N335 Series Audio Controllers

N335 Series Audio Controllers
SPECIAL NOTICE
This product is now licensed to Anodyne Electronics Manufacturing (AEM) from Northern
Airborne Technology (NAT). AEM is responsible for all matters related to this product, including
sales, support and repair services.
Please note the transition to convert product manuals and supporting documentation is an
ongoing process and is being addressed on an ‘as needed’ basis.
All references to NAT product part numbers (and associated images) are equivalent to AEM
product part numbers.
Contact info:
Anodyne Electronics Manufacturing Corp.
#15-1925 Kirschner Road
Kelowna B.C. Canada
V1Y 4N7
Email: support@aem-corp.com
Toll Free: 1-888-763-1088
Phone: 1-250-763-1088
Fax: 1-250-763-1089
www.aem-corp.com
SM46
N335 Series
Audio Controllers
INSTALLATION AND OPERATION MANUAL
Rev: 2.00 May 18, 2012
Anodyne Electronics Manufacturing Corp.
15-1925 Kirschner Road
Kelowna, BC, Canada.
V1Y 4N7
Telephone (250) 763-1088
Facsimile (250) 763-1089
Website: www.aem-corp.com
© 2012 Anodyne Electronics Manufacturing Corp. (AEM),
All Rights Reserved
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
COPYRIGHT STATEMENT
© 2012 Anodyne Electronics Manufacturing Corp. (AEM), All Rights Reserved
This publication is the property of AEM and is protected by Canadian copyright laws. No part of
this
document may be reproduced or transmitted in any form or by any means including electronic,
mechanical, photocopying, recording, or otherwise, without the prior written permission of AEM.
Installation and Operation Manual
Page ii
ENG-FORM: 820-0100.DOTX
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N335 Series Audio Controller
SM46 Installation and Operation Manual
Prepared By:
Checked By:
Tony Pearson
Designer
May 18, 2012
Approved By:
Tom Betzelt
Product Support
Manager
June 26, 2012
Loen Clement
Designer
Jun 26/12
The status of this installation and operation manual is controlled by the revision shown on the title page.
The status of each section is controlled by revision shown in the footer of each page. All revisions
affecting sections of this manual have been incorporated.
Manual Issue
Number
4.21
ISSUE/REVISION RECORD
Section
Revision Description
Revision Number
Section 1 Rev: 1.00
New Format
Section 2 Rev: 1.00
Section 3 Rev: 1.00
Issue Date
Apr 14, 2009
AEM MANUAL REVISIONS
Section
Revision Number
Revision Description
Date
All
Rev 2.00
Updated template
May 18, 2012
Installation and Operation Manual
Page iii
ENG-FORM: 820-0100.DOTX
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N335 Series Audio Controller
SM46 Installation and Operation Manual
Table of Contents
Section
Title
1.0
Description
1.1
1.2
1.3
1.4
1.4.1
1.4.2
1.4.3
1.4.4
1.5
Introduction
Product Description
Design Features
Specifications
Electrical Specifications
Physical Specifications
Environmental Specifications
Product Approval
Unit Nomenclature
2.0
Installation
2.1
2.2
2.2.1
2.3
2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.5
2.5.1
2.5.2
2.5.3
2.6
2.7
Introduction
Unpacking and Inspection
Warranty
Continued Airworthiness
Installation Procedures
Warnings
Cautions
Cabling and Wiring
Tie Lines
Mechanical Mounting
Post Installation Checks
Adjustments and Connections
Left side Adjustments
Right Side Adjustments
Adjustment Options
Accessories Required But Not Supplied
Installation Drawings
3.0
Operation
3.1
3.2
3.3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
Introduction
General Information
Controls and Indicators
Receiver Input Controls (N335-001 and -201 only)
Transceiver Input Controls
Transmit Selection
Emergency Switch
CALL
Miscellaneous Controls
Installation and Operation Manual
Page
1-1
1-1
1-1
1-2
1-2
1-5
1-6
1-6
1-6
2-1
2-1
2-1
2-1
2-1
2-2
2-2
2-3
2-3
2-3
2-4
2-5
2-5
2-5
2-5
2-6
2-6
3-1
3-1
3-1
3-2
3-2
3-3
3-3
3-4
3-4
Page iv
ENG-FORM: 820-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
Section 1.0 Description
1.1
Introduction
Information in this section consists of product description, design features and specifications for N335001, N335-002, N335-201, and N335-202 Audio Controllers. All derivative product information shall be
contained in the applicable manual supplement, which may be obtained from AEM as required. Review
all notes, warning and cautions.
1.2
Purpose of Equipment
The N335 audio controllers are compatible with military and civil aviation headsets. The N335 controls the
audio from multiple receivers, and allows transmission of mic audio to a selected transmitter. VOX intercom
operation is also proved on a proprietary tie line to multiple units. A fully redundant backup system is selectable
from the front panel, and a CVR output is provided.
