BENDIXKing | KY 97A | Installation manual | BENDIXKing KY 97A Installation manual

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INSTALLATION MANUAL
KY 96A, KY 97A
VHF COMMUNICATION
TRANSCEIVER
MANUAL NUMBER 006-00674-0004
Revision 4, April 2003
WARNING
THE ENCLOSED TECHNICAL DATA IS ELIGIBLE FOR EXPORT UNDER LICENSE DESIGNATION NLR AND IS TO BE USED SOLELY BY THE INDIVIDUAL/ ORGANIZATION
TO WHOM IT IS ADDRESSED. DIVERSION CONTRARY TO U.S. LAW IS PROHIBITED.
COPYRIGHT NOTICE
©1989, 1994, 1996, 2003 HONEYWELL INTERNATIONAL INC.
REPRODUCTION OF THIS PUBLICATION OR ANY PORTION THEREOF BY ANY
MEANS WITHOUT THE EXPRESS WRITTEN PERMISSION OF HONEYWELL IS
PROHIBITED. FOR FURTHER INFORMATION CONTACT THE MANAGER, TECHNICAL
PUBLICATIONS, HONEYWELL, ONE TECHNOLOGY CENTER, 23500 WEST 105TH
STREET OLATHE KS 66061 TELEPHONE: (913) 782-0400.
B
KY 96A, KY 97A
REVISION HISTORY
INSTALLATION MANUAL
BENDIX/KING
KY 96A, KY 97A
VHF Communication Transceiver
PART NUMBER
REV
DATE
DESCRIPTION
--------------------------------------------------------------------------------------------------------------------006-00674-0004
4
Apr/2003
006-00674-0003
3
Apr/1994
006-00674-0002
2
Jan/1994
006-00674-0001
1
Oct/1989
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THIS PAGE RESERVED
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TABLE OF CONTENTS
KY 96A, KY 97A
SECTION I
GENERAL INFORMATION
Paragraph
Page
1.1
Introduction ............................................................................................. 1-1
1.2
Description of Equipment......................................................................... 1-1
1.3
Technical Characteristics......................................................................... 1-1
1.4
Units and Accessories Supplied .............................................................. 1-4
1.5
Accessories Required, But Not Supplied................................................. 1-6
1.6
License Requirements ............................................................................. 1-6
1.7
Continued Airworthiness.......................................................................... 1-6
LIST OF TABLES
Table
1-1
1-2
1-3
Page
Technical Characteristics......................................................................... 1-2
KY 96A Configurations ............................................................................ 1-4
KY 97A Configurations ............................................................................ 1-5
SECTION II
INSTALLATION
Paragraph
Page
2.1
General .................................................................................................... 2-1
2.2
Unpacking and Inspection Equipment ..................................................... 2-1
2.3
Equipment Installation ............................................................................. 2-1
2.4
Post Installation Checks .......................................................................... 2-4
LIST OF TABLES
Table
2-1
Page
Compatible Installations...........................................................................2-2
LIST OF ILLUSTRATIONS
Figure
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
Page
KY 96A, KY 97A Cover-On Adjustments ..... ........................................... 2-5
KY 96A Pin Function and Location Diagram ........................................... 2-6
KY 97A Pin Function and Location Diagram ........................................... 2-7
Molex Terminal and Tools ........................... ........................................... 2-8
KY 96A, KY 97A Outline and Mounting ....... Dwg 155-05666-0001 ...... 2-11
KY 96A, KY 97A Installation Assembly........ Dwg 155-05690-0000 ...... 2-13
Connector (P/N 030-00101-0002 R-9) Assembly .................................. 2-15
KY 96A Interconnect.................................... Dwg 155-01583-0000 ...... 2-17
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2-9
2-10
2-11
2-12
2-13
TABLE OF CONTENTS
KY 96A, KY 97A
KY 97A Interconnect.................................... Dwg 155-01583-0001 ...... 2-19
Dual KY 96A Interconnect ........................... Dwg 155-01584-0000 ...... 2-21
Dual KY 97A Interconnect ........................... Dwg 155-01584-0001 ...... 2-23
Dual KY 96A with KA 25 Interconnect ......... Dwg 155-01585-0000 ...... 2-25
Dual KY 97A with KA 25 Interconnect ......... Dwg 155-01585-0001 ...... 2-27
SECTION III
OPERATION
Paragraph
Page
3.1
Power On Unit .........................................................................................3-1
3.2
Transmit Indicator ....................................................................................3-1
3.3
Modes of Operation ................................................................................. 3-1
3.4
Remote Frequency Transfer.................................................................... 3-3
3.5
Remote Channel Increment..................................................................... 3-3
3.6
Dim Select ............................................................................................... 3-3
LIST OF ILLUSTRATIONS
Figure
3-1
Page
KY 96A, KY 97A Controls ....................... ................................................ 3-4
APPENDIX E
ENVIRONMENTAL QUALIFICATION FORMS
LIST OF ILLUSTRATIONS
Figure
E-1
E-2
Page
KY 96A Environmental Qualification Form ............................................. E-3
KY 97A Environmental Qualification Form ............................................. E-4
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KY 96A, KY 97A
SECTION I
GENERAL INFORMATION
1.1
INTRODUCTION
This manual contains information relative to the physical, mechanical, and electrical
characteristics of the Bendix/ King KY 96A and KY 97A VHF Communication Transceivers. Installation and operating procedures are also included. Information relative
to the maintenance, alignment, and procurement of replacement parts may be found
in the KY 96A, KY 97A Maintenance/ Overhaul Manual.
