATION INSTRUCTIONS
3.1
3.2
3.3
3.4
3.5
3.6
3.7
General ............................................................................................................................... 3-1
Equipment Packing Log ................................................................................................... 3-1
Transceiver Installation .................................................................................................... 3-1
Installation Kit – Contents ................................................................................................ 3-1
Antenna Installation .......................................................................................................... 3-1
Installation - Pin Locations and Connections ................................................................ 3-1
Wiring Instructions ........................................................................................................... 3-4
3-7.1 Main Power +28VDC ....................................................................................................... 3-4
3-7.2 Main Ground .................................................................................................................... 3-4
3-7.3 PTT (Ground Keying) ....................................................................................................... 3-4
3-7.4 Front Panel Back Lighting ................................................................................................ 3-4
3-7.5 Audio Outputs (600 ohms and 4 0hms) ........................................................................... 3-4
3-7.6 Audio Output Ground ....................................................................................................... 3-4
3-7.7 Mic Signal Input ................................................................................................................ 3-4
3-7.8 Memory Up/Memory Down .............................................................................................. 3-4
3-7.9 Data Input/Output ............................................................................................................. 3-4
3.8
Transmitter Side Tone Level Adjustment ....................................................................... 3-6
3.9
Main and Guard Noise Squelch Adjustment .................................................................. 3-6
3.10
Reference Layouts ............................................................................................................ 3-7
APPENDICES
APPENDIX A CTCSS TONES and DCS CODES ............................................................... A-1
APPENDIX B POST INSTALLATION EMI TEST INSTRUCTIONS .................................... B-1
PURPOSE ........................................................................................................................ B-1
TEST CONDITIONS ........................................................................................................ B-1
METHODOLOGY ............................................................................................................. B-1
RESULTS ........................................................................................................................ B-1
PROCEDURE .................................................................................................................. B-2
WARRANTY ........................................................................................................................
TDFM-136 Installation & Operating Instructions vii
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www.til.ca
LIST OF FIGURES
FIGURE TITLE PAGE
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
User Screen showing the Command Level Display Position ......................................................2-1
User Screen to Enter a Memory Number ....................................................................................2-5
User Screen to Edit the Operating Mode ....................................................................................2-5
User Screen during Scan ............................................................................................................2-6
Selecting a Memory/Channel that Doesn't Support Scan ...........................................................2-6
User Screen to Edit the Frequency .............................................................................................2-7
User Screen to Edit the Squelch Mode .......................................................................................2-8
User Screen to Edit the Squelch Value .......................................................................................2-8
2-9 User Screen to Edit the CTCSS Tone Value ..............................................................................2-9
2-10 User Screen to Edit the DCS Code Value ...................................................................................2-9
2-11 User Screen to Edit the P25 TalkGroup Value ..........................................................................2-10
2-12 User Screen to Edit the P25 NAC Value ...................................................................................2-10
2-13 User Screen to Edit the P25 ID Call Value ................................................................................2-11
2-14 User Screen to Enter a Scan List or Enable/Disable Scan .......................................................2-14
2-15 User Screen Showing Scan Disabled for this Memory .............................................................2-14
2-16 User Screen to Edit the Text Description ..................................................................................2-14
2-17 User Screen to Enter a Primary Memory for the Shadow Channel ...........................................2-15
2-18 User Screen to Enter a Shadow Channel Memory Number .....................................................2-16
2-19 User Screen to Edit the Shadow Channel Parameters (Text) ...................................................2-16
2-20 User Screen to Select Main Channel Boot Mode ......................................................................2-18
2-21 User Screen to Select the Numeric Edit Mode ..........................................................................2-18
2-22 User Screen Showing the Code Release Information ...............................................................2-19
2-23 User Screen to Select the Scan Revert Mode ..........................................................................2-19
2-24 User Screen to Set the Scan Reply Timer Value ......................................................................2-20
2-25 User Screen to Set the Scan Monitor Timer Value ...................................................................2-20
2-26 User Screen to Set the Scan Delay Timer Value ......................................................................2-21
2-27 User Screen to Set the PTT Timer Value .................................................................................2-21
2-28 User Screen to Set the Sidetone Audio Level ...........................................................................2-22
2-29 User Screen to Upload/Download Memory Data to the PC ......................................................2-22
2-30 User Screen to Display the Receive Squelch Parameter Values ..............................................2-23
2-31 User Screen to Display the Transmit Squelch Parameter Values .............................................2-23
2-32 The Screw positions to remove the Left-hand Side Panel ........................................................2-24
2-33 The Shunt Position to Enable Level 4 Access ...........................................................................2-24
2-34 User Screen to Edit the Level 1 Permissions ............................................................................2-26
2-35 User Screen to Edit the Level 2 Permissions ............................................................................2-26
2-36 User Screen to Edit the Level 3 Permissions ............................................................................2-26
2-37 The Screen to Set Available Squelch Modes for Analog Receive .............................................2-28
2-38 The Screen to Restrict Editing of the Squelch Mode Value ......................................................2-29
2-39 The Screen to Restrict Available CTCSS Tones .......................................................................2-29
2-40 The Screen to Restrict Available DCS Codes ...........................................................................2-29
2-41 The TDFM-136 Front Panel Layout ...........................................................................................2-30
2-42 Identifying Graphic for Primary Channel with Shadows ............................................................2-35
2-43 Identifying Graphic for Shadow Channel ...................................................................................2-35
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www.til.ca
FIGURE TITLE PAGE
3-1
3-2
3-3
3-4
3-5
Transceiver Mounted View of the 15-Pin Connector ...................................................................3-1
Outline Drawing for TDFM-136 Transceiver ...............................................................................3-3
Wiring Connections for TDFM-136 Transceiver .........................................................................3-5
Control Points for TDFM-136 Main RF Board .............................................................................3-7
Control points for the TDFM-136 MCU Board .............................................................................3-8
LIST OF TABLES
2-6
2-7
2-8
2-9
3-1
2
2-1
2-2
2-3
2-4
2-5
TABLE
1-1
1-2
1-3
1-4
1-5
TITLE PAGE
TDFM-136 – General Characteristics .........................................................................................1-2
TDFM-136 – Operational Characteristics ....................................................................................1-3
TDFM-136 – Receiver Characteristics – Main and Guard ..........................................................1-3
TDFM-136 – Transmitter Characteristics ....................................................................................1-4
TDFM-136 – Environmental Testing Summary ...........................................................................1-4
Command Levels ........................................................................................................................2-1
Command Level Reference ........................................................................................................2-3
Abbreviations and Symbols Used ...............................................................................................2-4
Channel Operating Modes ..........................................................................................................2-5
Receive and Transmit Squelch Modes .......................................................................................2-8
Extra Characters for Text Edit ...................................................................................................2-15
Channel Template Factory Defaults ..........................................................................................2-25
Permission Applicability with respect to Command Levels .......................................................2-27
Squelch Modes that can be Restricted .....................................................................................2-28
Receive and Transmit Squelch Modes .....................................................................................2-32
TDFM-136 - Rear Connector Pin Assignments ..........................................................................3-2
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SECTION 1 - GENERAL DESCRIPTION
1.1 INTRODUCTION
This publication provides operating and installation information for the TDFM-136 Digital
Transceiver manufactured by Technisonic Industries Limited. The TDFM-136 is Project 25 (P25),
Phase 1 compliant. The unit offers digital or conventional analog FM communications over an extended frequency range with selectable channel spacing and is intended for use (in the U.S.) only by government agencies or contractors thereto, who have obtained licensing for operation in the 136-150 MHz portion of the band. If the TDFM-136 transceiver is used in CANADA, operation is restricted to the following sub bands: 138-144, 148-148.99, 149.005-150.005, and 150.05-174
MHz. Furthermore, the frequency agile transceiver is restricted to airborne use and must not be operated as a base station in Canada.
1.2 DESCRIPTION
The TDFM-136 Transceiver is a frequency agile, fully synthesized airborne transceiver capable of operating in the 136.000 MHz to 174.000 MHz frequency range in 2.5 kHz increments with either
25 kHz analog, 12.5 kHz analog channel spacing, and P25 12.5 kHz digital modulation on a channel by channel basis. The Transceiver can operate without restriction on any split frequency pair in the band and also incorporates a two channel synthesized guard receiver.
The TDFM-136 Transceiver provides 230 operator accessible memory positions. Each of which is capable of storing Scan List membership information, up to eight (8) character alphanumeric identifiers, and Operating Mode information. In addition each memory position contains information for both transmit and receive including: frequency, CTCSS tone, DCS (DPL) code,
P25 TalkGroup, and P25 Network Access Code (NAC) information.
Channel operating parameters, including frequency and other related data, are presented on a
48-character, two-line LED matrix display. Data entry and function control takes place via a 12button keypad.
1.3 PURPOSE OF EQUIPMENT
The TDFM-136 Digital VHF/FM Transceiver is designed to provide secondary airborne communications to facilitate operations that are typically performed in a low altitude environment.
The transmitter section of this unit has a minimum of 8 watts and does not exceed 10 watts output power (which may be reduced by a front panel switch to 1 watt in order to reduce interference to land based systems).
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1.4 MODEL VARIATION
There are four variations of the Model TFM-403 Transceiver. All units offer identical features and performance except for the following differences:
TDFM-136, P/N 981087-1 GREEN display and 28V back lighting.
TDFM-136, P/N 981087-1 (5V) GREEN display and 5V back lighting.
TDFM-136, P/N 981087-2 RED display and 28V back lighting.
TDFM-136, P/N 981087-2 (5V) RED display and 5V back lighting.
Both P/N's 981087-1 and 981087-2 are always provided with 28 Volt back lighting unless a specific request is made for 5 Volt AC operation.
1.5 TECHNICAL CHARACTERISTICS
The tables below provide the technical characteristics for the Technisonic Industries Ltd. Model
TDFM-136.
Audio Output Power:
Headset
Speaker Output
Back Lighting
Display Colour
Temperature Range:
Operating
Storage
Altitude
TABLE 1-1 TDFM-136 – General Characteristics
Characteristic Specification
Dimensions (including heat sink)
Weight
Mounting
Power Requirement:
Voltage
Current
Approx. 8.0" X 3.0" X 5.75"
Approx. 3.5 Lbs (1.6 Kg)
Panel Mount via DZUS fasteners
28.0 VDC, ±15%
Receive - 0.7 A Max.
Transmit Low Power (1W) - 1.3 A Max.
Transmit High Power (8-10W) - 2.0 A Max.
0.5 Watts into 600 ohms
2.5 Watts min. into 4 ohms
28 Volts (standard)
5 Volts (specify)
Green (standard)
Red (specify)
NVG (optional)
-45 ° C to +70 ° C
-55 ° C to +85 ° C
50,000 feet
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TECHNISONIC INDUSTRIES LIMITED
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TABLE 1-2 TDFM-136 – Operational Characteristics
Characteristic
Frequency Range:
Operating Modes:
Channel Spacing:
Programmable Memories:
Scan Lists
Description
Operating Modes
Frequency
Squelch Modes
Guard Receiver:
Description
Operating Modes
Frequency
Squelch Modes
Specification
136.000 to 174.000 MHz
Conventional analog: 12.5 / 25 kHz.