1.3
Design Features
The N335 is a Dzus rail mounted audio controller with various faceplate lighting options. The N335 has a
composite Radio Audio output to provide monitoring capabilities for additional users. It can be configured
in the field to suit various commercial and military headsets, and microphone outputs. Receive Audio
inputs and Direct Audio inputs are adjustable to suit installation requirements. Emergency mode
operation provides switching to a fully redundant back-up system that provides full performance. A front
panel annunciator provides indication that the EMER mode is active.
N335-001
The N225-001 Audio Controller has a NVIS Green ‘A’ lighted front panel. It
provides radio transmit and receive audio select capability for the cockpit position.
It will support four microphone types a standard – dynamic 5-ohm, dynamic 75ohm, dynamic 150-ohm and amplified dynamic 150-ohm types. It provides NAT
ICS tie line capability from 1 to 4 loads. Transmit capability is provided for two
users (user 1 and user 2), and an annunciator on the front panel indicates
transmit status. It provides common intercom functions for up to two headset
stations, and allows for intercom capability to other audio controllers via an ICS
Tie Line. A CALL annunciator advises the operator that other users in the system
need to communicate, if they are in an ‘isolate’ mode.
N335-002
The N335-002 Audio Controller has an NVIS Green ‘A’ lighted front panel. It
provides radio transmit and receive audio select capability for the Crew position.
The crew position is restricted in its radio capability to the ‘communication’ radios.
It also provides common intercom functions for up to two headset stations, and
allows intercom capability to other audio controllers via the ICS Tie Line. A CALL
switch allows the operator to signal other users in the system that they need to
communicate, if they are in an ‘isolate’ mode.
May 18, 2012 Rev: 2.00
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N335 Series Audio Controller
SM46 Installation and Operation Manual
N335-201
The N335-201 Audio Controller is identical to the N335-001, but with ‘deadfront’
CALL, EMEER and TX text annunciators on the front panel. It will support only
two microphone types as standard – dynamic 5 ohm and amplified-dynamic 150
ohm. It provides NAT ICS tie line capability from 2 to 4 loads, with one switch
position functioning to enable Super NAT ICS tie line operation, which maintains
the rated output level independent of the number of units connected to the tie
line. It may be configured to provide auto emergency power mode switchover,
ICS tie line muting during transmit, and pilot over copilot transmit priority.
N335-202
The N335-202 Audio Controller is identical to the N335-002, but with ‘deadfront’
text annunciators on the front panel. It will support only two microphone types as
standard – dynamic 5-ohm and amplified dynamic 150 ohm. It provides NAT ICS
tie line capability from 2 to 4 loads, with one switch position functioning to enable
Super NAT ICS tie line operation, which maintains the rated output level
independent of the number of units connected to the tie line. It may be
configured to provide auto emergency power mode switchover, ICS tie line
muting during transmit, and pilot over co-pilot transmit priority.
1.4
Specifications
1.4.1
Electrical Specifications
Power Supply:
Multiple switchers and linear regulators with reverse and
over voltage protection.
Normal Operating Conditions:
Nominal Operating Voltage:
Maximum Operating Voltage:
Minimum Operating Voltage:
Emergency Operating Voltage:
27.5 Vdc
30.3 Vdc
24.8 Vdc
10.0 Vdc
Other:
Lighting:
N335-001
N335-002
N335-201
N335-202
400 mA @ 27.5 Vdc max.
300 mA @ 27.5 Vdc max
550 mA @ 27.5 Vdc max
425 mA @ 27.5 Vdc max
Input current:
N335-001/002
N335-201/202
500 mA @ 27.5 Vdc max
750 mA @ 27.5 Vdc max
Input Signals:
Quantity:
May 18, 2012 Rev: 2.00
15 Receive channels (N335-001 and -201)
8 Receive channels (N335-002 and -202)
2 Mic channels
6 Direct channels
1 Call annunciator (N335-001 and -201)
2 transmit PTT key inputs
2 ICS PTT key inputs
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N335 Series Audio Controller
SM46 Installation and Operation Manual
1 – 10 Vrms for receiver inputs
(Internally selectable gain switches)
Audio level:
1 – 10 Vrms for direct inputs
(Internally selectable gain switches)
0.25 Vrms for Amplified 150 : mic input
1.1 mVrms for Dynamic 150 : mic input
(N335-001 and -002 only)
0.850 mVrms for Dynamic 75 : mic input
(N335-001 and -002 only)
0.250 mVrms for Dynamic 5 : mic input
Transmit PTT (-00x)
(-20x)
<10 mA input current, active low (3 Vdc max.)
<75 mA input current, active low (3 Vdc max.)
ICS PTT
<25 mA input current, active low (3 Vdc max.)
<25 mA input current, active low (3 Vdc max.)