1.2
DESCRIPTION OF EQUIPMENT
The KY 96A and KY 97A VHF Comm Transceivers consist electrically of five sections:
receiver, transmitter, synthesizer, display circuitry, and the microprocessor board.
The transceivers are identical except that the KY 96A operates at 28 Vdc and the
KY 97A operates at 14 Vdc.
The KY 96A, KY 97A is currently available with 25 kHz receiver selectivity, 100 mW
into 500 ohms or 8 W into 4 ohms audio outputs (4 W into 4 ohms in the KY 97A), and
operating ranges of 118.000 to 136.975 MHz. See paragraph 1.4 below for descriptions of specific versions.
NOTE:
Previous versions were available with 50 kHz receiver selectivity; however,
it is not a current configuration.
The KY 96A, KY 97A has the capability of programming up to nine memory channel
frequencies for later recall. Channel frequency information is stored in non-volatile
memory so that when the radio is turned off and then back on, channel information is
retained. Both units also have the capability of remote transfer of Use and Standby
frequencies, and remote recall of channel frequency information.
1.3
TECHNICAL CHARACTERISTICS
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KY 96A, KY 97A
TABLE 1-1 Technical Characteristics
SPECIFICATION
CHARACTERISTIC
TSO COMPLIANCE:
Transmitter:
TSO C37c, DO-186 Class 4
Receiver:
KY96A (versions -10,-30,-50,-60,-70)
KY96A (versions -11,-31,-51,-61)
TSO C38c, DO-186 Class C + D
TSO C38c, DO-186 Class A + B
KY97A (versions -10,-30,-50,-60,-70)
KY97A (versions -11,-31,-51,-61)
TSO C38c, DO-186 Class C + D
TSO C38c, DO-186 Class A + B
ENVIRONMENTAL DATA:
See Environmental Qualification Form in Appendix A.
PHYSICAL DIMENSIONS
(Including Weight):
Refer to Figure 2-5, Dwg No 155-05666-0001.
MOUNTING:
Panel mounted, no shock mounting required.
TEMPERATURE RANGE:
-20 deg C to +55 deg C with short time operation at
+70 deg C.
POWER REQUIREMENTS:
KY 96A: 27.5 Vdc
(Receive)
400 mA Audio squelched LCD Max brightness.
500 mA Audio @ 100 mW LCD Max brightness.
1100 mA Audio @ 8 W LCD Max brightness.
(Transmit)
5 A transmit at 5 W RF output LCD Max brightness.
(Lighting)
138 mA Max @ 28 Vdc.
KY 97A: 13.75 Vdc
(Receive)
600 mA Audio squelched LCD Max brightness.
700 mA Audio @ 100 mW LCD Max brightness.
1100 mA 4 ohms Audio @ 8 W LCD Max brightness.
(Transmit)
6 A transmit at 5 W RF output LCD Max brightness.
(Lighting)
275 mA Max @ 14 Vdc.
FREQUENCY RANGE:
(version dependent, see paragraph 1.4)
118.000 MHz to 136.975 MHz in 25 kHz increments.
FREQUENCY STABILITY:
0.0015% from -20 deg C to +55 deg C.
DESIGN:
All solid state. Printed circuit board and point to point
wiring.