P25 CAI: 12 KBPS FSK, 9.6 KBPS C4FM
25 kHz. or 12.5 kHz
230 memories
15 scan lists
Up to 8 characters, alpha-numeric
Analog Wide, Analog Narrow, P25 Digital
Rx/Tx (Simplex/Duplex), 136.0000 – 174.0000
Rx/Tx (Simplex/Duplex), CTCSS Tones, DCS Codes,
P25 TalkGroup, P25 NAC
2 channels programmed with:
Up to 8 characters, alpha-numeric
Analog Wide, Analog Narrow, Digital
Rx/Tx (Simplex/Duplex), 136.0000 – 174.0000
MHz.
Rx/Tx (Simplex/Duplex), CTCSS Tones, DCS Codes,
P25 TalkGroup, P25 NAC
CTCSS Tones
DCS Codes
P25 TalkGroup
42 CTCSS tones, including all standard tones.
All standard DCS (DPL
1
) codes
$0000 to $FFFF ( 0 to 65535 )
P25 Network Access Code (NAC) $000 to $FFF ( 0 to 4095 )
DPL
1
is a trademark of Motorola Corporation
TABLE 1-3 TDFM-136 – Receiver Characteristics – Main and Guard
Characteristic Specification
Sensitivity at 12 dB SINAD
Adjacent Channel Selectivity
Spurious Attenuation
Third Order Intermodulation
Image Attenuation
FM Acceptance
Hum and Noise
Audio Distortion
Antenna Conducted Emission
-116dBm
-60dB (25 or 12.5 kHz)
-70 dB
-70 dB
-80 dB
± 6 kHz
Better than 45dB
Less than 5%
Less than -57dBm
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TABLE 1-4 TDFM-136 – Transmitter Characteristics
Characteristic Specification
RF Output Power:
Low
High
Output Impedance
Maximum Deviation:
Wide (25 kHz)
Narrow (12.5 kHz)
Maximum Deviation – Narrow
Spurious Attenuation
Frequency Stability
Microphone Circuit
Sidetone Output
Harmonic Attenuation
FM Hum And Noise
Audio Input
Audio Distortion
100mW to 1W (internal adjustment).
10 watts.
50 ohms
± 5 kHz
± 2.5 kHz
± 2.5 kHz (12.5 kHz mode)
-90 dB below carrier level
± 2.5 ppm
Carbon or equivalent
0.5W (max) into 600 ohms
-65 dB below carrier level
-40 dB
50 mV at 2.5 into 200 Ω input circuit for ± 3.5 deviation, adjust.
Less than 5%
1.6 CERTIFICATION SUMMARY
The following table gives a summary of DO-160D Environmental Testing for Technisonic Model
TDFM-136, VHF Digital Transceiver.
TABLE 1-5 TDFM-136 – Environmental Testing Summary
Conditions
Temperature and Altitude
Temperature Variation
Humidity
Operational Shock and Crash Safety
Vibration
Magnetic Effect
Power Input
Voltage Spike
Audio Frequency Susceptibility
Induced Signal Susceptibility
Radio Frequency Susceptibility
RF Emission (DO-160D)
RF Emission (DO-160C)
Electrostatic Discharge
Section Description of Conducted Tests
4.0
5.0
Equipment tested to categories B2 and D1.
Category B.
6.0 Category A.
7.0
8.0
Category A.
Equipment is tested without shock mounts to categories S and U.
15.0 Equipment is class A.
16.0 Category B.
17.0 Category B.
18.0 Category B.
19.0 Category A.
20.0 Category U.
21.0
Category B.
Category Z.
25.0 Category A.
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SECTION 2 – OPERATING INSTRUCTIONS
This section provides the user with a reference of the keypad accessible programming features of the
Technisonic TDFM-136 VHF/FM Digital Transceiver.
This section is divided into subsections as follows:
2.1 Command structure overview and terms
2.2, 2.3, 2.4 and 2.5 Detailed command descriptions by level
2.6 Detailed operating description
2.1 COMMAND METHODOLOGY
This section describes how the TDFM-136 command structure is organized.
Command Levels
In order to accommodate the necessary commands, the commands have been divided into different levels. Each command level has up to 12 commands numbered 0-9, #, and *. The zero
(0) and the ESC (*) key are functions for every level; they allow the user to move between levels as follows:
Step up through command levels.
Step down through command levels.
When stepping through command levels, the indicated level is shown in subscript in the 4th character position on the lower line of the display. Note that this display position is left blank for the default level (level1). Table 2-1 shows the command levels and the associated display character.
TABLE 2 Command Levels
COMMAND LEVEL DISPLAY
Command/Operator L1 Blank
Command/Operator L2
Command/Operator L3
Command/Maintenance L4
2
3
4
Figure 2-1 below shows the front panel display for different Command levels.
0 0 1 M a i n D 1 3 4 . 0 0 0 0 R g
G D 2
3
G u a r d 2 w 1 7 4 0 0 0 0 R t
FIGURE 2-1 User Screen showing the Command Level Display Position
In addition to the 3-operator available command levels, the unit can be put into a mode that allows access for Maintenance. This 4 th
command level (L4) allows authorized personnel to set operating policy for the radio through the use of 'Permissions'. These are explained in section 2-8.
This command level should NEVER be enabled in flight.
In order to restrict access to the Command/Maintenance Level 4, the side cover must be removed, and a maintenance jumper must be installed on the MCU board (see Figure 2-33).
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Command Types
There are two basic command types: Inherent and Edit. An Inherent command is one that requires no additional input from the user, such as the ‘memory brightness’ or ‘scroll memory’ commands. An Edit command requires further input from the user.
Command Scope
The Main or the Guard Channel can be affected by most, but not all, edit commands. The channel to be edited depends on the position of the MN/GD and the G1/G2 front panel switches.
In this manual, the scope of the command is given on the command title line as follows:
(MN/GD) For a command that is valid in both Main and Guard
(MN)
Blank
For a command that is valid for Main only
For a command that is not subject to channel restrictions
Command Conventions
After selecting the command, the system expects further input from the user. All edit commands may be terminated in the same way:
Accept the entry and return
Abandon the entry and exit
The commands that allow the user to choose an option from a list will always use the up/down arrows (key 2 and key 8 to step UP and DOWN respectively through the available choices). In addition, the key that was used to enter the function can be used to step UP through the available choices.
Example: The L1-3 Mode command allows the user to select the radio's operating mode
(analog wide, analog narrow, or P25 digital). Once the user has selected the command, they can press to step up, or to step down through the choices. The advantage of the 'entry key' step method is that the user does not have to move their finger to a different key to make the choice once the command has been selected.
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•
The channel to be edited depends on the position of the MN/GD and the G1/G2 front panel switches. Table 2-1 below shows the commands divided into command levels: one, two, three, and four.
•
Radio’s default Command/Operator Level 1 is the only command level not displayed in the 4 th
character position on the lower row of the display.
•
To step through the Command Level, press the key (refer to Table 2-1). The radio defaults back to the command level 1 in approximately 5 seconds.
FOR ABBREVIATION AND SYMBOL CHART see Table 2-
2
Key
1 CHAN
TABLE 2-1 Command Level Reference
Command/
Operator Level
1
Command/
Operator Level 2
Command/
Operator Level 3
Select Main Memory Program New Memory Select Boot Memory
1
Command/
Maintenance
Level 4
Set Default Record
2 up Display – Brighter
3 MODE Edit Mode
4 back
5 SCAN
Scroll Memory Down
Scan ON/OFF
Copy Guard to Main
Lock Keypad n/u
Edit Scan n/u
Display Software rev
Set Scan Parameters n/u
Select HEX/Decimal Edit Set Cmd Permissions n/u n/u
6 fwd
7 FREQ
8 down
9 SQL
# ENTER
Scroll Memory Up
Edit Frequency
Display – Dimmer
Edit Squelch
0 PROG Go to next level n/u
Edit Description
Create Shadow
Channel
Copy Main to Guard
Set Unit ID
Go to next level n/u
Set PTT timer
Set Side tone Audio
PC Communications
Display Squelch Values
Go to next level n/u n/u n/u n/u
Set SQL Permissions n/u n/u
* ESC n/u Go to Previous level Go to Previous level Go to Previous level
1
Command/Maintenance Level 4 allows qualified personnel to configure Access Permissions for the TDFM-136 radio.
1
NEVER FLY having the radio with Level 4 commands enabled. This Level 4 is for maintaining the radio only, the radio may not respond in real time, or as expected when the Maintenance
(Level 4) is enabled!
NOTE: n/u indicates command keys that are not currently implemented.
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Abbreviation
& Symbols
MN/GD
MN
Blank
#
* w n
D
$
•
•
X
R
x
, T
x
R
R
R
t c g
, T
, T
T
R
R
m n
, T
T
T
i
t c g
TABLE 2-2 ABBREVIATIONS AND SYMBOLS USED
Section /
Paragraph
2-1
DESCRIPTION
2-1
2-1
2-2
2-2
L1-3
L1-3
Command that is valid in both Main and Guard
Command that is valid for Main only
Command that is not subject to channel restrictions
A ccept the entry and return
Abandon the entry and exit
Channel Operating mode Analog Wide (25 kHz)
L1-3
L1-5, L2-3
Channel Operating mode Analog Narrow (12.5 kHz)
Channel Operating mode Digital (12.5 kHz)
The lock symbol indicates that all keypad keys are disabled.
L1-9.1, L3-3 ($) symbol is used when indicating a Hexadecimal number, 0-16 ($0-$F).
2-26
Shows a command that has a distinct permission.
2-26
2-26
Shows a command that is available in Guard, but permission is controlled by
Main.
Shows a command that is NOT available for the channel.
L1-9, L2-9, L3-
9, L4-9
Analog squelch mode '
x
' is the default squelch mode (noise squelch).
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
Analog squelch mode '
t
' indicates that both receive and transmit use CTCSS tone selective squelch. The tones may be the same or different for receive or transmit.
Analog squelch mode '
c
' indicates that both receive and transmit use DCS
(digitally coded squelch) code selective squelch. The codes may be the same or different for receive or transmit.
Analog squelch mode '
-
' is valid for transmit only and indicates that transmit is disabled for this memory.
Digital squelch mode '
m
' is valid for receive only and indicates that any nonencrypted P25 compliant digital signal, regardless of NAC or TalkGroup setting, will be received.
Digital squelch mode '
n
' is valid for receive only and indicates that any nonencrypted P25 compliant digital signal, having the correct NAC, will be received.
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
L1-9, L2-9, L3-
9, L4-9
Digital squelch mode '
g
' is valid for receive and transmit only. For receive, it indicates that any non-encrypted P25 compliant digital signal, having the correct NAC, and the correct TalkGroup will be received. For transmit, it indicates that the specified NAC and TalkGroup codes will be transmitted.
Digital squelch mode '
i
' is valid for transmit only and indicates that the transmitted signal will carry the ID of a specific radio. Only a radio with that ID programmed as its UNIT ID should be able to receive that signal.
Digital squelch mode '
-
' is valid for transmit only and indicates that transmit is disabled for this memory.
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2.2 COMMAND/OPERATOR LEVEL 1
This section lists the commands available to the user in Level 1. The availability of the commands is subject to the restrictions set by the Permissions policy (see section 2.5, L4-3). Default level – no display is shown
L1-1 Select the Operating Memory for the Main Channel (MN)
This command allows the user to select the MAIN channel that the radio is operating on. Upon selecting this command, the cursor will appear at the first digit in the channel number as shown:
0 0 0
E n t e r N u m b e r ( 0 - 9 , # * )
FIGURE 2-2 User Screen to Enter a Memory Number
Now, select a number from 001 to 230 as follows: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
Note: If the channel number selected is out of range, then the cursor will remain until the user enters a valid number. If there is no information programmed for the channel, the editor will return to the previously displayed channel.