(-00x)
(-20x)
CALL annunciator (-001 only)
CALL annunciator (-201 only)
<10 mA input current, active low (3 Vdc max.)
<50 mA input current, active low (3 Vdc max.)
Impedance:
1 k: r10% for Receive and Direct inputs
150 : r10% for Amplified-dynamic 150 : mic input
150 : r10% for Dynamic 150 : mic input
(N335-001 and -002 only)
75 : r10% for Dynamic 75 : mic input
(N335-001 and -002 only)
5 : r2 : for Dynamic 5 : mic input
(N335-001 and -002 only)
5 : r2 : for Dynamic 5 : mic input
(N335-001 and -002 only)
Circuitry Type:
All audio inputs are balanced except for the 150 :
amplified dynamic mic input
Coupling:
< -60 dB input to input crosstalk
Output Signals:
Quantity:
May 18, 2012 Rev: 2.00
2 Phones outputs
8 Transmitter mic outputs (N335-001 and -201 only)
7 Transmitter mic outputs (N335-001 and -201 only)
8 Transmitter keyline outputs(N335-001 and -201 only)
7 Transmitter keyline outputs(N335-001 and -201 only)
1 CVR output
1 Composite Receive Audio output
1 CALL switch output (N335-002 and -202 only)
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N335 Series Audio Controller
SM46 Installation and Operation Manual
Rated level:
>15.5 Vrms or 400 mW for 600 : phones output
>7.7 Vrms or 400 mW for 150 : phones output
>1.8 Vrms or 400 mW for 8 : phones output
0.1 -1 Vrms for TX Mic output (250 mVrms nominal)
>450 mVrms into 5 k: for CVR output with TX selector
set to IC, or ICS VOL control fully ccw (>70 mVrms into
5 k: for other TX selector / ICS VOL control positions).
> 2.5 Vrms to 600 : Composite Receive output
1 A / 0.5 : max Transmitter keyline output
100 mA max sink current for CALL switch output.
(N335-001 and -002 only)
Rated Impedance:
100 : r10% for TX Mic output
5 k: r10% for CVR output
600 : r10% for Composite Receive output
Circuitry Type:
Phones, CVR, Microphone and Composite RX outputs are
transformer outputs
The CVR output is composed of both mic inputs and user #1
phones output
Frequency Response:
Headphone Outputs:
Receive inputs
Direct inputs
Intercom
TX Mic output:
CVR output:
SuperNAT input:
<3 dB from 350 Hz to 6000 Hz
<3 dB from 350 Hz to 6000 Hz
<3 dB from 350 Hz to 3000 Hz
<3 dB from 350 Hz to 6000 Hz
<3 dB from 350 Hz to 3000 Hz
(N335-20x only)
All other inputs
<3 dB from 350 to 6000 Hz
Composite RX output: <3 dB from 350 to 6000 Hz
Distortion:
< 4% THD @ Rated power output
Audio Noise Level Without Signal:
> 60 dB down from rated output
Coupling:
< -55 dB input to output crosstalk
Output Regulation at 400% and 75% of rated load:
< 10% distortion / '7 dB max. of rated output power
May 18, 2012 Rev: 2.00
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N335 Series Audio Controller
SM46 Installation and Operation Manual
Bi-directional:
Quantity:
1 ICS tie channel*
Rated level:
340 ±50 mVrms for NAT ICS tie (1 load)
(N335-001 and -002 only)
230 ±40 mVrms for NAT ICS tie (2 loads)
170 ±30 mVrms for NAT ICS tie (3 loads)
135 ±20 mVrms for NAT ICS tie (4 loads)
1.2 ±0.2 Vrms for SuperNAT ICS tie (2-4 loads)
(N335-201 and -202 only)
1.8 k: r10% for NAT ICS tie input
Rated Impedance:
1.8 k: r10% for SuperNAT ICS tie
(N335-201 and -202 only)
Circuitry Type:
Balanced
*Default configuration is NAT ICS tie – 4 loads (135 ± 20 mVrms, 1.8 k: ± 10%)
Annunciators:
(N335-00x)
CALL LED illuminates when activated (N335-001 only)
EMER LED illuminates when activated
TX LED illuminates when activated
(N335-20x)
CALL annunciator text illuminates when activated
EMERG annunciator text illuminates when activated
TX annuciator text illuminates when activated
Dimming Threshold:
(N335-00x)
(N335-20x)
1.4.2
Height
Depth
Width
Weight
5.25 r1.5 Vdc (+28 VDC LIGHTS input)
11.5 ±3.25 Vdc (+28 VDC LIGHTS input)
Physical Specifications
N335-001
3.4” (87 mm)
6.2” (158 mm)
5.0” (127 mm)
3.5 lbs (1.6 kg)
N335-002
2.63” (67 mm)
6.2” (158 mm)
5.0” (127 mm)
2.9 lbs (1.3 kg)
N335-201
3.4” (87 mm)
6.2” (158 mm)
5.0” (127 mm)
3.6 lbs (1.6 kg)
N335-202
2.63” (67 mm)
6.2” (158 mm)
5.0” (127 mm)
3.0 lbs (1.4 kg)
Mounting
(N335-001/-201)
(N335-002/-202)
Dzus Rail, four fasteners
2.25” vertical spacing
1.5” vertical spacing
Faceplate
(N335-00x)
(N335-20x)
Laser-engraved acrylic edge lit panel NVIS green ‘A’
NVIS green ‘A’ Friendly
NVIS green ‘A’ Compliant
May 18, 2012 Rev: 2.00
