Northern Airborne Technology AA224 series Installation And Operation Manual Download Page 1

 

 

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

 

 

 

 

 

 

SM18

 

 
AA24/AA25 Series 

 Single User Audio Controller

  

 

 

 

 
 

INSTALLATION AND OPERATION MANUAL 

 

REV 4.00     November 21, 2003 

 

Northern Airborne Technology Ltd. 

 1925 Kirschner Road 

Kelowna BC, Canada 

V1Y 4N7 

 

Telephone (250) 763-2232 

Facsimile (250) 762-3374 

 

Copyright 2003 by Northern Airborne Technology

 

 

Summary of Contents for AA224 series

Page 1: ...AA25 Series Single User Audio Controller INSTALLATION AND OPERATION MANUAL REV 4 00 November 21 2003 Northern Airborne Technology Ltd 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2...

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Page 3: ...will release manual amendments In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment rec...

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Page 5: ...mendment Instructions 1 Remove Pages Replace With Pages 2 5 Rev 4 00 2 5 Rev 4 00 Amendment 1 2 Remove Drawings Section 2 Replace or add Drawings Section 2 AA24 001 405 0 Rev 1 01 AA24 001 405 0 Rev 1...

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Page 7: ...nclature 1 4 2 0 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Installation Procedures 2 1 2 3 1 Warnings 2 1 2 3 2 Cautions 2 2 2 3 3 Cabling and Wiring 2...

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Page 9: ...nts set default values for direct audio level and artificial side tone 1 3 Features The AA24 AA25 series systems employ NAT s unique audio processing which reduces noise and tailors the frequency resp...

Page 10: ...hone preferred David Clark M1 DC M3 M4 recommended For low Z microphones AA24 801 or AA25 801 are recommended Indicators Transmit green LED VOX ICS triggered by ICS Tie Line red LED Input Signals 4 ai...

Page 11: ...5000 Hz Intercom channel freq response 6 dB from 500 to 3100 Hz Sidetone channel freq response 6 db from 225 to 5000 Hz Direct input freq response 6 db from 275 to 3100 Hz Distortion 2 THD Isolation...

Page 12: ...l Description Distinction AA24 001 COM1 COM2 COM3 COM4 PA NAV ADF DME MKR AUX receive switches 28 Vdc lights and 28 Vdc power high impedance headset and mic ICS RX volume and VOX sq controls AA25 001...

Page 13: ...ou fail to complete the warranty card the warranty will be activated on date of shipment from NAT Note An appropriately rated facility e g Certified Aircraft Repair Station must install this equipment...

Page 14: ...e applications use Tefzel MIL M 27500 shielded wire with solder sleeves for shield terminations to make the most compact and easily terminated interconnect Follow the wiring diagrams in Section 2 6 as...

Page 15: ...models may have significantly different mic characteristics which will affect VOX squelch settings The David Clark M 7 mic is much more active than the M 4 or M 1 mics and may aggravate headset imbala...

Page 16: ...20 27 004 1 37 Pin Connector Hood 20 29 038 1 D min 15 Socket Housing 20 21 015 15 MS Crimp Socket 20 26 901 1 Jack Screw Set 20 27 002 1 Lock Clip Set 20 27 004 1 15 Pin Connector Hood 20 29 015 Use...

Page 17: ...ll AA24 001 90324001 Single User Audio Controller Mechanical 1005 1127 AA24 001 903 0 1 01 Single User Audio Controller 3 D 1128 and up AA24 001 905 0 1 02 Single User Audio Controller 1 of 2 Faceplat...

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Page 43: ...audio controller also provides central volume adjustment for all the aircraft audio 3 3 Controls and Indicators Transmit Selection Control RX Volume Controls RX TX Select Switches VOX Control TX Annu...

Page 44: ...olume adjusts only the local ICS audio level 3 3 3 2 RX Volume Control The outer knob of the dual control is RX VOL and controls the RX volume for all selected radios With RX VOL fully ccw volume will...

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