L1-2 Increase Display
Brightness
Press and hold the up arrow (2) key to increase the brightness of the LED display. It stops at maximum.
L1-3 Edit / Select Channel Operating Mode
(MN/GD)
This command will edit the Operating Mode of the selected channel. Upon selecting this command the cursor will appear at the MODE position. Table 2-3 showing the available
Operating Modes.
TABLE 2-3 Channel Operating Modes
INDICATOR
‘w’
‘n’
‘D’
OPERATING MODE
Analog Wide (25 kHz)
Analog Narrow (12.5 kHz)
Digital (12.5 kHz)
Note: If an Operating Mode is selected that is incompatible with the current Squelch Mode, then the Squelch mode will automatically be changed to one that is acceptable for that
Operating Mode (e.g. ‘x' for analog, 'm' for
Digital Rx, and 'g' for Digital Tx).
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R g
E d i t M o d e (
↑ ↓
3 , # * )
FIGURE 2-3 User Screen Edit / Select Mode with Indicator in Digital Mode
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You may now edit the Operating Mode as follows:
Step through the available entries
Accept the entry and return
Abandon the entry and exit
L1-4 Scroll Backwards through Available Memories
This command will scroll the Main Channel BACK, or down, through the programmed memories until reaching the lowest memory programmed. It will then wrap around and restart from the top.
Once the user releases the button, the displayed characteristics will be programmed. The scroll speed will increase as the button is held.
L1-5 Start/Stop Scan (MN)
This command allows the user to start and stop Scan operation. The system will scan the channels that are in the same scan list that the currently displayed Main channel is a member of.
Note that the channels in the scan list must have scan enabled (see command L2-5) to be scanned. If the memory scan has been enabled, then the following screen appears:
0 0 1
1
M a i n D 1 3 6 . 0 0 0 0 R g
G D 1 G u a r d 1 n 1 5 4 . 0 0 0 0 R t
FIGURE 2-4 User Screen during Scan
Once scan has started, the scan list digit flashes to indicate that the unit is in SCAN mode. Also, note that the key level indicator position has the lock symbol indicating that all keypad keys are disabled except for:
Stop scan
Display brightness
Front panel switch operation is modified as well.
Operation of MN/GD or G1/G2 will terminate scan and restore normal operation of keys and switches. The front panel Squelch button is disabled. The HI/LO power switch is unaffected.
If the user tries to start scan on a channel or memory that doesn't support scan, you will see:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R g
E r r o r : N O N - S c a n n e d C h a n
FIGURE 2-5 Selecting a Memory/Channel that Doesn't Support Scan
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L1-6 Scroll Forward through Available Memories (MN)
This command will scroll FORWARD, or up, through the programmed channels. Scroll speed will increase as the button is held and the scroll will wrap around and restart from the bottom. Once the user releases the button the displayed characteristics will be programmed.
L1-7 Edit Channel Operating Frequency (MN/GD)
This command allows the user to edit the Operating Frequency of the selected channel. The frequency will be edited in duplex mode: first Receive, then Transmit. Once the receive parameter is entered, the 2nd last character in the display will switch from “R” to “T”; the user can now enter the transmit value. Note that the receive value is automatically entered, so to get simplex operation, simply accept this entry. The edit screen appears as follows:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R g
E d i t
F r e q u e n c y ( 0 - 9 , # * )
FIGURE 2-6 User Screen to Edit the Frequency
Upon start, the cursor appears at the second character in the Frequency field of the channel to be edited. The user may now enter the desired operating frequency as follows: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
The editor will not accept a value outside the limits of 136.0000 MHz. to 174.0000 MHz. In addition, frequency selection is limited to 2.5 kHz increments in all Operating modes.
L1-8 Decrease Display Brightness
Press and hold the down arrow (8) key to decrease the brightness of the LED display; it stops at minimum.
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L1-9 Edit Channel Squelch Mode (MN/GD)
This command will edit the Squelch Mode of the selected channel and then allow the user to edit the associated Squelch Mode Value. As with the Frequency Edit function above, the Squelch Edit is in duplex mode, Receive followed by Transmit. The edit screen appears as follows:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R g
E d i t
S q l M o d e (
↑ ↓
9 , # * )
FIGURE 2-7 User Screen to Edit the Squelch Mode
Upon start, the cursor appears at the Squelch Mode indicator position of the channel to be edited.
The user may now select the desired Squelch mode from the list, as follows:
Step up through available Squelch modes (see table below)
Step down through available Squelch modes
Accept the entry and return
Abandon the entry and exit
The available options are constrained by the operating mode: that is, different Squelch Modes are available for the analog Operating Modes (wide and narrow) than for the P25 operating mode.
See the table below.
TABLE 2-4 Receive and Transmit Squelch Modes
Analog Rx
Rx Noise
Rt CTCSS Tones
Rc DCS Code
Tx
Tt
Tc
T-
Analog Tx
Noise
CTCSS Tones
DCS Code
Inhibit
Digital Rx Digital Tx
Rg TalkGroup + NAC Tg TalkGroup + NAC
Rn NAC Only
Rm Monitor
Ti ID Call
T- Inhibit
Once the Squelch Mode has been selected, the user will be allowed to edit the value of the selected mode (subject to restrictions imposed by the Squelch Permissions – see L4-3). The
Squelch Modes that may be edited are: Noise, CTCSS Tones, and DCS Codes for analog operating modes, and TalkGroup, NAC, and ID Call for digital operating mode.
L1-9.1 Edit Noise Squelch Value
Scope: analog only, receive only, range 0-16 ($0-$F)
If Noise (Rx) is chosen, the prompt line will display the current value for noise squelch level and place the cursor on the first digit available for the user to edit:
0 0 5 T e s t n 1 5 6 . 0 0 0 0 R x
N o i s e L e v e l : 1 0
FIGURE 2-8 User Screen to Edit the Squelch Value
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The user may edit the Noise Squelch value as follows: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
L1-9.2 Select CTCSS Tone
Scope: Analog only, receive & transmit, 42 tones (67Hz to 254.8Hz)
If CTCSS Tones are chosen, the prompt line will display the current value for that tone:
0 0 5 T e s t n 1 5 6 . 0 0 0 0 R t
C T C S S T o n e (
↑ ↓
, # * ) : 6 7 . 0
FIGURE 2-9 User Screen to Edit the CTCSS Tone Value
The user may select from the available tones (Appendix A lists the available choices), as follows:
Step up/down through available CTCSS Tones
Accept the entry and return
Abandon the entry and exit
L1-9.3 Select DCS Code
Scope: analog only, receive only, 83 codes (23 to 754)
If DCS Codes are chosen, the prompt line will display the current value for that code:
0 0 5 T e s t n 1 5 6 . 0 0 0 0 R c
D C S C o d e (
↑ ↓
, # * ) : 2 3
FIGURE 2-10 User Screen to Edit the DCS Code Value
The user may select from the available choices (Appendix A lists the available choices), as follows:
Step up/down through available DCS Tones
Accept the entry and return
Abandon the entry and exit
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L1-9.4 Edit Project 25 Talkgroup Value
Scope: Digital only, receive and transmit, range 0-65535 ($0000-$FFFF)
If the P25 TalkGroup was chosen, then the prompt line will display the current
TalkGroup value. The cursor will be on the first digit:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R g
P 2 5 T a l k G r o u p : 0 0 0 1
FIGURE 2-11 User Screen to Edit the P25 TalkGroup Value
This parameter may be edited in either HEX or in Decimal (see command L3-3). The edit keys are as follows:
Hex edit: step up/down through hex digits (0-9, A-F)
Hex edit: move cursor forward / backward to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
Note:
If P25 Talkgroup was chosen, the editor will drop into Edit NAC upon accepting the
Talkgroup value.
L1-9.5 Edit Project 25 NAC Value
Scope: Digital only, receive and transmit, range 0-4095 ($000-$FFF)
If the P25 NAC was chosen (or after entering the P25 TalkGroup), the prompt line will display the current NAC value with the cursor on the first digit:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R n
P 2 5 N A C : 0 0 1
FIGURE 2-12 User Screen to Edit the P25 NAC Value
This parameter may be edited in either HEX or in Decimal (see command L3-3). The edit keys are as follows:
Hex edit: step up/down through hex digits (0-9, A-F)
Hex edit: move cursor forward / backward to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
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L1-9.6 Edit Project 25 ID Call Value
Scope: Digital only, transmit only, range 0-9,999,999
If the P25 ID Call was chosen, the prompt line will display the current ID Call value. This parameter may only be edited in decimal, as follows:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 T i
P 2 5 C a l l U n i t # : 0 0 0 0 0 0 1
FIGURE 2-13 User Screen to Edit the P25 ID Call Value
This transmit-only mode allows the user to try to contact a specific radio by transmitting that radio's user ID. If no radio has that ID, then this will fail.
The keys used to edit the ID call parameter are: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
L1-0 Command Level Up
This key selects the next HIGHER Command Level. The Command Level is indicated by a subscript digit in the 4th character position on the lower row of the display. See table 2-1.
Upon pressing this key, the radio will remain in the new Command Level for 5 seconds. If there is no further user input within this time, then the radio will revert to Level 1. The Direct Command
Level (level 1) is the normal operating mode for the radio and is indicated by a blank space.
L1-# Not Used
L1-* Not Used
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2.3 COMMAND/OPERATOR LEVEL 2
Access the Command/Operator Level 2 by pressing the 'PROG' key from the
Command/Operator Level 1 once. The Command Level is indicated in the 4 th
character position on the lower row of the display indicating a subscript '2'.
The Command/Operator Level 2 maps the keys to provide a new set of functions for the operator as shown below.
Note: The system is time limited in command levels above level 1. The system will automatically return to level 1 if a command has not been selected in five (5) seconds!
L2-1 Create/Edit All Channel Information (MN/GD restricted)
This command allows the user to create a new memory position (for Main channel only) or to edit all the parameters of an existing memory position (Main or Guard channels). The editor steps through the channel parameters in sequence from left to right across the screen. The edit functions here match those used to edit an individual parameter; in this case, however, selecting the ENTER key accepts the data and proceeds to the next step rather than returning. Only after the last step does selecting enter save the data and exit. The ESC key will abandon the entire edit session without changing an existing channel or creating a new one.
Accept the entry and return
Abandon the entry and exit
L2-1.1 Entering a Memory Number (refer to L1-1 for details)
When the Create/Edit All command is selected, the first step is to enter the number of the memory position that you wish to Create or Edit. Note that if the Radio is on a Guard channel, then the editor starts at the “Edit Text” prompt (step 3 below) as the memory number and scan cannot be edited for Guard channels. The valid range is (001 to 230).
Once a number has been entered, the system checks to see if the memory location has already been programmed; if so, then the existing data will be loaded. If the location has NOT been previously programmed, then the default template data will be loaded. In each case, the user can edit the channel parameters in the same way as shown in the following steps.
L2-1.2 Enter a Scan List & Enabling/Disabling Scan (refer to L2-5 for details)
The cursor will move to the third (3rd) position on the top line. The default scan list is shown in subscript. If there is a bar over top of the character, this indicates that scan is disabled for this memory. If there is no bar, scan has been enabled. The 'PROG' key (key 0) toggles the scan enabled/disabled state.