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Finish/Material
(N335-00x)
Chassis – 5052-H32 brushed aluminum with conversion
coating finish
Cover is 1100-H19 aluminum with anodized black
lettering
(N335-20x)
Connectors
Chassis and cover are 5052-H32 brushed aluminum with
conversion coating finish
One male 50-pin filtered D-subminiature connector
utilizing lock posts
One male 50-pin and one male 15-pin filtered
D-subminiature connector utilizing jack posts
Installation kit
1.4.3
1.4.4
Compliance:
1.5
N335-IKC (D50S50S15SL-IKC)
Environmental Specifications
Operating Temperature
-45q C. to +70q C
Survival Temperatures
-55q C. to +85q C
Vibration/Shock
DO-160C Cat. N/P
Humidity
95%
Altitude
35,000 feet max
Product Approval
N335-00x
DO-160C Env. Cat. C4 –BB[NP]XXXXFXABABXVAXXX
N335-20x
DO-160C Env. Cat. C4 –BB[NP]XXXXFXABABZVAXXX
Unit Nomenclature
N335-001
May 18, 2012 Rev: 2.00
14 user-adjustable receive audio level controls
Support for two users
ICS Call annunciation
Composite receive audio output
High Crosstalk filtering
Complete redundant Emergency circuit
Suitable for High or Low impedance systems
8 TX selections
6 direct inputs
3 ICS modes – LIVE/KEYED/VOX
CVR output
NVIS friendly with LED annunicators
Page 1-6
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N335 Series Audio Controller
SM46 Installation and Operation Manual
N335-002
7 user-adjustable receive audio level controls
Support for two users
ICS Call annunciation
Composite receive audio output
High Crosstalk filtering
Complete redundant Emergency circuit
Suitable for High or Low impedance systems
7 TX selections
6 direct inputs
3 ICS modes – LIVE/KEYED/VOX
CVR output
NVIS friendly with LED annunciators
N335-201
14 user-adjustable receive audio level controls
Support for two users
ICS Call annunciation
Composite receive audio output
High Crosstalk filtering
Complete redundant Emergency circuit
Suitable for High or Low impedance systems
8 TX selections
6 direct inputs
3 ICS modes – LIVE/KEYED/VOX
CVR output
SuperNAT ICS tie
Selectable Auto-Emergency mode
Tie-line muting during TX
Pilot TX priority
NVIS compliant with dead front text annunciators
N335-202
7 user-adjustable receive audio level controls
Support for two users
ICS Call annunciation
Composite receive audio output
High Crosstalk filtering
Complete redundant Emergency circuit
Suitable for High or Low impedance systems
7 TX selections
6 direct inputs
3 ICS modes – LIVE/KEYED/VOX
CVR output
SuperNAT ICS tie
Selectable Auto-Emergency mode
Tie-line muting during TX
Pilot TX priority
NVIS compliant with dead front text annunciators
End of Section 1.0
May 18, 2012 Rev: 2.00
Page 1-7
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N335 Series Audio Controller
SM46 Installation and Operation Manual
Section 2.0 Installation
2.1
Introduction
Information in this section consists of unpacking and inspection procedures, installation procedures, postinstallation checks and installation drawings for the N335 Series Audio Controller.
Review all notes, warnings and cautions.
2.2
Unpacking and Inspection
Unpack the equipment carefully. Inspect the unit visually for damage due to shipping and report all such
claims immediately to the carrier involved. Note that each unit should have the following:
- N335 Series Audio Controller
- Product Information Card
- Certificate of Conformity or Release certification
Verify that all items are present before proceeding and report any shortage immediately to your supplier.
2.2.1
Warranty
All Anodyne Electronics Manufacturing Corp. (AEM) products are warranted for 2 years. See the website
www.aem-corp.com/warranty for complete details.
2.3
Continued Airworthiness
Maintenance of the N335 Dual User Audio Controllers is ‘on condition’ only. Periodic maintenance of
these products is not required.
2.4
Installation Procedures
Installation Notice
The installation requirements for this product are subject to change without notice. This may affect wiring,
cable and connector configurations. The factory must be consulted for the latest product installation
requirements. All risk associated with this equipment installation contrary to the factory instructions shall
be the responsibility of the end user or installing agency.