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KY 96A, KY 97A
TABLE 1-1 Technical Characteristics
SPECIFICATION
CHARACTERISTIC
TRANSMITTER
EMISSION:
6K 00A3E
OCCUPIED BANDWIDTH:
25 kHz
POWER OUTPUT:
KY 96A:
KY 97A:
5 watts minimum
5 watts minimum
MODULATION:
70% modulation capability with 98% limiting.
Less than 15% distortion at 70% modulation.
SIDETONE OUTPUT:
Adjustable up to 100 mW into 500 ohms headphones.
MICROPHONE:
Standard carbon or dynamic mic containing transistorized preamp. Must provide 100 mVrms into 100 ohm
load.
HARMONIC CONTENT:
Greater than 60 dB down from carrier.
HIGH TEMPERATURE PROTECTION:
If the transmitter or modulator circuits become hot
enough to potentially hurt any components in the transceiver, a protection circuit will automatically turn down
the transmitter power consumption and output power
(1.25 watts minimum).
DUTY CYCLE:
1 minute on, 4 minutes off.
FCC IDENTIFIER:
ASY7BL KY96A,KY97A
RECEIVER
RECEIVER SENSITIVITY:
2 uV (hard) or less for 6 dB S+N/N with 1 kHz tone
modulated 30%.
RECEIVER SELECTIVITY:
Class C + D
(version dependent, see paragraph 1.4)
-6 dB at +/- 8 kHz minimum. 40 dB at +/- 17 kHz. 60
dB at +/- 22 kHz. DO-186.
Class A + B
(version dependent, see paragraph 1.4)
-6 dB at +/- 15 kHz minimum. 60 dB at +/- 43 kHz.
DO-186.
RECEIVER OUTPUT:
100 mW minimum into 500 ohms or 8 W into 4 ohms
(KY 96A) or 4 W into 4 ohms (KY 97A).
AGC CHARACTERISTIC:
From 5 uV to 20,000 uV audio output will not vary
more than 3 dB.
SQUELCH:
Automatic squelch (internally adjustable carrier-tonoise setting) with manual disable.
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TABLE 1-1 Technical Characteristics
SPECIFICATION
CHARACTERISTIC
SPURIOUS RESPONSES AND CROSS
MODULATION PRODUCTS:
At least 80 dB down.
INTERCOM INPUT:
When the mic is connected to the intercom input both
the receiver and mic audio appears at the audio output.
100 mVrms of mic audio into 500 ohms is required for
100 mW output.
1.4
UNITS AND ACCESSORIES SUPPLIED
NOTE:
1.4.A.
Not all configurations listed below are currently available, consult Bendix/
King Equipment Catalog for further information.
KY 96A VHF Comm Transceiver, P/N 064-1052-XX, which is configured in the
following versions:
TABLE 1-2 KY 96A Configurations
PART NUMBER
RECEIVER
SELECTIVITY
AUDIO OUTPUT
FREQUENCY RANGE
064-1052-10
25 kHz
500 ohm headphone
118.000 to 135.975 MHz
064-1052-11
50 kHz
500 ohm headphone
118.000 to 135.975 MHz
064-1052-30
25 kHz
500 ohm headphone
118.000 to 136.975 MHz
064-1052-31
50 kHz
500 ohm headphone
118.000 to 136.975 MHz
064-1052-50
25 kHz
8 W into 4 ohms
118.000 to 135.975 MHz
064-1052-51
50 kHz
8 W into 4 ohms
118.000 to 135.975 MHz
064-1052-60
25 kHz
8 W into 4 ohms
118.000 to 136.975 MHz
064-1052-61
50 kHz
8 W into 4 ohms
118.000 to 136.975 MHz
064-1052-70*
25 kHz
8 W into 4 ohms
118.000 to 136.975 MHz
*Crown Series Unit
1.4.B.
KY 97A VHF Comm Transceiver, P/N 064-01051-00XX, which is configured in
the following versions:
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TABLE 1-3 KY 97A Configurations
PART NUMBER
RECEIVER
SELECTIVITY
AUDIO OUTPUT
FREQUENCY RANGE
064-1051-10
25 kHz
500 ohm headphone
118.000 to 135.975 MHz
064-1051-11
50 kHz
500 ohm headphone
118.000 to 135.975 MHz
064-1051-30
25 kHz
500 ohm headphone
118.000 to 136.975 MHz
064-1051-31
50 kHz
500 ohm headphone
118.000 to 136.975 MHz
064-1051-50
25 kHz
4 W into 4 ohms
118.000 to 135.975 MHz
064-1051-51
50 kHz
4 W into 4 ohms
118.000 to 135.975 MHz
064-1051-60
25 kHz
4 W into 4 ohms
118.000 to 136.975 MHz
064-1051-61
50 kHz
4 W into 4 ohms
118.000 to 136.975 MHz
064-1051-70*
25 kHz
4 W into 4 ohms
118.000 to 136.975 MHz
*Crown Series Unit
1.4.C.