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L2-1.3 Enter a Text Description (refer to L2-6 for details)
After SCAN, the cursor moves to the first position in the eight (8) character text description field; the user may now edit the existing test as desired. The editor allows you to select all upper and lower (A-Z, a-z) case alphabetic characters, the numbers from zero to nine (0-9), and a selection of extra characters including the space.
L2-1.4 Enter an Operating Mode (refer to L1-3 for details)
After TEXT, the cursor is positioned on the one (1) character Operating Mode field. This single character represents the operation of the radio, analog wide, analog narrow, or digital.
L2-1.5 Enter a Frequency (refer to L1-7 for details)
The frequency parameter is a seven (7) digit decimal parameter, though the first digit is always one so the user cannot edit that digit. The frequency parameter may be edited to any number between 136.0000 and 174.0000 in 2.5 kHz steps (e.g. 150.0025 is valid, 150.0046 is not).
This is a duplex parameter: that is, the user has a chance to edit both the receive value followed by the transmit value. Once the receive value has been accepted, pressing 'ENTER' again will accept the same value for transmit.
L2-1.6 Enter the Squelch Parameters (refer to L1-9 for details)
When the Create/Edit All command is selected, the first step is to enter the number of the memory position below since the memory number and scan cannot be edited for Guard channels.
Once the user is finished and selects ‘ENTER’ then the newly edited channel parameters are selected and displayed for the appropriate channel. This may take a moment as the information is programmed into the appropriate RF module at this time as well.
L2-2 Copy Guard to Main
Copy current Channel Parameters from Guard to Main (e.g. + ). Be sure you wish to do this, for it cannot be copied back from Main to Guard. This command is disabled from the factory as a safety precaution (L4-3 Command Permissions).
L2-3 Lock Keypad
This command locks the keypad to prevent accidental change to parameters of the radio unbeknownst to the operator. This will disable all keyboard functions (except keyboard unlock and display luminance). To unlock the keyboard, press and hold the 'ESC' key for three seconds.
Lock the keypad and display 'locked' until key release
Unlock the keypad (after 3 seconds) and display 'unlocked' until key release
L2-4 Not Used
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L2-5 Edit Scan List & Enable/Disable Scan (MN)
This command allows the user to select which of the SCAN LISTs (if any) that the selected channel is included in. The memory must be a member of one of the fifteen (15) scan lists that are supported. In addition, it allows the user to select whether or not the scan is enabled for the current memory.
The cursor will move to the fourth (4th) position on the top line; the default scan list is shown in subscript. If a bar is over the top of the character, this indicates that scan is disabled for this memory. If there is no bar, then scan has been enabled.
0 1 5
-
1
D e s c w 1 4 1 . 0 0 0 0 R x
E d i t Z o n e / S c a n (
↑ ↓
0 , # * )
FIGURE 2-14 User Screen to Enter a Scan List or Enable/Disable Scan
The user may select the scan zone for the memory as follows:
Step up through available scan lists
Step down through available scan lists
Toggle the scan enable / disabled (bar = disabled)
Accept the entry and return
Abandon the entry and exit
Note: If a scan list is full, it will NOT appear in the list; this includes the default list. If this happens, the unit will display the next higher available list. This will stop at list 15 and then loop back to list 1.
0 1 5
2
D e s c w 1 4 1 . 0 0 0 0 R x
G D 2 G u a r d 2 w 1 7 4 . 0 0 0 0 R t
FIGURE 2-15 User Screen Showing Scan Disabled for this Memory
L2-6 Edit Channel Text Description (MN/GD)
This command allows the user to edit the text description for the selected channel. There are four groups of characters that may be used: upper case (A-Z), lower case (a-z), numbers (0-9), and
16 extra characters (shown in table 2-6 below). The user can change character groups at any
time and as many times as desired during a description edit session.
0 0 6 D e s c w 1 4 1 . 0 0 0 0 R x
E d i t T e x t ( ↑ ↓ ← ← 0 , # * ) A Z
FIGURE 2-16 User Screen to Edit the Text Description
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The keys for the text editor operate as follows:
Step through available edit groups (A-Z, a-z, 0-9, +extra characters - see Table 2-6)
Scroll up/down through available characters
Move cursor forward / backward
Accept the entry and return
Abandon the entry and exit
Note that the up/down arrow keys are scroll enabled: that is, if you hold them you will scroll through the character set rather than having to press each time you want to advance.
TABLE 2-5 Extra Characters for Text Edit
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
! “
#
$ % & ‘ (
Note that the first character in the table is a blank space.
) * + , - . /
L2-7 Create Shadow Channel
This command allows the user to create a shadow channel; the steps are the same as for creating a regular channel, except that the user must pick a primary channel on which to base the shadow channel first, and some parameters are not valid for shadow channels so the user is not given the opportunity to enter or edit these.
NOTE: Shadow channels can only be created through the front panel as well as the TDP software. However, it can only be deleted through the delete function in the TDP software.
L2-7.1 Selecting a Primary Number to Base the Shadow On
Upon selecting the Create Shadow Channel command, the user is prompted to enter the primary channel upon which the shadow channel is based. The screen displays the current memory number as a default:
0 0 6 P r i m a r y C h a n n e l
E n t e r N u m b e r ( 0 - 9 , # * )
FIGURE 2-17 User Screen to Enter a Primary Memory for the Shadow Channel
Now, you must select an already existing channel from within the 001 to 230 limits as follows: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
Assume that the user entered a primary of '006'.
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L2-7.2 Selecting a Primary Number to Base the Shadow On
Next the user is prompted to enter the number for the shadow channel:
0 0 6 S h a d o w C h a n n e l
E n t e r N u m b e r ( 0 - 9 , # * )
FIGURE 2-18 User Screen to Enter a Shadow Channel Memory Number
Now, you must not select a number already in use: to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
Assume that the user entered '061' as the desired shadow channel number. The radio will now display the data from the chosen Primary channel:
0 6 1 C h a n 6 D 1 6 6 . 0 0 0 0 R g
E d i t T e x t ( ↑ ↓ ← → 3 , # * ) A Z
FIGURE 2-19 User Screen to Edit the Shadow Channel Parameters (Text)
The user may now edit those data fields that are valid for a shadow channel. These are:
•
Text Description
•
Operating Mode
•
Squelch Mode and associated value
The editor functions and keys are the same as for any of the independent editor operation. The difference, as with Create New / Program All (L2-1), is that the ENTER key will advance to the next editor until all valid fields have been entered, then the ENTER key accepts and exits.
Note that there are some parameters that cannot be edited:
•
Frequency is fixed to that of the Primary channel
•
Shadow channels cannot be scanned.
•
Shadow channels cannot use the Digital Squelch Mode IDcall (i).
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L2-8 Copy Main to Guard
Copy current Channel Parameters from Main to the selected Guard (e.g. + ). Be sure you wish to do this, for it cannot be copied back from Guard to Main. This command is disabled from the factory as a safety precaution (L4-3 Command Permissions).
L2-9 Edit Unit ID Value (MN/GD)
The Unit ID is a number from 0 to 9,999,999: that is, given to the RF module, this number should be unique within the operating group of radios. However, this is NOT a universally mandated number (e.g. the number is NOT assigned by any P25 umbrella group or even by the manufacturer); the user may edit this number as desired.
This command allows the user to Edit the Unit ID; note that the system has two (2) unit IDs: one for the Main and one for the Guard. The value is editable in decimal only. to decimal mode: enter number, cursor automatically advances
Accept the entry and return
Abandon the entry and exit
L2-0 Command Level Up
This key selects the next HIGHER Command Level. The Command Level is indicated by a subscript digit in the 4th character position on the lower row of the display (see Section 2.1 above).
L2-* Command Level Down
This key selects the next LOWER Command Level. The command Level is indicated by a subscript digit in the 4th character position on the lower row of the display (see Section 2.1 above).
L2-# Not Used
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2.4 COMMAND/OPERATOR LEVEL 3
The Command/Operator Level 3 commands are configuration commands that allow the operator to configure many of the default parameters of the radio. In addition, level 3 has the PC upload and download commands.
L3-1 Select Boot Channel
This command allows the user to select which method will be used to determine the memory that will be used for the Main Channel when the unit is turned on.
The available choices are: the last Selected channel or the last Programmed channel.
The default is: last Selected channel.
3 - 1 S e t B o o t M e m o r y
B o o t O n : L a s t S e l e c t e d
FIGURE 2-20 User Screen to Select Main Channel Boot Mode
The user may select the boot memory for the main channel as follows:
Toggle the boot mode
Accept the entry and return
Abandon the entry and exit
L3-2 Unused
L3-3 Select Hex/Decimal Edit Mode
This command allows the user to select whether to edit the TalkGroup and the NAC numbers as
Hexadecimal (Hex) or as Decimal numbers. The other parameters are edited in decimal only.
The default is: Hex Edit Mode (HEX is indicted by a preceding dollar sign: $)
3 - 3 S e t H e x / D e c i m a l E d i t
E d i t i n : H e x
FIGURE 2-21 User Screen to Select the Numeric Edit Mode
The user may select the TalkGroup and NAC Edit mode as follows:
Toggle the Hex/Decimal edit mode
Accept the entry and return
Abandon the entry and exit
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L3-4 Display Software Release and Version Information
This command allows the user to see the current software release and version number for both the Main code and the Boot loader code. This information is displayed on the bottom row as follows:
0 0 1 M a i n D 1 3 6 . 0 0 0 0 R n
M a i n C o d e 2 . 0 . 0
FIGURE 2-22 User Screen Showing the Code Release Information
The user may select which information is displayed as follows:
Toggle the Main/boot loader code version display
Exit
The number format is as follows: Release. Version. Revision
So the number: 2.0.0 reads as Release 2, Version 0, Revision 0
Release refers to the fundamental software architecture (i.e. big things)
Version refers to the feature set operating within this architecture
Revision refers to bug fixes and minor updates
L3-5 Edit Scan Parameters (MN)
This command allows the user to edit the parameters that govern the SCAN operation. There are
4 (four) parameters that may be configured: Revert Mode, Reply Timer, Monitor Timer, and Delay
Timer. As with the Create/Edit All command (L2-1), this command is sequential and allows the user to move between parameters using the enter key. At the last parameter, this key accepts all and exits.
L3-5.1 Setting the Revert Mode default: last contacted
The Revert Mode refers to whether the radio will, when keyed, transmit on the selected memory channel or on the last contacted memory channel. The radio will only respond on the last contacted channel for a time determined by the Delay timer setting. Once the Timer times out, the unit will then always transmit on the selected channel.
3 - 5 E d i t S c a n P a r a m e t e r s
R e v e r t M o d e : C o n n e c t e d
FIGURE 2-23 User Screen to Select the Scan Revert Mode
The user can select the REVERT mode as follows:
Toggle the revert mode
Advance to next screen
Abandon the entry and exit
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L3-5.2 Setting the Reply Timer Range: 0-20s, Default: 3 seconds
The next screen allows the user to set the scan Reply time. This is the time that the radio will monitor a channel on which RF was received after all activity on the channel has ended (Rx or
Tx). If there is further receive or transmit activity on the channel, the timer will reset and start again once the activity has ended. When the timer times-out, the unit will resume scan. If set to zero (0), the unit will resume scan immediately once channel activity ends.