May 18, 2012 Rev: 2.00
Page 2-1
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2.4.1
Warnings
WARNING:
High volume settings can cause hearing damage.
Set the headset volume control to the minimum volume setting prior to
conducting tests, and slowly increase the headset volume to a
comfortable listening level.
2.4.2
Cautions
CAUTION:
Do not remove components from the product while the unit is turned on. This
could cause damage to the component or unit.
Do not bundle any lines from this unit with transmitter coax lines. Do not
bundle any logic, audio, or DC power lines from this unit with 400 Hz synchro
wiring or AC power lines. Do not position this unit next to any device with a
strong alternating magnetic field such as an inverter, motor or blower, or
significant audio interference will result.
In all installations, use shielded cable exactly as shown, and ground as indicated.
Significant problems may result from not following these guidelines.
All audio installations can be seriously degraded by incorrect wiring and shielding, and
may result in abnormal cross-talk, hum and ground-loop noise. Be especially careful
with all microphone wiring and tie line wiring, as these lines carry the lowest level
signals in the aircraft.
The intercom tie lines should also be properly terminated with either the
appropriate number of additional units, or with a load resistor. See section
2.4.4, Tie Lines.
In all installations that use the Dynamic microphone capability of the N335,
extreme care must be taken with the shielding and routing of the microphone
wiring. This is especially true of the 5-ohm Dynamic mic input, where typical
signals are in the range of 100-250 μVrms. Special wire with Mumetal
shielding should be considered if there are any concerns about installationrelated noise. Do not bundle the microphone wiring with high-level lines
(headphone, radio audio, coaxial cables, etc.).
Headset and/or helmet wiring may also need to be reviewed if using Dynamic
microphones. Many of the headsets and helmets on the market have minimal
shielding for the wiring associated with the mic and phone circuits. Those with
shielded wiring often use the Phone Lo connection for the shield ground. In the
N335, the Phone Lo connection is not ground referenced, so the shielding has
no effect. This will result in substantial coupling of the Phone signal onto the
Microphone wires, leading to high levels of crosstalk in the intercom system.
These shielding considerations also apply to in-line PTT cordsets. If a review
of the headset wiring indicates there will be a problem with the shield
termination, it is acceptable to ground the Phone Lo connection to a local
ground at the headset jack/connector.
May 18, 2012 Rev: 2.00
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2.4.3
Cabling and Wiring
All wire shall be selected in accordance with the original aircraft manufacturer's Maintenance Instructions
or AC43.13-1B Change 1, Paragraphs 11-76 through 11-78. Unshielded wire types shall qualify to
MIL-W-22759 as specified in AC43.13-1B Change 1, Paragraphs 11-85, 11-86, and listed in Table 11-11.
For shielded wire applications, use Tefzel MIL-C-27500 shielded wire with solder sleeves (for shield
terminations) to make the most compact and easily terminated interconnect. Follow the connector map in
Section 2.7 as required.
Allow 3" from the end of the shielded wiring to the shield termination to allow the connector hood to be
easily installed. Reference the interconnect drawing in Section 2.7 for shield termination details. Note that
the hood is a "clamshell" hood, and is installed after the wiring is complete. Aircraft harnessing shall
permit the unit to be removed from the panel for easy access to all side adjustments. Do NOT mount the
unit until all adjustments have been performed.
Maintain wire segregation and route wiring in accordance with the original aircraft manufacturers
Maintenance Instructions.
Unless otherwise noted, all wiring shall be a minimum of 22 AWG, except power and ground lines, which
shall be a minimum of 20 AWG. Reference the Interconnect drawing for additional specifications. Check
that the ground connection is clean and well secured, and that it shares no path with any electrically noisy
aircraft accessories such as blowers, turn and bank instruments or similar loads. Power to this unit must
be supplied from a separate circuit breaker or fuse (fast blow), and not attached to any other circuit
breaker without additional protection. Verify that the selected circuit breaker size and wire gauge are
adequate for the installation using the techniques specified in AC43.13-1B Change 1, Paragraphs 11-47
through 11-51 and 11-66 through 11-69.
2.4.4
Tie Lines
2.4.4.1
N335-001/-002
When no other unit is to be connected to the tie-line, set the ICS TIE ADJUST switch to the '1 NAT LOAD'
position (position 1), and connect a 1.8 k:resistor between the ICS TIE HI and ICS TIE LO lines (refer to
the appropriate drawings listed in section 2.7).
2.4.4.2
N335-201/-202
When no other units are to be connected to the tie-line, set the SUPER TIE SELECT switch to the 'NAT
TIE' position (position 0), set the NAT TIE SELECT switch to the '2 NAT LOADS' position (position 1), and
connect a 910 :resistor between the ICS TIE HI and ICS TIE LO lines (refer to the appropriate drawings
listed in section 2.7).