The KY 96A, KY 97A Installation Kit, P/N 050-02600-0000, which contains the
following components:
050-02600-0000 INSTL KIT KY196A
REV AA
--------------------------------------------------------------SYMBOL
PART NUMBER
FIND NO DESCRIPTION
UM -0000
--------------------------------------------------------------REF1
155-05690-0000
INSTALL ASSY
RF
.00
030-00101-0002
PANEL MOUNT PLUG
EA
1.00
030-01094-0080
CONNECTOR KEYED
EA
1.00
030-01107-0031
CONNECTOR TERM 31T EA
1.00
057-02193-0001
DECAL COMM 1
EA
1.00
057-02193-0002
DECAL COMM 2
EA
1.00
057-05944-0003
KIT TSO LABEL
EA
1.00
089-02013-0037
NUT FLAT 6-32
EA
1.00
089-02051-0024
NUT SPEED U 6-32
EA
4.00
089-02191-0022
NUT LOCK 6-32
EA
1.00
089-02353-0001
NUT CLIP 6-32
EA
6.00
089-05903-0007
SCR PHP 4-40X7/16
EA
2.00
089-05907-0008
SCR PHP 6-32X1/2
EA
1.00
089-06012-0008
SCR FHP 6-32X1/2
EA
6.00
089-08094-0030
WSHR FLT STD .446
EA
1.00
089-08168-0002
WASHER WAVE
EA
1.00
090-00019-0007
RING RTNR .438
EA
1.00
091-00072-0002
CABLE CLAMP 2
EA
1.00
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1.5
KY 96A, KY 97A
ACCESSORIES REQUIRED, BUT NOT SUPPLIED
1.5.A.
Communications antenna and cables.
1.5.B.
Headphones: 500 ohm nominal impedance.
1.5.C.
Microphone: Low impedance carbon or dynamic with transistorized preamp.
1.5.D.
For 13.75 V operation of the KY 96A a 14-to-28 V convertor such as KGS Electronics Model RB-125 or equivalent may be used. The RB-125 is available from
Bendix/ King under P/N 068-01016-0003.
1.6
LICENSE REQUIREMENTS
The transmitter, as installed in the aircraft, requires an Aircraft Radio Station License.
This license is obtained by filing FCC Form 404, Aircraft Radio Station License Application, which may be obtained from your local FCC Field Office. The KY 96A, KY 97A
may be operated for up to 30 days without a station license after filing Form 404 while
awaiting the receipt of the radio license if a copy of FCC Form 404 is kept in the aircraft.
NOTE:
This equipment has been type accepted by the FCC and entered on their
list of type accepted equipment as AlliedSignal KY 96A/97A, and must
be identified as AlliedSignal KY 96A/97A on FCC Form 404.
CAUTION:
THE VHF TRANSMITTER IN THIS EQUIPMENT IS GUARANTEED TO
MEET FEDERAL COMMUNICATIONS COMMISSION ACCEPTANCE
OVER THE OPERATING TEMPERATURE RANGE ONLY WHEN A
BENDIX/ KING CRYSTAL IS USED IN THE STABILIZED MASTER OSCILLATOR. USE OF OTHER THAN A BENDIX/ KING CRYSTAL IS
CONSIDERED AN UNAUTHORIZED MODIFICATION AND MAY VOID
THE WARRANTY.
NOTE:
The Federal Communications Commission requires that the operator of
the transmitter of this equipment hold a Restricted Radio Telephone Operator Permit (FCC Form 753) or higher class license. A permit may be
obtained by a U.S. citizen from the nearest field office of the FCC; no examination is required.
1.7
CONTINUED AIRWORTHINESS
The instructions for continued airworthiness in the TC or STC approvals for this product supplements or supersedes the instructions for continued airworthiness in this
manual.