3 - 5 E d i t S c a n P a r a m e t e r s
R e p l y T i m e r : 0 3
FIGURE 2-24 User Screen to Set the Scan Reply Timer Value
The user can set the Scan Reply Timer value as follows: to to decimal mode: enter number, cursor automatically advances
Advance to next screen
Abandon the entry and exit
L3-5.3 Setting the Monitor Timer Range: 1-90s, Default: 10 seconds
The next screen allows the user to set the scan Monitor time: this is the time that the radio will monitor a channel on which RF was received before resuming scanning. Once the timer expires, the unit will break and resume scan. If the value is set to zero (0), then the unit will monitor the signal as long as it is received. The edit screen is as follows:
3 - 5 E d i t S c a n P a r a m e t e r s
M o n i t o r T i m e r : 1 0
FIGURE 2-25 User Screen to Set the Scan Monitor Timer Value
The user can set the Scan Monitor Timer value as follows: to to decimal mode: enter number, cursor automatically advances
Advance to next screen
Abandon the entry and exit
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L3-5.4 Setting the Delay Timer Range: 0-15s, Default: 5 seconds
The Delay time is the time that the radio will remain monitoring a channel after receiving on that channel has ended. If the timer is set to zero (0), then the unit will resume scanning immediately after the receive activity ends. This is the timer that affects the Revert Mode 'Contacted'.
3 - 5 E d i t S c a n P a r a m e t e r s
D e l a y T i m e r : 0 5
FIGURE 2-26 User Screen to Set the Scan Delay Timer Value
The user can set the Scan Delay Timer value as follows: to to decimal mode: enter number, cursor automatically advances
Advance to next screen
Abandon the entry and exit
L3-6 Configure the PTT Timer
The PTT time will run whenever the user holds PTT. The PTT timer duration may be set using this command: scroll through the available selections: OFF, 30 seconds, 60 seconds, and 90 seconds.
3 - 6 S e t P T T T i m e r
T i m e r S e t : 9 0 s e c
FIGURE 2-27 User Screen to Set the PTT Timer Value
The user can set the PTT Timer value as follows: to Step up through available timer values
Step down through available
Advance to next screen
Abandon the entry and exit
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L3-7 Sidetone Audio Level Adjust
This command allows the user to adjust the level of side tone. The screen shows the currently selected level as shown:
3 - 7 S i d e t o n e A u d i o
A u d i o L e v e l :
FIGURE 2-28 User Screen to Set the Sidetone Audio Level
The user may edit the side tone audio level as a decimal number from 0 to 16 as follows: to to decimal mode: enter number, cursor automatically advances
Advance to next screen
Abandon the entry and exit
Default Level: 10
L3-8 PC Data Upload/Download
This command allows a user to exchange TDFM-136 channel memory files (records) between a
PC and the transceiver. The unit must be connected to a PC running Windows 95, 98, or NT 4.0 and the TiL TDP-136 Radio Communications Software package. To exchange record data, the
Transceiver must be in this mode and then the PC software controls communication. The transceiver will wait for 25 seconds to receive a valid record before timing out. The radio will indicate which memory is being transferred and when the transfer is complete.
C o m m u n i c a t i o n w i t h P C
R e a d y
FIGURE 2-29 User Screen to Upload/Download Memory Data to the PC
The transceiver may have to swap memory space during the download. If this happens, the activity will be displayed on the front panel and the download will be completed after a SWAP and
ERASE cycle is finished.
There is one user key function:
Abandon PC communications mode
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L3-9 Display Channel Squelch Parameters
Display the Squelch parameters for the channel. The data are displayed as follows:
R x : T o n e C o d e T a l k G N A C
A 1 6 7 . 0 2 3 $ 0 0 0 1 $ 2 9 3
FIGURE 2-30 User Screen to Display the Receive Squelch Parameter Values
When displaying the receive parameters, the noise squelch level appears beneath the “Rx” that starts the line. This space is blank in the transmit parameters display:
T x : T o n e C o d e T a l k G N A C
1 6 7 . 0 2 3 $ 0 0 0 1 $ 2 9 3
FIGURE 2-31 User Screen to Display the Transmit Squelch Parameter Values
The user can switch between displaying receive and transmit parameters as follows:
Toggle the squelch parameter display Rx/Tx
Exit the command
L3-0 Command Level Up
This key selects the next HIGHER Command Level. The Command Level is indicated by a subscript digit in the 4th character position on the lower row of the display (see section 2.1 above).
L3-* Command Level Down
This key selects the next LOWER Command Level. The Command Level is indicated by a subscript digit in the 4th character position on the lower row of the display (see section 2.1 above).
L3-# Unused
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2.5 COMMAND/MAINTENANCE LEVEL 4
The Command/Maintenance Level 4 is available to allow authorized personnel to set policy for the radio use by granting or restricting access to system commands and features.
This command level does not preserve the Normal Operating display characteristics, that is: the
Main and Guard displays are replaced by suitable command prompt information.
Accessing the Maintenance Commands
Access to the Level 4 commands is restricted to bench use only: in order to achieve this, the command level requires that a shunt be placed on a specific set of jumper pins on the MCU board of the radio. To do so, refer to Figures 2-32 and 2-33 and follow these steps:
1. Ensure that the power to the unit is OFF.
2. Remove the left hand side cover (10 Philips screws)
3. Locate the 6-pin jumper field (approximately half way between the front and rear of the radio).
4. Place a 0.1” shunt on the set of jumper pins closest to the front of the radio.
The user can now select level 4 (maintenance mode).
FIGURE 2-32 Screw positions to remove the Left-hand Side Panel
FIGURE 2-33 Shunt Position to Enable Level 4 Access
NOTE: Jumper access to this command level MUST BE DISABLED when the radio is used in flight. Maintenance mode commands are NOT required for flight operation.
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The commands available in this command level are:
L4-1 Set Default Record
This command allows the user to set up the default record that is used when a user selects
Create New / Edit All (command 2-1). This allows those responsible for setting policy to determine what parameters they wish to have as system defaults. Some of the parameters are subject to restrictions set out in L4-9.
NOTE: If these values are set first, and the restrictions are set after, it is possible for the user to end up using a parameter that you wish to restrict!
The Default Record editor works just like the Create New/ Edit All command (L2-1) except that it takes you through all the possible squelch combinations so that each selection can be edited.
From the factory, the default channel parameters are as follows:
TABLE 2-6. The Channel Template Factory Defaults
Parameter Value
Basic Parameters
Scan List
Text Description
Operating Mode
Rx Parameters
Rx Frequency
Rx Squelch Mode
Rx Squelch TalkGroup Value
Rx Squelch Tone Value
Rx Squelch Code Value
Rx NAC Value
Tx Parameters
Tx Frequency
Tx Squelch Mode
Tx Squelch TalkGroup Value
Tx Squelch Tone Value
Tx Squelch Code Value
Tx NAC Value
Tx ID Call Value
1
“Desc “ w
141.0000 x
$0001
67.0
23
$293
141.0000 x
$0001
67.0
23
$293
0000001
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L4-2 Unused
L4-3 Set Command Permissions
This command allows those responsible for setting policy to select which commands in the command set will be accessible in the Command/Operator Levels (levels 1, 2, and 3). All the commands in those three levels are affected EXCEPT: ‘PROG’ (0) and ‘ESC’ (*).
The factory default configuration has all the commands enabled, except L2-2 and L2-8. Figures 2-
34,2-35 and 2-36 are factory default positions.
The Set Permissions screen shows the level being affected (L1, L2, or L3), followed by the command number, and an optional 'g' indicating Guard channel operation for that command (if applicable). The character directly under each number (or associated 'g') indicates whether or not the command may be accessed. The character is a solid round dot if the command is to be accessible (enabled). The character is an empty dot or donut if the command is to be restricted
(disabled).
To access the command permissions.
The ‘Set Permissions’ for command level 1,2 and 3 screens appear below:
L 1 : 1 2 3 g 4 5 6 7 g 8 9 g
• • • • • • • • • • • •
FIGURE 2-34 User Screen to Edit the Level 1 Permissions
L 2 : 1 g 2 3 5 6 g 7 8 9 g
• • o • • • • • o • •
FIGURE 2-35 User Screen to Edit the Level 2 Permissions
L 3 : 1 2 3 4 5 6 7 8 9
• • • • • • • • •
FIGURE 2-36 User Screen to Edit the Level 3 Permissions
The user may edit these permissions as follows:
Toggle the permission (• =enabled, o= disabled)
Step up/down through command levels
Move cursor forward / backward through commands
Accept the entry and return
Abandon the entry and exit
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Note that the cursor will automatically jump to the next valid column and the cursor will wrap. The
‘g’ indicates a separate Guard option; for the commands that support this, the Main and Guard can be enabled / disabled separately. In addition, some of the commands are either channel agnostic or specific to the Main channel only and can thus be invoked for Main even when the radio front panel switches are in the Guard position.
For example, with the switches in the Guard position, the user can still scroll through the
Cmd
Num
1
2
3
4
5
6
7
8
9
Main memories using the and keys. These types of commands are available in the Guard mode, but the permissions are determined by the Main permission. The table below indicates all the available user commands and shows the permission mode as follows:
• Shows a command that has a distinct permission.
• Shows a command that is available in Guard, but permission is controlled by Main.
X Shows a command that is NOT available for the channel.
TABLE 2-7 Permission Applicability with respect to Command Levels
Level 1
Command
Select MN Memory
Brighter
Edit Op Mode
Scroll MN Memory Down
Scan
Scroll MN Memory Up
Edit Frequency
Dimmer
Edit Squelch
M G
Level 2
Command
• •
Create/Prog All
• •
Copy GD to Main
• •
Lock Keypad
• •
Not Used
• X
Edit Scan List
• •
Edit Text
• •
Create Shadow
• •
Copy Main to GD
• •
Edit Unit ID
M G
Level 3
Command M G
• •
Set Main Boot Memory
• •
• •
Upload to PC
• •
Set Hex/Decimal
• •
• •
• X
• X
Show Version
Edit Scan Params
• •
Set PTT Timer
• •
• •
• •
• • • X
Set Sidetone Level
• •
Download from PC
• •
Show Squelch
• •
• •
L4-4 Unused
L4-5 Unused
L4-6 Unused
L4-7 Unused
L4-8 Unused
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L4-9 Set Squelch Restrictions
This command allows those responsible for setting policy for radio use to control what access the user has to manipulate the Squelch modes. The restrictions are as follows:
•
Squelch mode select restrict – limit the user's access to certain squelch modes
•
Squelch mode edit restrict – chose which squelch modes the user may edit the values
•
Squelch mode value restrict – limit specific parameters for a particular squelch mode
To access the squelch restrictions.
These features are described in the sections below. Editor operates as follows:
Toggle the enabled/disabled state of the displayed parameter
Step up/down through the parameter for each screen
Move forward / backward through restriction screens
Accept the entry and return
Abandon the entry and exit
L4-9.1 Restricting the Squelch Modes Available to Select
You can restrict the Squelch Modes that the user can select for each of Analog Rx, Analog Tx,
Digital Rx, and Digital Tx operation. Note that not all Squelch Modes can be restricted. Table 2-8 below shows the available Squelch Mode for each Operating Mode and shows which can be restricted.