2.4.5
Mechanical Mounting
The N335 can be mounted vertically or horizontally in standard Dzus rails.
Before the unit is mounted, make all functional tests, and trimpot adjustments. Be sure the harness has
enough clearance to permit the unit to be pulled out for re-adjustment, if needed later. Make sure unit is
securely fastened to the Dzus rail, and that the connector locks are tightened before any flight is
attempted.
May 18, 2012 Rev: 2.00
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2.4.6
Post Installation Checks
WARNING:
High volume settings can cause hearing damage.
Set the headset volume control to the minimum volume setting prior to
conducting audio tests, and slowly increase the headset volume to a
comfortable listening level.
2.4.6.1
Voltage/Resistance Checks
These instructions apply to all N335 models unless otherwise indicated. Do not attach the N335 until the
following conditions are met.
Check the following:
a)
P102 pins <1>, <2> and <8> for +28 Vdc relative to ground.
b)
P102 pins <3>, <9>, <10> and <11> for continuity to ground.
2.4.6.2
Power On Checks
Power up the aircraft’s systems and confirm normal operation of all functions of the N335. Refer to
Section 3 (Operation) for specific operational details.
a)
Turn on the radios and accessories required for the system.
b)
Check for correct radio audio and adjust for acceptable level.
c)
Run through all installed functions, and check the ICS and TX functions for all users. Refer to
Section 3 for specific operation details.
Notes:
Significantly different headsets may have different mic characteristics.
The David Clark M-7 mic is much more active than the M-4 or M-1 mics, and may
aggravate headset imbalance if used in a mixed system.
d)
If any preset requires adjustment, be sure this is carried out before the aircraft leaves, and that
the unit and its mating connector are secured before departure. Make all required log book
entries, electrical load, weight and balance amendments and other paperwork as required by your
local regulatory agency.
Note:
The unit is shipped from the factory with all internal adjustments set to the normal test levels. Once
installed in the aircraft, it may be desirable to change some of these settings to best suit the local
operating environment. See Section 2.5 for adjustment information.
Upon satisfactory completion of all performance checks, make all required log book entries, electrical
load, weight and balance amendments and other documentation as required by your local regulatory
agency before releasing the aircraft for service.
May 18, 2012 Rev: 2.00
Page 2-4
ENG-FORM: 805-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
2.5
Adjustments and Connections
The internal adjustments that can be varied are located along the sides of the unit (refer to the drawings
listed below, where xxx refers to the specific unit). The cover must be removed to access the necessary
switches and trimpots. On the drawings, an asterisk (*) against the relevant values indicates the factory
settings.
2.5.1
Left side Adjustments
Refer to the relevant drawing (N335\xxx\404-0) for all adjustments.
2.5.2
Right Side Adjustments
Refer to the relevant drawing (N335\xxx\404-1) for all adjustments.
2.5.3
Adjustment Options
The available adjustments are listed below. The locations and options may vary from model to model;
check the appropriate drawing (sections 2.5.1 and 2.5.2) for the unit under consideration. Some of these
adjustments, indicated by an asterisk (*), are available on the N335-2xx models only.
NAT Tie Select / ICS Tie Adjust: selects the gain of the intercom channel for incoming ICS tie audio to
match the number of units connected to the tie line.
*Super Tie Select: selects the gain of the intercom channel for outgoing ICS tie audio to maintain the
rated O/P level independent of the number of units connected to the tie line.
RX Input Level: selects the input level for each RX input to match the radio output level.
TX Mic Output: provides for adjustment of each TX mic output to match the radio mic input requirements.
LS Volume Adjust: provides for adjustment of the loudspeaker volume level.
CVR Adjust: provides for adjustment of the CVR audio output level.
VOX Delay Adjust: provides for adjustment of the VOX delay associated with the #1 and #2 microphone
circuits.
MIC/MIC Impedance: provides for adjustment of microphone gain, input impedance, and bias.
ALC: provides for adjustment of the automatic level control set point associated with the #1 and #2
microphone circuits.
Output Impedance: provides for adjustment of phones output impedance associated with the #1 and #2
headphone circuits.
*Auto Emergency: provides for selection of automatic emergency power switchover.
*Tie Line Mute: provides for selection of incoming tie line audio muting during transmit.
*PLT TX Priority: provides for selection of user #1 priority over user #2 during transmit.
May 18, 2012 Rev: 2.00
Page 2-5
ENG-FORM: 805-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
2.6
Accessories Required But Not Supplied
Installation kit p/n N335-IKC (crimp) is required to complete the installation. The kit (AEM Part No.
D50S50S15SL-IKC) consists of 2 x D50SL-IKC and 1 x D15SL-IKC.