This Bendix/ King product KY 96A, KY 97A is designed and manufactured to allow oncondition maintenance. On-condition maintenance is described as follows. There are
no periodic service requirements necessary to maintain continued airworthiness. No
maintenance is required until the equipment does not properly perform its intended
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KY 96A, KY 97A
function. When service is required, a complete performance test must be accomplished following any repair action. Consult the appropriate section of the Maintenance Manual for complete performance test information.
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KY 96A, KY 97A
SECTION II
INSTALLATION
2.1
GENERAL
This section contains suggestions and factors to consider before installing the KY 96A,
KY 97A. Close adherence to these suggestions will assure more satisfactory performance from the equipment.
The conditions and test required for the TSO and MOPS approval of this article are
minimum performance standards. It is the responsibility of those installing this article
either on or with a specified type or class of aircraft to determine that the aircraft installation conditions are within the TSO and MOPS standards. These articles must have
separate approval for installation in an aircraft. Any features in this equipment outside
the requirements of this applicable TSO and MOPS must be evaluated and approved
as part of the installation approval. The article may be installed only if performed under
14 CFR part 43 or the applicable airworthiness requirements.
2.2
UNPACKING AND INSPECTING EQUIPMENT
Unpack the equipment carefully and inspect each item for evidence of damage incurred during shipment. If a damage claim must be filed, save the shipping container
and all packing materials to substantiate your claim. The claim should be filed with the
transportation company as soon as possible. The shipping container and packing
should be saved in any case in the event that storage or reshipment of the equipment
is necessary.
2.3
EQUIPMENT INSTALLATION
The KY 96A, KY 97A installation will conform to standards designated by the customer, installing agency, and existing conditions as to the unit location and type of installation. However, the following suggestions should be considered before installing the
KY 96A, KY 97A. The installing agency will supply and fabricate all external cables.
The connectors required are supplied by Bendix/ King. Connector pin function diagrams are included in this manual as Figure 2-2, and Figure 2-3. Interconnect diagrams are included in this manual as Figure 2-8 through Figure 2-13. Refer to the table below for compatible installations.
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KY 96A, KY 97A
TABLE 2-1 Compatible Installations
CURRENT INSTALLATION
KY196A
KY197A
KY196
KY197
KY96A Compatible
YES*1
NO
NO
NO
KY97A Compatible
NO
YES*1
NO
NO
*1 Will work but backlighting will be too bright and unsuitable, and the audio amplifier
will not function because the current installation is not wired for an audio amplifier.
NOTE:
2.3.1
Use good quality stranded wire with at least 600 V insulation that will not
support a flame.
Avionics Cooling Requirements for Panel Mounted Equipment
The most important contribution to improved reliability of avionics equipment is to limit
the maximum operating temperature of each unit. While modern designs consume
less total energy, the heat dissipated per unit volume (watts/cubic inch) remains much
the same due to contemporary high density packaging techniques. While each individual unit may or may not require forced air cooling, the combined heat generated by
several units operating in a typical panel or rack can significantly degrade the reliability
of the equipment if provisions for adequate cooling are not incorporated in the initial
installation.
2.3.2
Mounting Rack Installation
2.3.2.A.
The KY 96A, KY 97A is mounted rigidly in the aircraft panel. Select a position
in the panel that is not too close to any high external heat source. Remember
to allow adequate space for installation of cables and connectors. Avoid sharp
bends and placing the cables too near the aircraft control cables.
2.3.2.B.
When installing two or more panel mounted units in a stack, the mounting
trays shall be spaced 0.050 inches (0.127 cm) apart. Current production
mounting trays have 0.025 inch (0.064 cm) dimples built in to top and bottom
and both sides so that the trays will automatically be spaced properly.
2.3.2.C.
Refer to Figure 2-5 for the KY 96A, KY 97A mounting dimensions. Mark and
cut the mounting holes.
2.3.2.D.
Secure the mounting rack to the instrument panel per Figure 2-5 and Figure
2-6. The rear mounting bosses should be attached to the airframe by means
of support brackets.
2.3.3
Antenna Installation
A conventional 50 ohm vertically polarized comm antenna is required with the KY 96A,
KY 97A. Vertical bent whip antennas are not recommended. Wideband comm anten-
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KY 96A, KY 97A
nas provide efficient operation over the comm band. Antennas should be installed per
manufacturer’s recommendations. Additional recommendations are as follows:
2.3.3.A.
Mount antenna on a flat metal surface or install a ground plane at least 18
inches square.
2.3.3.B.