TABLE 2-8 Squelch Modes that can be Restricted
Analog Rx
Tone
Code
Analog Tx
Tone
Code
Inhibit
Digital Rx
NAC
Talkgroup
Digital Tx
IDcall
Inhibit
The screen shown below is an example of the screens that allow you to restrict which Squelch
Modes appear to the user when 'Edit Squelch' is selected (L1-9, or in L2-1, or L2-7).
S q u e l c h R e s t r i c t : S e l e c t
A n a l o g R x : T o n e •
FIGURE 2-37 Screen to Set Available Squelch Modes for Analog Receive
Here, the user can restrict the individual Squelch Modes that will appear to the user in the Analog
Squelch mode selector for receive. The same can be done for analog transmit.
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L4-9.2 Restricting the Squelch Modes Value Edit
This screen allows you to restrict which Squelch Modes can have their values edited by the user.
The access to selecting these modes is not affected here. Example, if Noise mode is disabled here, then the user can select Noise (for analog Rx operation), but cannot change the Noise
Squelch level.
The screen shown below allows you to restrict which Squelch Modes can be edited by the user; these modes can be selected, but the parameter value cannot be changed from the default.
S q u e l c h R e s t r i c t : E d i t
V a l u e E d i t : N o i s e •
FIGURE 2-38 Screen to Restrict Editing of the Squelch Mode Value
L4-9.3 Restricting the CTCSS Tone and DCS Code Values
The list of both CTCSS Tones and DCS Codes that are available to the user in the related
Squelch Mode Editor can be restricted so that only certain Tones and Codes are available to the user during the edit session. The CTCSS Tone value restrict screen appears as below:
S q u e l c h R e s t r i c t : V a l u e
C T C S S T o n e : 6 7 . 0 •
FIGURE 2-39 Screen to Restrict Available CTCSS Tones
Here, you can step through the list of all the CTCSS Tones and restrict individual tone values from appearing to the user in the CTCSS Tone selection list.
The DCS Code value restrict screen appears as below:
S q u e l c h - V a l u e R e s t r i c t
D C S C o d e: 2 3 •
FIGURE 2-40 Screen to Restrict Available DCS Codes
Here, you can step through the list of all the DCS Codes and restrict individual code values from appearing to the user in the DCS Code selection list.
L4-0 Unused
L4-# Unused
L4-* Command Level Down
Return to the next lower Command Level (Command/Operator Level 3).
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2.6 UNDERSTANDING RADIO OPERATION
Basic Radio Operation
The basic operation of the TDFM-136 radio is accomplished through the front panel user interface. The front panel layout is shown in figure 2-41 below.
FIGURE 2-41 The TDFM-136 Front Panel Layout
The front panel comprises the following:
A) LED display, two line x 24 character
B) Rotary volume control (with on/off switch)
F) Toggle switch (two position: G1/G2)
G) Toggle switch (two position: HI/LO)
C) Rotary volume control
D) Push button switch (momentary contact)
H) Keypad, twelve button (numbers 0-9, # and *)
I) Keyloader (for future use).
E) Toggle switch (two position: MN/GD)
A
Only found on newer Front Panels.
The display provides two lines of text information – in the normal operating mode, the top line provides information about the Main channel and the bottom line provides information about the selected Guard channel.
B & C The rotary potentiometers control the audio level for each of the Main and Guard channels respectively. The Main volume control also contains the radio power switch.
D The single pushbutton provides the squelch defeat function and opens the squelch in analog modes. It also sets the receive squelch to accept all in digital modes (though this will not open the squelch unless there is a valid P25 digital signal present).
E, F The three toggle switches allow the user to select:
& G Main and Guard channels, Guard 1 or Guard 2 channel, and High or Low RF power.
Note that the channel select switches (MN/GD and G1/G2) will control which channel is active for any channel editing command (see Sections 2.1 through 2.5).
H
I
The 12 button keypad allows the user access to the system commands including commands for selecting channels, editing channel parameters, and for system configuration.
Keyloader (for future use).
Not used with software version 2.x.x.
PTT keying is provided via the back connector and is part of a correctly installed system.
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Channels and Memories
The radio supports 2 channels: Main and Guard. The currently selected channel (ie. that channel that the radio will transmit on when PTT is asserted) is determined by the position of the MN/GD and G1/G2 switches.
The Main channel supports multiple memory positions: that is, the user can select Main channel parameters by switching to a different memory position. The radio supports up to 230 memories for the Main channel.
The Guard channel supports only two memory positions: G1 and G2. These memories are only accessible via the front panel switches.
Memory Parameters (L1-3,7,9, L2-1,5,6, L4-1)
Each memory has a variety of parameters that may be edited by the user. Some of these are restricted under certain operating conditions:
Example: While scan is available for any Main channel memory, the user may not set scan parameters for either Guard channel or for 'shadow' channels on the Main channel.
The user can manipulate the memory parameters by using the editing commands described in sections 2.2 (Level1) and 2.3 (Level2). User accessible parameters include:
•
Memory number
•
Scan list
•
Text description
•
Operating mode
•
Frequency
•
Squelch mode and squelch mode value
In addition to editing the memory parameters, the user can create new memories or edit all the parameters of a memory using the command L2-1. When started, this command displays the contents of the memory (if currently programmed) or displays the default memory parameters, if creating a new memory (for Main channel only). The memory parameter defaults can be edited using the command L4-1.
Operating Modes (L1-3)
The unit supports three operating modes: Analog wide, analog narrow, and P25 digital. In the analog wide mode, the radio is operating on 25 kHz channel spacing. On both analog narrow and in P25 digital mode, the radio operates with 12.5 kHz channel spacing. The user can easily switch between modes on any memory for any channel (e.g. any Main memory, and both Guard1 and Guard2). Since the squelch modes are not common across analog and digital operating modes, if you change across these modes, the Squelch Mode will be affected.
The user can select the operating mode using the L1-3 command.
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Squelch Modes (L1-9, L2-9, L3-9, L4-9)
The radio supports a variety of squelch modes for both analog and digital operation. These are shown in table 2-8 below.
TABLE 2-9 Receive and Transmit Squelch Modes
Analog Rx
Rx Noise
Analog Tx
Tx Noise
Digital Rx Digital Tx
Rg TalkGroup + NAC Tg TalkGroup + NAC
Rt CTCSS Tones
Rc DCS Code
Tt
Tc
CTCSS Tones
DCS Code
Rn NAC Only
Rm Monitor
Ti ID Call
T- Inhibit
T- Inhibit
Squelch modes are non-orthogonal: that is, they are not the same across differences in Operating
Mode or for receive and transmit operation. While the user might never use certain squelch modes for certain channels, the associated parameters are always there.
Example: The user may keep a certain channel in analog narrow mode only, with no selective squelch chosen, but that channel does have a CTCSS tone, a
DCS code, a TalkGroup, and a NAC assigned; it is just that these parameters are not used.
Each squelch parameter exists for each channel and each has a default value; these default values, like all user editable channel parameters, can be set using the Maintenance Level command (L4-3).
In addition, Squelch use may be restricted according to: which Squelch
Modes may be selected for any Operating Mode, which Squelch Modes may be edited (e.g. change value), and – in the case of Tones and Codes – which values are available to be selected. See command L4-9.
Analog Mode 'x' The analog squelch mode 'x' is the default squelch mode, in the case of the
TDFM-136, the default receive mode is noise squelch. In the case of transmit, there is no special selective squelch signal added.
Analog Mode 't' The analog squelch mode 't' indicates that both receive and transmit use
CTCSS tone selective squelch. The tones may be the same or different for receive or transmit.
Analog Mode 'c'
The analog squelch mode 'c' indicates that both receive and transmit use
DCS (digitally coded squelch) code selective squelch. The codes may be the same or different for receive or transmit.
Analog Mode '-'
The analog squelch mode '-' is valid for transmit only and indicates that transmit is disabled for this memory.
Digital Mode 'm' The digital squelch mode 'm' is valid for receive only and indicates that any non-encrypted P25 compliant digital signal, regardless of NAC or TalkGroup setting, will be received.
Digital Mode 'n' The digital squelch mode 'n' is valid for receive only and indicates that any non-encrypted P25 compliant digital signal, having the correct NAC, will be received.
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Digital Mode 'g' The digital squelch mode 'g' is valid for receive and transmit only. For receive, it indicates that any non-encrypted P25 compliant digital signal, having the correct NAC and the correct TalkGroup, will be received. For transmit, it indicates that the specified NAC and TalkGroup codes will be transmitted.
Digital Mode 'i' The digital squelch mode 'i' is valid for transmit only and indicates that the transmitted signal will carry the ID of a specific radio: only a radio with that ID programmed as its UNIT ID (see command L2-9) should be able to receive that signal.
Digital Mode '-' The digital squelch mode '-' is valid for transmit only and indicates that transmit is disabled for this memory.
ID Call Operation
The radio can be configured, in digital mode, to use ID call as a selective squelch method. In this mode, the transmitting unit sets its TalkGroup to zero (0) and transmits the intended Unit ID number (decimal 0 to 9,999,999). Upon seeing the '0' talkgroup, the receiver ignores everything except the ID number.
Of course, the receiver will have to be on the correct frequency and in digital mode.
The TDFM-136 has two (2) distinct RF modules (Main and a dedicated Guard receiver). Unit IDs are not selected at the factory (all units ship with default IDs of 1 for Main and 2 for Guard), so each of these needs to have a Unit ID programmed.
Scan Operation (L1-5, L2-5, L3-5)
The radio supports a basic scan mode that operates on the Main channel only. The scan function allows users to monitor up to 16 channels at a time. All memories must be a member of one, and only one, scan list; each scan list can hold up to 16 memories. Each memory in a scan list can be enabled for scan or disabled (see command L2-5).
To scan a particular list, the radio must have a memory with its scan enabled and selected for the
Main channel.
Example: There are seven (7) memories assigned to scan list three (3): channels 5, 6, 13,
15, 23, 34, and 51 are all members of scan list 3. Channels 6 and 15 have scan disabled and the rest have scan enabled. If the user is on channel 6 or 15 and tries to start scan (command L1-5), there will be an error message: “Error: Non-Scanned Chan” and nothing will happen. If the user is on any other channel in scan list three, then the five scan-enabled channels in list three will be scanned.
You can enable or disable scan for the displayed memory (for Main channel only) by using the command L2-5.
You can affect the scan operational parameters by using command L3-5. This command allows you to affect the following four (4) parameters:
•
Revert Mode
•
Reply Timer
•
Monitor Timer
•
Delay Timer
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Revert Mode The Revert Mode refers to whether the radio will, when keyed, transmit on the currently selected memory channel or on the last contacted memory channel. The radio will only respond on the last contacted channel for a time determined by the Delay Timer setting. Once the
Timer times out, the unit then always transmits on the selected channel.
Default: last contacted
Reply Timer The scan Reply time is the time that the radio will monitor a channel on which RF was received after all activity on the channel has ended (Rx or Tx). If there is further receive or transmit activity on the channel, the timer will reset and start again once the activity has ended.
When the timer times-out, the unit will resume scan. If set to zero (0), the unit will resume scan immediately upon the end of channel activity.
Range: 0-20s, Default: 3 seconds
Monitor Timer This is the time that the radio will monitor a channel on which RF was received before resuming scanning. Once the timer expires, the unit will break and resume scan. If the value is set to zero (0), then the unit will monitor the signal as long as it is received.
Range: 1-90s, Default: 10 seconds
Delay Timer The Delay time is the time that the radio will remain monitoring a channel after receiving on that channel has ended. If the timer is set to zero (0), then the unit will resume scanning immediately after receive activity has ended. This is the timer that affects the Revert
Mode 'Contacted.'
