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AA12S Series Compact Audio Controller Manual

SM69 Rev. 4.00

1.3 Specifications

1.3.1 Electrical

Specifications

Power Supply

Input voltage

11-30 Vdc operating. Linear regulator with
reverse and over voltage protection.

Internal supply

11 Vdc

Nominal Lighting Voltage 27.5 Vdc @ 200 mA max (AA12S-001)

13.5 Vdc @ 400 mA max (AA12S-004)

Nom. Operating Voltages 27.5 Vdc @ 600 mA max

(one input for both) 13.8 Vdc @ 600 mA max

Maximum Operating

30.3 Vdc

Minimum Operating

11.0 Vdc

Note

: The AA12S is not designed to operate under emergency electrical system

conditions for 14 Vdc operation.

Input Signals

Mic:

Quantity

4 (Pilot, Copilot, 2 Passengers)

Rated level

250 mVrms nominal (125 to 500 mVrms)

Impedance 150

Ohm

10 %

Circuitry type

unbalanced

TX Keyline:

Quantity

2 (Pilot, Copilot)

Rated level

ground activates keyline,

20 mA source current

ICS Keyline:

Quantity

4 (Pilot, Copilot, 2 Passengers)

Rated level

ground activates keyline,

1 mA source current

Receive Audio:

Quantity

7 (3 COM, 4 NAV)

Rated level

2.5 Vrms nominal (1.3 to 5.0 Vrms)

Impedance 1

kOhm

10 % (1 to 3 kOhm for sidetone)

Circuitry type

unbalanced

Music Inputs:

Quantity

2 (left channel, right channel)

Rated level

1.4 Vrms nominal (850 mVrms to 2.4 Vrms)

Impedance 11

kOhm

10 %

Circuitry type

unbalanced

Page 1-2

Oct 13, 2005

ENG-FORM: 800-0107.DOT

Amendment # 1

Oct 14, 2005

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

Содержание AA12S Series Compact Audio Controller SM69

Страница 1: ...9 AA12S Series Compact Audio Controller INSTALLATION AND OPERATION MANUAL REV 4 00 October 13 2005 Northern Airborne Technology Ltd 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Copyright 2005 by Northern Airborne Technology ...

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Страница 3: ... 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 record AMENDMENT RECORD Amendment Number Amendment Date Section s Changed Date Entered Entered By 806 0001 Oct 14 05 1 3 Insert any Amendment Instruction sheets after this page Performed at factory ...

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Страница 5: ...t manual and to correct a Direct Audio statement removed from Section 3 3 1 added to Section 1 2 1 NB This amendment can be performed on both Rev 1 00 OR Rev 4 00 of this manual Amendment Instructions 1 Remove Pages Replace With Pages 1 1 and 1 2 Rev 1 00 or 4 00 1 1 and 1 2 Rev 4 00 Amendment 1 3 1 to 3 4 Rev 1 00 or 4 00 3 1 to 3 4 Rev 4 00 Amendment 1 2 Update the Amendment Record sheet at the ...

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Страница 7: ... Nomenclature 1 5 2 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 Notes 2 2 2 3 4 Cabling and Wiring 2 2 2 3 5 Post Installation Checks 2 2 2 3 6 Adjustments 2 3 2 4 Continued Airworthiness 2 4 2 5 Accessories Required But Not Supplied 2 4 2 6 Installation Drawings 2 5 3 Operation 3 ...

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Страница 9: ...l four mics have individual VOX gating Each gate may also be activated with the corresponding ICS keyline ICS muting is automatic during radio transmission The unit is supplied to suit a standard NAT bidirectional ICS audio TIE line for multi unit interface configuration dependent The crew and PAX are always connected except in the case of Pilot ISO mode when the pilot is disconnected from the ICS...

Страница 10: ...gnals Mic Quantity 4 Pilot Copilot 2 Passengers Rated level 250 mVrms nominal 125 to 500 mVrms Impedance 150 Ohm 10 Circuitry type unbalanced TX Keyline Quantity 2 Pilot Copilot Rated level ground activates keyline 20 mA source current ICS Keyline Quantity 4 Pilot Copilot 2 Passengers Rated level ground activates keyline 1 mA source current Receive Audio Quantity 7 3 COM 4 NAV Rated level 2 5 Vrms...