The antenna should be well removed from any projections and the engine(s)
and propeller(s). Also, for satisfactory operation, the antenna isolation between a communications transmitter antenna and a nav receiver antenna, as
well as between dual comm antennas, should be a minimum of 30 dB. VHF
antennas mounted on top and bottom have approximately 30 dB isolation. A
horizontally polarized nav antenna and a vertically polarized comm antenna
will have practical values from 10 to 30 dB.
2.3.3.C.
If both comm antennas must be top mounted or both bottom mounted, antenna isolation between comms may not be adequate to prevent re-radiation. In
single audio panel installations, re-radiation can be prevented by use of the
XMT-REC interlock. Refer to Installation Bulletin #194. In dual audio panel
installations where simultaneous operation of both comms is desired, the
XMT-REC interlock is not recommended.
2.3.4
Cable Harness and Connector Assembly
The KY 96A, KY 97A uses a special connector that mates directly with the printed circuit board inside the unit. Assembly of the connector is as follows:
2.3.4.A.
Contact Terminal Assembly using Molex Crimper (see Figure 2-4)
2.3.4.A.1
Strip each wire 5/32 inch for contact terminal, P/N 030-01107-00XX. (The last
two digits of the part number indicates the number of terminals required).
2.3.4.A.2
Open the Molex HT 1921 hand crimper with the engraved side toward the operator. Place the conductor tab section of a contact terminal on Anvil A with
the contact portion facing away from the operator. Close the crimper slightly
until the contact tabs touch the female jaw.
2.3.4.A.3
Insert the stripped conductor until the insulation is even with the side of the
crimper facing the operator. Crimp the conductor tabs by squeezing the handles together until the jaws are fully closed or a sufficient crimp is obtained.
2.3.4.A.4
Move the lead to Anvil A. Place the insulating tab section on Anvil A. Crimp
again until the jaws are fully closed or until a sufficient crimp is obtained.
2.3.4.B.
Contact Insertion into Molex Connector Housing
After the contact terminals have been installed on the wiring harness, the contact terminals can be inserted into the proper location in the connector housing (P/N 03001094-0080). The terminal cannot be inserted upside down. Be sure to push the terminal all the way in until a click can be felt or heard. The self-locking feature can be
tested by gently pulling on the wire.
2.3.4.C.
Location of Polarizing Key in Housing
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KY 96A, KY 97A
Prior to insertion of connector into rear of unit, check polarizing key position between
contacts 8 and 9. Refer to Figure 2-6 to check correct position of polarizing key.
2.3.4.D.
Extraction of Contact from Molex Connector
2.3.4.D.1
Slip the flat narrow blade of a Molex HT-1884 contact ejector tool, P/N 04705099-0001, under the contact on the mating side of the connector. By turning the connector upside down one can see the blade slide into the stop.
2.3.4.D.2
When the ejector is slid into place, the retaining tab of the contact is raised,
allowing the contact to be removed by pulling moderately on the lead.
2.3.4.D.3
Neither the contact or position is damaged by removing a contact; however,
the contact should be visually checked before reinstalling to be certain that retaining tab “A” extends as shown in Figure 2-4 for retention in connector.
2.3.4.E.
Coax Connector
Refer to Figure 2-7 for instructions for mounting the right angle coaxial BNC connector
to the coax cable. Install the connector into the mounting rack.
2.3.5
KY 96A, KY 97A Installation
2.3.5.A.
Looking at the top of the unit, make sure the front lobe of the hold down device
is in a vertical position.
2.3.5.B.
Slide the unit into the mounting rack until the front lobe touches the mounting
rack.
2.3.5.C.
Insert a 3/32 inch Allen wrench through the hole in the front panel to engage
the locking screw. Turn clockwise until the rear lobe engages the mounting
rack. Continue turning until the unit is secure in the mounting rack. DO NOT
OVERTIGHTEN.
2.3.5.D.
To remove the unit turn the locking screw counterclockwise, using a 3/32 inch
Allen wrench, until the unit disengages from the mounting rack. Pull the unit
out of the mounting rack by pulling on the metal tabs located behind the front
panel on each side of the unit.
2.4
POST INSTALLATION CHECKS
An operational performance flight test is recommended after the installation is completed to insure satisfactory performance of the equipment in its normal environment.
Check all aircraft control movements to be sure no electrical cables interfere with their
operation. To check the communications transceiver, maintain an appropriate altitude
and contact a ground station facility at a range of at least 50 nautical miles. Then contact a ground station close in. Pull the volume control out to defeat the automatic
squelch feature and listen for any unusual electrical noise which would reduce the
comm receiver sensitivity by increasing the squelch threshold. If possible, verify the
communications capability on both the high and low end of the VHF comm band.