D50SL-IKC consists of:
Quantity
Description
AEM Part No
1
50
1*
1*
1
D-min 50 Socket Housing
MS Crimp Socket
Jack Screw Set
Lock Clip Set
50 Pin Connector Hood
20-21-050
20-26-901
20-27-002
20-27-004
20-29-051
Quantity
Description
AEM Part No
1
15
1*
1*
1
D-min 15 Socket Housing
MS Crimp Socket
Jack Screw Set
Lock Clip Set
15 Pin Connector Hood
20-21-015
20-26-901
20-27-002
20-27-004
20-29-015
D15SL-IKC consists of:
* Use as required.
2.7
Installation Drawings
DRAWING
N335-001
N335\001\403-0
N335\001\403-1
N335\001\403-2
N335\001\404-0
N335\001\404-1
N335\001\405-0
N335\001\905-0
N335\001\922-0
REV.
DESCRIPTION
1.01
1.01
1.01
1.00
1.00
1.01
1.00
1.00
Dual User Audio Controller
Dual User Audio Controller
Dual User Audio Controller
Left Side View
Right Side View
Dual User Audio Controller
Audio Controller
Audio Controller
Interconnect
Interconnect
Interconnect
Options
Options
Connector Map
Faceplate
Mechanical Installation
1.01
1.01
1.01
1.10
1.00
1.01
1.00
1.10
Dual User Audio Controller
Dual User Audio Controller
Dual User Audio Controller
Left Side View
Right Side View
Dual User Audio Controller
Audio Controller
Audio Controller
Interconnect
Interconnect
Interconnect
Options
Options
Connector Map
Faceplate
Mechanical Installation
N335-002
N335\002\403-0
N335\002\403-1
N335\002\403-2
N335\002\404-0
N335\002\404-1
N335\002\405-0
N335\002\905-0
N335\002\922-0
May 18, 2012 Rev: 2.00
TYPE
Page 2-6
ENG-FORM: 805-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
DRAWING
REV.
DESCRIPTION
TYPE
N335-201
N335\201\403-0
N335\201\403-1
N335\201\403-2
N335\201\404-0
N335\201\404-1
N335\201\405-0
N335\201\905-0
N335\201\922-0
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Audio Controller
Audio Controller
Audio Controller
Left Side View
Right Side View
Audio Controller
Audio Controller
Audio Controller
Interconnect
Interconnect
Interconnect
Options
Options
Connector Map
Faceplate
Mechanical Installation
N335-202
N335\202\403-0
N335\202\403-1
N335\202\403-2
N335\202\404-0
N335\202\404-1
N335\202\405-0
N335\202\905-0
N335\202\922-0
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
Audio Controller
Audio Controller
Audio Controller
Left Side View
Right Side View
Audio Controller
Audio Controller
Audio Controller
Interconnect
Interconnect
Interconnect
Options
Options
Connector Map
Faceplate
Mechanical Installation
Section 2.0 ends following above documents
May 18, 2012 Rev: 2.00
Page 2-7
ENG-FORM: 805-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
ON
EMER
NORM
NAV1
NAV2
DME1
0
VHF1
0
VHF2
0
0
0
0
DME2
0
ADF
0
FM1
UHF
0
RX SEL
MKR
0
0
FM3
FM2
0
DF
0
GSM
0
FM2
FM1
FM3
UHF
GSM
VHF2
LS
TX
VHF1
IC
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
NAV1
NAV2
DME1
0
VHF1
0
VHF2
0
0
0
0
DME2
0
ADF
0
FM1
UHF
0
RX SEL
MKR
DF
FM3
0
GSM
0
FM2
0
0
0
FM2
FM1
FM3
GSM
UHF
VHF2
LS
TX
VHF1
IC
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
EMER
NORM
VHF1
0
VHF2
0
FM1
FM2
0
0
FM3
0
VHF2
0
EMER
FM3
FM1
DF
0
RX SEL
FM2
AUX
NORM
AUX
LS
IC
TX
VHF1
CALL
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
VHF1
0
VHF2
0
FM1
FM2
0
0
FM3
0
VHF2
0
EMER
FM3
FM1
DF
0
RX SEL
FM2
AUX
NORM
AUX
LS
IC
TX
VHF1
CALL
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
N335 Series Audio Controller
SM46 Installation and Operation Manual
Section 3.0 Operation
3.1
Introduction
Information in this section consists of the functional and operational procedures for the N335-001,
N335-002, N335-201 and N335-202 Dual User Audio Controllers.
The unit will be referred to as the N335, and the operational features described in this manual will apply to
the N335-001, N335-002, N335-201 and N335-202 unless otherwise noted.
3.2
General Information
The N335 audio controllers are compatible with military and civil aviation headsets. The N335 controls the
audio from multiple receivers, and allows transmission of mic audio to a selected transmitter. VOX
intercom operation is also provided on a proprietary tie line to multiple units. A fully redundant backup
system is selectable from the front panel, and a CVR output is provided.