Страница 11: ...y type direct throughline via relay Keylines Quantity 4 COM1 COM2 COM3 and PA Rated level 1 A Circuitry type grounded relay contact Audio Performance As per RTCA DO 170 Product Classification 1a except where noted Manufacturers Specification Exceeds DO 170 requirement Rated Output Power each stereo channel 100 mW min into 300 Ω Audio freq Response Receive 3dB down from 350 6000 Hz Intercom 3dB dow...

Страница 12: ...max Mounting Dzus rail four fasteners 5 366 horizontal spacing and 0 750 vertical spacing Faceplate Lighted panel is laser engraved acrylic edge lit with blue white backlighting Material Finish Brushed aluminum with chromate conversion Connectors One 25 pin female D min connector with jackposts One 44 pin male high density D min connector with jackposts Installation Kit AA12S IKC 1 3 3 Environment...

Страница 13: ...nassigned Options 1 3 4 1 Unassigned Options These portions of the designator may be assigned to future special options 1 3 4 2 Lighting Voltage This portion of the designator refers to the lighting voltage of the specific model 001 28 Vdc lighting 004 14 Vdc lighting End of section 1 Oct 13 2005 Page 1 5 ENG FORM 800 0107 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD ...

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Страница 15: ... 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 in accordance with applicable regulations NAT Ltd s warranty is not valid unless the equipment is installed by an authorized NAT Dealer Failure to follow any of the installation instructions or install...

Страница 16: ...et jack locations For best results all headset jacks should be fully isolated from the airframe 2 3 4 Cabling and Wiring All unshielded wire should be MIL W 22759 or equivalent 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 wiring diagrams in Section 2 6 as requir...

Страница 17: ...racteristics 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 2 3 6 Adjustments The internal adjustments that can be varied are located along...

Страница 18: ... on condition only Periodic maintenance of this product is not required 2 5 Accessories Required But Not Supplied Installation kit p n AA12S IKC crimp is required to complete the installation The kit consists of one 44 Pin D min Female Crimp Kit NAT Part D44SL IKC and one 25 Pin D min Male Crimp Kit NAT Part D25PL IKC The D44SL IKC consists of Quantity Description NAT Part 1 D min 44 Socket Housin...

Страница 19: ...r Interconnect All AA12S 001 405 0 1 10 AA12S Compact Audio Controller Connector Map All AA12S 001 905 0 1 10 AA12S Compact Audio Controller Faceplate All AA12S 001 922 0 1 10 AA12S Compact Audio Controller Mech Installation All Section 2 ends after these Drawings Oct 13 2005 Page 2 5 ENG FORM 805 0106 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD ...

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Страница 27: ...R L RX BAL VOL RX BASS MUSIC BAL MUSIC R L S T TX BAL ICS ICS BASS MUSIC MUTE L R ...

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Страница 29: ... 3 COM radios and a PA Receive audio selections include COM1 COM2 COM3 MKR NAV ADF and DME 3 2 1 Features All four mics have individual VOX gating Each gate may also be activated with the corresponding ICS keyline ICS muting is automatic during radio transmission The unit is supplied to suit a standard NAT bidirectional ICS audio TIE line for multi unit interface configuration dependent The crew a...

Страница 30: ... to three transceivers and a PA By selecting the desired transceiver and pressing the external TX PTT switch the AA12S is activated for transmit operation connecting the respective mic to the selected transceiver The transceiver that is selected by the TX select switch is also automatically selected for receive The front panel annunciator will illuminate green to indicate transmit operation see se...

Страница 31: ...1 VOX Control The VOX control is used to set the level of audio required to activate the microphones The AA12S provides three modes of intercom operation selected by the position of the VOX control LIVE ICS When the VOX control is positioned fully counter clockwise ccw all mics will be live and any sound picked up by the microphone s will be processed by the ICS system KEYED ICS When the VOX contr...

Страница 32: ...lot from the intercom network allowing confidential radio communications without interference from the copilot or passenger intercom or music while maintaining complete control of all the radio functions of the audio panel The copilot and passengers retain normal intercom and music functions Note In PILOT ISO mode the receive sidetone levels may require adjustment at the audio source 3 3 4 Enterta...

Страница 33: ...no ICS music or receive functions In the unlikely event of an AA12S circuit failure that results in a communication failure the automatic fail safe mode can be enabled by pulling the AA12S circuit breaker Note In Automatic Fail Safe mode the receive sidetone levels may require adjustment at the audio source The pilot should confirm that all aspects of Automatic Fail Safe operation are working befo...

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