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KY 96A, KY 97A
CAUTION:
BEFORE FLIGHT, CHECK THE ANTENNA VSWR. THIS SHOULD BE
CHECKED WITH AN IN-LINE TYPE WATTMETER INSERTED IN THE
COAXIAL TRANSMISSION LINE BETWEEN THE TRANSCEIVER
AND THE ANTENNA. ANY PROBLEM WITH THE ANTENNA INSTALLATION WILL MOST LIKELY BE SEEN AS A HIGH REFLECTED POWER. VSWR OF 3:1 WILL RESULT IN A 25% LOSS OF POWER.
NOTE:
The LCD back lighting can be set for the most pleasing intensity by adjusting the panel lighting. See paragraph 3.6 of this manual for dim select.
2.4.1
Adjustments
The KY 96A, KY 97A are factory adjusted to accommodate typical requirements for
most aircraft configurations. However, baseline mic gain, sidetone, carrier/noise
squelch, and carrier squelch may be adjusted through the cover for specific aircraft
configurations. See Figure 2-1.
FIGURE 2-1 KY 96A, KY 97A Cover-On Adjustments
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FIGURE 2-2 KY 96A Pin Function and Location Diagram
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FIGURE 2-3 KY 97A Pin Function and Location Diagram
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FIGURE 2-4 Molex Terminal and Tools (Sheet 1 of 3)
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FIGURE 2-4 Molex Terminal and Tools (Sheet 2 of 3)
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FIGURE 2-4 Molex Terminal and Tools (Sheet 3 of 3)
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FIGURE 2-5 KY 96A, KY 97A Outline and Mounting Drawing
(Dwg No 155-05666-0001 Rev AB)
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FIGURE 2-6 KY 96A, KY 97A Installation Assembly Drawing
(Dwg No 155-05690-0000 Rev 4)
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FIGURE 2-7 Connector (P/N 030-00101-0002 R-9) Assembly
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THIS PAGE RESERVED
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FIGURE 2-8 KY 96A interconnect
(Dwg No 155-01583-0000 Rev AA)
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FIGURE 2-9 KY 97A interconnect
(Dwg No 155-01583-0001 Rev AA)
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FIGURE 2-10 Dual KY 96A interconnect
(Dwg No 155-01584-0000 Rev AA)
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FIGURE 2-11 Dual KY 97A interconnect
(Dwg No 155-01584-0001 Rev AA)
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FIGURE 2-12 Dual KY 96A with KA 25A interconnect
(Dwg No 155-01585-0000 Rev AA)
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FIGURE 2-13 Dual KY 97A with KA 25A interconnect
(Dwg No 155-01585-0001 Rev AA)
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SECTION III
OPERATION
3.1
POWER ON UNIT
To power on the unit, rotate the Volume (VOL) knob clockwise from the OFF position.
When power is activated the Use and Standby (STBY) windows will display the frequencies and/or mode stored in the non-volatile memory before power down. After activating power, pull the VOL knob out to override the automatic squelch and rotate the
VOL knob to the desired audio level. Push the VOL knob back in to activate the automatic squelch.
CAUTION:
3.2
THE KY 96A, KY 97A SHOULD BE POWERED ON ONLY AFTER ENGINE STARTUP. THIS IS A SIMPLE PRECAUTION WHICH HELPS
PROTECT THE SOLID STATE CIRCUITRY AND EXTENDS THE OPERATING LIFE OF YOUR AVIONICS EQUIPMENT.
TRANSMIT INDICATOR
During Comm transmissions, a TX will appear between the USE and STBY windows
to indicate that the transceiver is in the Transmit mode of operation.
3.3
3.3.A.
MODES OF OPERATION
Frequency Mode
Frequency selection is accomplished in the Standby Entry mode by changing the frequency display in the STBY window of the display with the tuning knobs, and then
transferring the selected frequency into the USE window by pressing the Transfer button. The larger tuning knob will increment or decrement the MHz portion of the display
in 1 MHz steps with rollover at each band edge (118.000 MHz or 135.975 MHz). The
smaller tuning knob will increment or decrement the kHz portion of the display in 50
kHz steps with the knob pushed in or in 25 kHz steps with the knob pulled out. While
in the Standby Entry mode, the transceiver remains tuned to the frequency displayed
in the USE window at all times.