Range: 0-15s, Default: 5 seconds
Mixed Mode Operation (L2-7)
The radio supports a mode of operation that allows mixing of analog and digital operating modes.
In effect, this mode allows one memory position to be set up as though it has up to 8 sets of parameters associated with it. This mode is also referred to as 'multi-mode' or 'shadow channel' operation.
The user invokes this mode by creating a 'shadow' memory (using command L2-7) and assigning it to an existing memory (known as the 'primary').
Any 'primary' can have up to seven (7) 'shadows' for a total of eight (8) sets of operating parameters (1 primary + 7 shadows). Just like a normal memory, each 'shadow' takes up one memory position.
The shadows have certain restrictions:
•
A shadow must have the same frequency as the primary
•
A shadow cannot have scan enabled
•
A shadow cannot transmit in digital ID call (i) mode
You can mix analog and digital Operating Modes and you can configure different shadows to have different squelch parameters.
Shadow operation is much like scan in last contacted mode. Once a signal has been received, the user has a set amount of time to key the radio. The unit will transmit with the parameters of the shadow that decoded the signal: in other words, you will respond to the person who called you.
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When mixing analog noise squelch with analog selective squelches, the noise squelch shadow will delay decode for a short time to allow the selective squelch channels time to decode. If none of the selective squelch channels decode a valid signal, then squelch is broken on the noise squelch channel.
The radio will operate in Mixed Mode when the Main channel has any memory in the shadow group selected (e.g. either Primary or any shadow). The only difference between selections is that if the user keys the radio, other than to respond to a received transmission, then the radio will transmit using the displayed parameters.
Primary channels with shadows are identified with a large diamond in the 4 th
character position:
0 0 1 ∀ M a i n D 1 3 6 . 0 0 0 0 R g
G D 1 G u a r d 1 n 1 5 4 . 0 0 0 0 R t
FIGURE 2-42 Identifying Graphic for Primary Channel with Shadows
Shadow channels are identified with a small diamond in the 4 th
character position:
0 1 1
∀
M a i n 1 D 1 3 6 . 0 0 0 0 R g
G D 1 G u a r d 1 n 1 5 4 . 0 0 0 0 R t
FIGURE 2-43 Identifying Graphic for Shadow Channel
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SECTION 3 – INSTALLATION INSTRUCTIONS
3.1 GENERAL
This section contains information and instructions for the correct installation of the TDFM-136
VHF/FM Digital Transceiver.
Prior to installation, make certain that the correct frequencies are pre-programmed in accordance with the equipment user's valid FCC operator's license.
3.2 EQUIPMENT PACKING LOG
Unpack the equipment and check for any damage that may have occurred during transit. Save the original shipping container for returns due to damage or warranty claims. Check that each item on the packing slip has been shipped in the container. Verify that the equipment display and back-lighting configuration are the same as those ordered.
3.3 TRANSCEIVER INSTALLATION
The TDFM-136 Transceivers are designed to be Dzus mounted and should be installed in conjunction with an IN-150 installation kit. See Figure 3-1 for an outline drawing of the unit with dimensions to facilitate the installation.
3.4 INSTALLATION KIT - CONTENTS
The IN-150 installation kit consists of:
1. One 15-pin (female) Cannon D-mating connector complete with crimp pins and hoods.
2. One BNC antenna mating RF connector (male) and hood.
3.5 ANTENNA INSTALLATION
Antenna, P/N ATM-150, may be obtained from Technisonic Industries Limited or a suitable equivalent 0dB gain antenna may be used with the TDFM-136 transceivers. The antenna should be mounted on the bottom of the aircraft whenever possible and must be located at least 20 cm
(8 inches) from any occupant in the airframe. Consult with instructions provided with the antenna.
Connect RF cable from antenna to the back of the TDFM-136 unit by utilizing the BNC mating connector provided in the installation kit.
3.6 INSTALLATION - PIN LOCATIONS AND CONNECTIONS
A single 15 pin DSUB connector, mounted on the rear of the unit, provides the means to connect all power, control, and audio signals between the TDFM-136 and the airframe. The pin numbers and locations for the 15 pin DSUB connector are shown in figure 3-1 below. The view shown is of the connector mounted in the unit. Select the appropriate mating connector.
FIGURE 3-1 Transceiver Mounted View of 15-pin Male Connector
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Table 3-1 provides the description of the pin connections for the transceiver.
TABLE 3-1 TDFM-136 - Rear Connector Pin Assignments
Pin # Description
1
2
3
4
5
Audio - Headset
Serial Data Out
Power - Panel Lighting
Signal - Memory Up
Signal - Memory Down
6 Audio - Microphone
7,14 Power - Main +28VDC
8,15 Power - Main Ground
9 Audio - Speaker
10 Signal Ground
11 Serial Data In
13 Signal – PTT
Notes
Output – 600 Ohms
Output – RS232
28 VDC Standard, 5VDC Optional
Input – Active Low
Input – Active Low
Input
Power
Power
4-Ohm Speaker Output
4-Ohm / 600-Ohm Output Ground
Input – RS232
Input – Active Low
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FIGURE 3-2 Outline Drawing for Model TDFM-136 Transceiver
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3.7 WIRING INSTRUCTIONS – 15-PIN D-CONNECTOR
Figure 3-3 shows all required connections and recommended wire sizes for the TDFM-136
Transceiver operation in the airframe.
3.7.1 Main Power +28 VDC
The main power +28VDC (± 15%) is connected to pins 7 and 14 of the 15-pin D-connector on the transceiver. Both pins should be connected.
3.7.2 Main Ground
Ground connections for the transceiver are made on pins 8 and 15. Both pins should be connected.
3.7.3 PTT (Ground Keying)
The PTT line is connected to pin 13 and should be floating when the transceiver is in receive mode and grounded during transmit mode.
3.7.4 Front Panel Back Lighting
Front panel back lighting connection should be made on pin 3 of the transceiver. The opposite end of this lead should be connected to the panel lighting system of the aircraft. Before connecting, verify the required panel lighting voltage (28 VDC or 5 VAC) on the transceiver configuration control label.
3.7.5 Audio Outputs (600 Ohms and 4 Ohms)
The audio output from pin 9 can be used to drive a 4 ohm speaker up to 2.5 watts. Audio output from pin 1 is 600 Ohms with a maximum of 0.5 watts.
3.7.6 Audio Output Ground
Pin 10 is the ground for both the 4 and 600 Ohms audio output signals on pins 9 and 1.
3.7.7 Mic Signal Input
The microphone input signal is to be provided on pin 6 and utilizes shielded wire with the shield grounded to pin 10.
3.7.8 Memory Up/Memory Down
Remote scrolling through the 25 memory positions can be achieved by providing a ground to pins
4 (up) and 5 (down) through a momentary contact cyclic switch.
3.7.9 Data Input
Channel data may be transferred to and from the unit using RS-232 communications protocol via pins 2 and 11.
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Figure 3-3 Wiring Connections for TDFM-136 Transceiver
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3.8 TRANSMITTER SIDE TONE LEVEL ADJUSTMENT
The side tone level is set at the factory; however, this level can be altered to suit local conditions as follows:
1. Set the transceiver operating frequency to 155.000 MHz and connect an appropriate test receiver to the RF output connector. Ensure that the output of the transceiver is terminated into a proper dummy load.
2. Key the transmitter and input a 1 kHz audio signal @ -10 dBm (0.25 VRMS) into the microphone input.
3. Select the side-tone adjust command (L3-7) and then adjust the side-tone level using the up/down arrows (keys 2 & 8) to produce a +3.0 dBm (1.0 VRMS) 600 Ohm audio output.
3.9 MAIN AND GUARD NOISE SQUELCH ADJUSTMENT
The squelch (on both the main and guard receivers) is factory set to open at approximately 0.5 micro-volts. This adjustment can be altered to suit local conditions as follows:
1. Set the main receiver of the transceiver to 155.000 MHz. Connect a signal generator to the antenna input of the transceiver.
2. Set the signal generator to produce a ± 3 deviation with a 1 kHz tone on 156.000 MHz.
Increase the signal generator RF level from 0.1 uV until the squelch indicator LED is on.
Verify the receiver SINAD ratio is between 12 and 14 dB.
3. If not, re-adjust main receiver squelch via the main receiver squelch software command.
4. Repeat the above procedure to adjust the guard receiver squelch setting using guard receiver squelch adjustment software command.
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3.10 REFERENCE LAYOUTS
Reference layouts are given in the following Figures 3-4 and 3-5. These show the position of control points for both the Main RF Interface and the MCU boards.
J1:
J6:
J7:
J8:
J9:
Antenna connector
P25 Module RF output to RF Amplifier – factory installed
RF Amplifier output stage to Antenna filter – factory installed
RF Amplifier power supply select – factory installed
Leave open
C23: RF Power bandwidth compensation – factory set
TP1: RF Power Transistor DC bias monitoring point.
FIGURE 3-4 Control Points for TDFM-136 Main RF Board
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J2:
J4:
Boot Program Enable – factory set DO NOT INSTALL
Option Jumpers:
1-2 Maintenance Mode Enable – DO NOT INSTALL IN AIRFRAME, BENCH ONLY
3-4 Factory Use Only – DO NOT INSTALL
5-6 n/u reserved
R8: Main Rx Audio Adjust – factory set
R10: Tx Mic Audio Level Adjust – factory set
R11: Guard Rx Audio Adjust – factory set
R17: RF Low Power Adjust – factory set
R18: RF High Power Adjust – factory set
R56: DTMF Level Adjust – factory set
FIGURE 3-5 Control points for the TDFM-136 MCU Board
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97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
TONES
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
167.9
173.8
179.9
186.2
192.8
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
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APPENDIX A – CTCSS TONES and DCS CODES
Available
CTCSS TONES
Available
DCS CODES
131
132
134
143
152
155
156
162
165
72
73
74
114
115
116
125
CODES
23
25
26
31
32
43
47
51
54
65
71
251
261
263
265
271
306
311
172
174
205
223
226
243
244
245
503
506
516
532
546
565
606
612
624
423
431
432
445
464
465
466
CODES
315
331
343
346
351
364
365
371
411
412
413
723
731
732
734
743
754
627
631
632
654
662
664
703
712
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APPENDIX B – POST INSTALLATION EMI TEST INSTRUCTIONS”
PURPOSE
The purpose of these tests is to identify any interference that the TDFM-136 may cause with existing aircraft systems.
TEST CONDITIONS
The TDFM-136 transceiver should be installed and function tested. The antenna VSWR should be checked. A forward/reverse power check with an in-line wattmeter should show no more than
10% reflected power. For the following tests, ensure that the power switch is in the high position.
METHODOLOGY
Most of the EMI tests can be accomplished on the ground. In some cases, flight testing is required or is easier. If the aircraft is approved for IFR operations, then it is mandatory that interference between the TDFM-136 Airborne FM and the approach aids be checked in flight.
The GPS should be operational and navigating with at least the minimum compliment of satellites. The VHF COMM should be set to the frequencies indicated with the squelch open.
VOR/DME receivers should be set to the frequencies indicated and selected for display. If possible, set up a DME ramp test set on the frequencies indicated and adjust the output until the flags are out of view. The transponder and encoder should be monitored with ramp test equipment. Set the output of the transponder test set to 3db above the output necessary to achieve 90% reply. If possible, set the ADF to a nearby navigation station.