3.3
Controls and Indicators
N335-001
May 18, 2012 Rev: 2.00
N335-002
Page 3-1
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
N335-201
NAV1
NAV2
DME1
0
VHF1
0
VHF2
0
0
0
0
DME2
0
0
FM1
UHF
0
RX SEL
N335-202
ADF
MKR
DF
FM3
0
GSM
0
FM2
0
0
0
VHF1
0
0
FM2
0
0
FM3
0
AUX
0
EMER
GSM
VHF2
LS
VHF2
LS
IC
TX
TX
IC
NORM
AUX
FM1
DF
0
FM3
FM2
FM3
UHF
VHF1
FM1
RX SEL
FM2
FM1
VHF2
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
VHF1
CALL
ICS
VOL
RX
VOL
HOT VOX
MIC MODE
The N335-201 and N335-202 are identical to the N335-001 and N335-002 except that instead of
annunciator LEDs, they have deadfront text annunciators.
All volume controls and the TX selector knob are illuminated for night operations.
3.3.1
Receiver Input Controls (N335-001 and -201 only)
The receiver input controls are plastic, edge-lighted knobs. The N335 has individual volume controls for
each receiver. Rotating the control cw increases the volume, and when the control is in the detent
position (fully ccw) the receiver audio is switched off.
3.3.2
Transceiver Input Controls
N335-001 and N335-201
N335-002 and N335-202
The transceiver input controls are plastic, edge-lighted knobs. The N335 has individual volume controls
for each transceiver. Rotating the control cw increases the volume, and when the control is in the detent
position (fully ccw) the receiver audio is switched off.
May 18, 2012 Rev: 2.00
Page 3-2
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
3.3.3
Transmit Selection
The transmit selection control is an edge lighted plastic rotary control used to select the microphone for
radio transmit, loudspeaker (LS) or Intercom (IC) operation. The TX function is ‘shared’ by the two
headsets that can be connected to the N335. For N335-20x TX operations, the unit is configurable to
allow user #1 to have priority over user #2.
N335-001 and -201
N335-002 and -202
For each of the transceivers there is an associated receive volume control knob (RX SEL, see section
3.2.2), which will effectively turn the receiver off if the fully ccw detent position is selected. However, if the
Transmit Selection control has been used to select a radio for transmission that has been turned off by
the relevant RX SEL control, an auto-receive feature will ensure a fixed level signal is audible at the
headset.
The green TX LED or deadfront text will illuminate while the unit is in transmit mode.
Selecting LS diverts microphone audio to the loudspeaker system. The loudspeaker sidetone (if
required) is pre-selected at the time of installation.
When IC is selected, the transmit controls are keyed to ICS only.
3.3.4
Emergency Switch
The emergency switch is a locking, two-position switch, which manually switches the
microphones and earphones over to a second complete system.
N335-001 and -002
When EMER is selected, the green EMERG LED will illuminate to warn the operator
that the controller is operating in the emergency mode.
N335-201 and -202
When EMER is selected, the deadfront text will illuminate to warn the operator that the
controller is operating in the emergency mode.
Note:
The N335 can be configured at the factory or by a qualified installer to provide automatic
selection of the Emergency mode in the event of power failure to the Normal channel. The
manual selection described above is the default setting for the N335-001 and -002; for the N335201 and -202, automatic selection is the default setting.
May 18, 2012 Rev: 2.00
Page 3-3
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
N335 Series Audio Controller
SM46 Installation and Operation Manual
3.3.5
CALL
CALL LED (N335-001)
(Deadfront text on N335-201)
CALL Button (N335-002 and -202)
When the N335-002 or -202 user presses the momentary CALL button, the green CALL LED (N335-001)
or deadfront text (N335-201) will illuminate to indicate that communication is requested.
The CALL LED or deadfront text will only be illuminated while the CALL button is being pressed.
3.3.6
Miscellaneous Controls
These controls are plastic, edge-lighted knobs.
3.3.6.1
ICS VOL
The ICS volume control (ICS VOL) controls the intercom volume at the operator’s headphones. Rotating the
control cw increases the volume, ccw reduces the volume, and fully ccw is switched off.
3.3.6.2
RX VOL
The main RX volume control (RX VOL) is a master control for all receive inputs except direct audio inputs.
Rotating the control cw increases the volume, ccw reduces the volume, and fully ccw is switched off.
3.3.6.3
MC MODE
The MIC MODE control selects the mode of operation of the intercom mic. When the control is in the
centre of its range, the intercom is in the VOX mode (voice activated). As the control is rotated
counterclockwise, the system becomes more sensitive, until in the fully counterclockwise position it is in
HOT mode (on constantly). As the control is rotated clockwise, the sensitivity decreases, until at the fully
clockwise position it is in PTT mode (activated by cyclic or foot switch closure only).
End of Section 3.0
May 18, 2012 Rev: 2.00
Page 3-4
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
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