NOTE:
3.3.B.
Extended Frequency units will rollover at 118.000 and 136.975 MHz.
Channel Mode
Momentarily pressing the Channel (CHAN) button while in the Frequency mode puts
the radio in the Channel mode. The last active frequency remains tuned and displayed
in the USE window. The last used channel number is displayed in the channel digit
unless no channels have been programmed, in which case the radio defaults to Channel 1 and dashes are displayed in the STBY window. Turning either tuning knob
changes the channel number and corresponding frequency in the STBY window. The
channels will only increment and decrement to channels that have been programmed.
If there has been no activity for five seconds the radio will return to Frequency mode
and the channel frequency is placed in the STBY window. Pressing the CHAN button
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before the five second delay is completed will return the radio to the Frequency mode
and the status of the Frequency mode prior to entering Channel mode remains the
same.
When in Channel mode, pressing the Transfer button will return the radio to Frequency
mode. The channel frequency will become the new USE frequency and the last USE
frequency will become the new STBY frequency. If the radio was in Direct Tune mode
(see paragraph 3.3.E below) prior to entering Channel mode, pressing the Transfer
button or allowing the radio to time out will bring it back to Standby Entry.
3.3.C.
Program Mode
The Program mode is entered by pressing and holding the CHAN button for longer
than two seconds. The last active frequency remains tuned and displayed in the USE
window. The last used channel is displayed when Program mode is entered. The
channel number flashes and turning either tuning knob changes the channel number.
Pressing the Transfer button will cause the frequency associated with that channel to
flash. The tuning knobs then work as in the Frequency mode, except that between the
rollover points (118.XX and 135.XX or 136.XX) dashes are displayed. These dashes
are used to de-program channels, and to display a channel that is unprogrammed.
When the channel frequency is flashing, pressing the Transfer button will cause the
frequency to stop flashing and the channel number to start flashing at which time a
new channel may be selected for programming.
3.3.D.
Program Secure Mode
Program Secure mode is used to secure or lock the frequency that is assigned to a
channel so that the frequency assigned to that channel cannot be changed. All channels or individual channels can be Program Secured. The following list of operations
is given to Program Secure or Un-Program Secure a channel:
To Program Secure a Channel
* Hold the CHAN button in for more than 2 seconds (Program mode).
* Momentarily press the Transfer button (flashing frequency).
* Change channel frequency to desired Program Secured frequency.
* Ground the Program Secure pin (TP 701).
* Momentarily press the Transfer button (Flashing channel number).
* Unground the Program Secure pin.
To Un-Program Secure a Channel
* Hold the CHAN button in for more than 2 seconds (Program mode).
* Ground the Program Secure pin (TP 701).
* Momentarily press the Transfer button (flashing frequency).
* Unground the Program Secure pin.
* Momentarily press the Transfer button (Flashing channel number).
3.3.E.
Direct Tune Mode
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The Direct Tune mode is entered from the Standby Frequency Entry mode or Channel
mode by pushing the Transfer button for longer than 2 seconds. The tuning knobs operate as in Standby Frequency Entry, but will change the USE frequency, rather than
the STBY frequency. The radio will be tuned to the Active frequency.
Momentarily pushing the Transfer button returns the radio to Standby Frequency Entry. The Standby frequency prior to Active Entry mode remains unchanged.
3.4
REMOTE FREQUENCY TRANSFER (J96A pin 11 or J97A pin 12)
The Remote Frequency Transfer button operates identically to the front panel Transfer
button with the exception that holding the Remote Transfer button for two seconds
does not place the radio in the Active Entry mode.
3.5
REMOTE CHANNEL INCREMENT (J96A, J97A pin L)
Pressing the Remote Channel button will cause the system to enter the Channel mode
of operation and will increment the channel from the previous channel number used.
3.6
DIM SELECT (J96A, J97A pin A)
When Dim Select is in the open position, display backlight dimming will track a 14 V
lighting bus. When Dim Select is connected to ground the display backlight brightness
tracks or follows a 28 V lighting bus. When Dim Select is connected to the aircraft supply voltage the display backlighting will be at half brightness.
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FIGURE 3-1 KY 96A, KY 97A Controls
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APPENDIX E
ENVIRONMENTAL QUALIFICATION FORMS
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FIGURE E-1 KY 96A Environmental Qualification Form
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FIGURE E-2 KY 97A Environmental Qualification Form
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