Modulate the TDFM-136 transmitter on the indicated frequencies for at least 20 seconds.
Observe the GPS for any degradation in satellite status or availability or flags. Listen for any noise or detected audio signals on the VHF COMM(s). Listen for any noise or detected audio signals on the VOR/LOC receiver audio; look for any movement of flags or needles on the
VOR/LOC/GS navigation display(s). Observe the transponder for any loss of reply or spurious reply.
List the power plant, fuel, and other electric instruments in the chart provided and note any anomalies that occur while transmitting. Assess the results.
If the aircraft is equipped with an auto-pilot or a stability augmentation system, then test fly the aircraft and verify that operation of the TDFM-136 transceiver does not have adverse effects on these systems. After checking for gross effects at a safe altitude, fly an approach with each of the different navigation systems coupled to the auto-pilot (ILS, GPS, etc.) and look for any anomalies.
RESULTS
If the installed system passes all of the applicable EMI tests, then no further action is required. If interference is observed, then the interference must be assessed against the appropriate standards of airworthiness for the system in question. For example, it is permissible for a VFR certified GPS to lose navigation capability while the TDFM-136 is transmitting providing that it recovers properly and promptly but is not permissible for an IFR approach certified GPS to be affected in the same way. A complete discussion of all the standards of airworthiness to be applied in assessing EMI effects is beyond the scope of this document. The TDFM-136 surpasses Industry Canada and FCC specifications for spurious output including harmonics of the transmitted frequency. However, with the close proximity of antennas and the high sensitivity of modern avionics, there may still be undesired interference. When undesired interference is detected, the following action should be taken:
1. Move the VHF FM antenna further away from the antenna connected to the system being interfered with.
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Harmonics can also be generated by the aircraft itself where dissimilar metals meet or in other avionics systems.
If the interference is not rectified, the unit shall be placarded to avoid use during the appropriate phase of flight. For example, if the unit causes undesired operation of the ILS, then the TDFM-
136 should be placarded, “Not to be used during an IFR ILS approach.”
PROCEDURE
A. Operate the TDFM-136 transmitter on the following frequency for at least 20 seconds. Observe the GPS for any degradation in satellite status or availability or flags.
FREQUENCIES GPS #1 GPS #2
PASS FAIL PASS FAIL TDFM-136
143.1800 MHz
143.1825 MHz
157.5000 MHz
NOTES:
157.5425 MHz
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Determine if the image frequency for the VHF COMM falls within the range of the TDFM-136. If so, select a set of frequencies that will cause the TDFM-136 to be set as close as possible to the image frequency. Any one of the many possible sets will suffice. Record those values in the spaces provided in the following chart. Modulate the TDFM-136 transmitter on the following frequencies for at least 20 seconds. Listen for any noise or detected audio signals on the VHF
Comm.
EXAMPLE: Bendix/King KY 196A.
The first IF frequency is 11.4 MHz. The LO is above the receive frequency (high side injection).
Therefore, the image frequency is 22.8 MHz above the selected frequency. Set the KY 196A to
120.000 MHz and the TDFM-136 to 142.8000 MHz.
FREQUENCIES RESULTS
PASS FAIL VHF #1 TDFM-136
135.975 MHz
121.150 MHz
138.0000 MHz
157.5000 MHz
131.250 MHz
Image
157.5000 MHz
FREQUENCIES RESULTS
VHF #2
135.975 MHz
121.150 MHz
131.250 MHz
Image
NOTES:
TDFM-136
138.0000 MHz
157.5000 MHz
157.5000 MHz
PASS FAIL
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Determine if the image frequency for the VOR/ILS Nav falls within the range of the TDFM-136. If so, select two sets of frequencies that will cause the TDFM-136 to be set a close as possible to the image frequency. Chose one set in the localizer frequency range and one in the VOR frequency range. Record those values in the spaces provided in the following chart. Modulate the
TDFM-136 transmitter on the following frequencies for at least 20 seconds. Listen for any noise or detected audio signals on the receiver audio; look for any moment of flags or needles on the navigation display.
FREQUENCIES RESULTS
PASS FAIL VOR / ILS #1 TDFM-136
108.000 MHz
108.100 MHz
Image
Image
162.0000 MHz
162.1500 MHz
FREQUENCIES
TDFM-136
162.0000 MHz
162.1500 MHz
VOR / ILS #2
108.000 MHz
108.100 MHz
Image
Image
NOTES:
PASS
RESULTS
FAIL
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D.
Localizer
108.10
108.15
108.30
108.35
108.50
108.55
108.70
108.75
108.90
108.95
109.10
109.15
109.30
109.35
109.50
109.55
109.70
109.75
109.90
109.95
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The following procedure checks for second harmonic interference to the glide slope receiver from the TDFM-136. All transceivers produce harmonics (multiples of the wanted frequency) and while the TDFM-136 far exceeds FCC requirements, interference can still be experienced depending upon antenna position and separation. Furthermore, other equipment in the aircraft and the structure of the aircraft can generate harmonics where dissimilar metals make contact or where grounds are isolated, etc. This is also true of aircraft hangers; therefore, testing should be done outside away from any structures where possible.
With a portable glide slope generator, provide enough signal to firmly activate the indicator needle and hide all flags. Increase the signal level by 3 dB. Modulate the TDFM-136 transmitter on the following frequencies for at least 20 seconds. Observe the Glide Slope displays. Look for any movement of flags or needles on the navigation display. If an interference condition is detected, then the installation will have to be flight tested according to the following procedure. Using the table below, determine the glide slope frequency based on the localizer frequency of the ILS to be used. Divide the glide slope frequency by 2 and program into the TDFM-136. Fly the aircraft to intercept the localizer and glide slope (both needles centered) at 26 nm from the runway.
Transmit on the TDFM-136 for 10 seconds and watch for any deflections or flags. Repeat the test every 2 nm until the indicators are not affected. If the distance is greater than 18 nm, then a pass shall be recorded. Otherwise, the TDFM-136 shall be placarded, “Do not transmit while on ILS approach.”
Glide slope
334.70
334.55
334.10
333.95
329.90
329.75
330.50
330.35
329.30
329.15
331.40
331.25
332.00
331.85
332.60
332.35
333.20
333.05
333.80
333.65
Localizer
110.10
110.15
110.30
110.35
110.50
110.55
110.70
110.75
110.90
110.95
111.10
111.15
111.30
111.35
111.50
111.55
111.70
111.75
111.90
111.95
Glide slope
334.40
334.25
335.00
334.85
329.60
329.45
330.20
330.05
330.80
330.65
331.70
331.55
332.30
332.15
332.90
332.75
333.50
333.35
331.10
330.95
TDFM-136 Installation & Operating Instructions
B-5
TiL 99RE255 Rev. D Issue 12
Glide Slope #1
334.7 (108.1)
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
FREQUENCIES
TDFM-136
167.3500 MHz
Glide Slope #2
334.7 (108.1)
NOTES:
FREQUENCIES
TDFM-136
167.3500 MHz
PASS
RESULTS
FAIL
PASS
RESULTS
FAIL
TDFM-136 Installation & Operating Instructions
B-6
TiL 99RE255 Rev. D Issue 12
E.
F.
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
For the following tests (E & F), select a frequency at the top, middle, and bottom of the band of the TDFM-136 Transceiver.
VHF Band (138 to 174 MHz)
Frequency No. 1
Frequency No. 2
Frequency No. 3
At a safe altitude, engage the autopilot or stability augmentation system. Modulate the TDFM-136 on the above frequencies for at least 20 seconds. Observe any effect on the autopilot or stability augmentation system.
Observations:
Perform a coupled ILS approach to the aircraft’s certified limits. Modulate the TDFM-136 transmitter on the above frequencies for at least 20 seconds. Observe any effect on the autopilot.
Repeat for second flight director/autopilot if so equipped.
Observations:
TDFM-136 Installation & Operating Instructions
B-7
TiL 99RE255 Rev. D Issue 12
G.
13
14
15
16
9
10
11
12
7
8
5
6
3
4
1
2
21
17
18
19
20
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
List the power plant, fuel, and other electric instruments in the chart provided and note any anomalies that occur while transmitting. Assess the results.
STEP SYSTEM PASS FAIL NOTES
COMM 1 and 2
Transponder and Encoder
ADF 1 and 2
Vertical Gyro
Glide slope 1 and 2
VOR/LOC 1 and 2
Directional Gyro
Compass
Fuel Pressure
Oil Temperature
Ammeter
Bus Voltage
Fuel
Nt
TOT
% Torque
Digital Clock
Oil Pressure
Annunciators
GPS
DME
TDFM-136 Installation & Operating Instructions
B-8
TiL 99RE255 Rev. D Issue 12
STEP
NOTES:
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
SYSTEM PASS FAIL NOTES
TDFM-136 Installation & Operating Instructions
B-9
TiL 99RE255 Rev. D Issue 12
STEP
NOTES:
TDFM-136 Installation & Operating Instructions
B-10
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
SYSTEM PASS FAIL NOTES
TiL 99RE255 Rev. D Issue 12
Technisonic Industries Limited
240 Traders Blvd., Mississauga, ON Canada L4Z 1W7
Tel: (905) 890-2113 Fax: (905) 890-5338
IMPORTANT
WARRANTY
All communication equipment manufactured by Technisonic Industries Limited is warranted to be free of defects in Material or Workmanship under normal use for a period of one year from Date of Purchase by the end user.
Warranty will only apply to equipment installed by a factory approved and/or authorized facility in accordance with Technisonic published installation instructions. Equipment falling under the following is not covered by warranty:
•
Equipment that has been repaired or altered in any way as to affect performance,
•
Equipment that has been subject to improper installation,
•
Equipment that has been used for purposes other than intended,
•
Equipment that has been involved in any accident, fire, flood, immersion, or subject to any other abuse.
Expressly excluded from this warranty are changes or charges relating to the removal and re-installation of equipment from the aircraft. Technisonic will repair or replace (at
Technisonic's discretion) any defective transceiver (or part thereof) found to be faulty during the Warranty Period.
Faulty equipment must be returned to Technisonic (or its authorized Warranty Depot) with transportation charges prepaid. Repaired (or replacement) equipment will be returned to the customer with collect freight charges. If the failure of a transceiver occurs within the first 30 days of service, Technisonic will return the repaired or replacement equipment prepaid.
Technisonic reserves the right to make changes in design, or additions to, or improvements in its products without obligation to install such additions and improvements in equipment previously manufactured. This Warranty is in lieu of any and all other warranties expressed or implied, including any warranty of merchantability or fitness, and of all other obligations or liabilities on the part of Technisonic.
This Warranty shall not be transferable or assignable to any other persons, firms, or corporations.
For warranty registration, please complete the on-line
Warranty Registration Form found at www.til.ca.
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Key features
Frequency range: 136.000 to 174.000 MHz
Digital or analog FM communications
Selectable channel spacing: 25 kHz or 12.5 kHz
230 operator-accessible memory positions
Two-channel synthesized guard receiver
Frequently asked questions
The TDFM-136 operates in the frequency range of 136.000 to 174.000 MHz.
The TDFM-136 supports both digital and analog FM communications.
The TDFM-136 provides 230 operator-accessible memory positions.
The TDFM-136 incorporates a two-channel synthesized guard receiver to monitor additional frequencies while the main transceiver is in use.
