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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: 

[email protected]

  

Toll Free:

 1-888-763-1088

Phone: 1-250-763-1088

Fax: 1-250-763-1089

www.aem-corp.com

 

 

 

 

Summary of Contents for SM19

Page 1: ...sition 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 ...

Page 2: ...L REV 5 00 May 29 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 SM19 AMS42 AMS44 Series Dual Channel Audio Controllers ...

Page 3: ...ONICS MANUFACTURING CORP 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 ...

Page 4: ...lation 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 AEM MANUAL REVISIONS Section Revision Number Revision Description Date All Rev 5 00 Updated drawings and template May 29 2012 Tony Pearson Designer May 29 2012 L...

Page 5: ...anty 2 1 2 3 Continued Airworthiness 2 1 2 4 Installation Procedures 2 1 2 4 1 Warnings 2 1 2 4 2 Cautions 2 2 2 4 3 Cabling and Wiring 2 2 2 5 Adjustments and Connections 2 2 2 5 1 Top Panel Adjustments 2 3 2 5 2 Right Side Adjustments 2 4 2 5 3 Left Side Adjustments 2 5 2 5 4 Post Installation Checks 2 6 2 5 5 Accessories Required But Not Supplied 2 6 2 6 Installation Drawings 2 7 3 0 Operation ...

Page 6: ...ration 3 7 3 8 AMS44 Audio Alerting Functions 3 7 3 9 AMS44 Selection of Transmit Functions 3 8 3 9 1 Transmit Selectors 3 8 3 9 2 Hand Microphone 3 9 3 10 AMS44 Transceiver Receive Functions 3 9 3 10 1 Receive Selection Switches 3 9 3 10 2 Transceiver Selection Examples 3 10 3 10 3 Volume Controls 3 10 3 10 4 Passenger Receive Audio Selection 3 11 3 10 5 Auxiliary Inputs 3 11 3 11 AMS44 Intercom ...

Page 7: ...e purpose of the AMS42 and AMS44 is to provide centralized control for all audio in the aircraft This is accomplished by providing positions for up to five transceivers and up to eight navaids Other functions such as external PA interface boom mic support for the pilot and co pilot seven place intercom emergency and ISO operation two direct audio inputs and rear hand mic operation are also provide...

Page 8: ...ed 1 3 2 Receive Functions Selecting a transceiver with the TX transmit rotary selector automatically selects the associated receive audio The RX inputs are also selected by the 3 position center off front panel switches five on each side of the audio controller the up position selects the respective navaid input and the down position selects the respective COM Two Direct Audio inputs are provided...

Page 9: ...ment 25 mW into 600Ω Headset Power 250 mW per channel into 600Ω Key Logic Ground seeking for all lines Hard ground outputs to all transceivers TX LED on front panel lights when any transmit Key input is low except hand mic Cross Talk De selected inputs 50 dB min Below full output Bi directional ICS Tie Line 340 mVrms for full output 1 6kΩ input impedance 1 4 2 Physical Specifications Height 1 90 4...

Page 10: ...audio controllers For this reason a limited number of models are available Custom dual channel audio controllers based on the AMS42 are renamed AA92H series and units based on the AMS44 are renamed AA94 series The models available are AMS42 5 front panel selectable transceivers 8 internal selectable RX inputs 2 Direct Audio Inputs AMS42F Same as AMS42 with faceplate labelling change from COM2 to A...

Page 11: ...g AMS42 44 Dual Channel Audio Controller Product Information Card Certificate of Conformity 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 ...

Page 12: ...t and easily terminated interconnect Follow the wiring diagrams in Section 2 6 as required Allow 3 from the end of the wire to the shield termination to allow the connector hood to be easily installed Note that the hood is a clamshell hood and is installed after the wiring is complete Aircraft harnessing should permit the unit to be lowered from the panel for easy access to all side adjustments Do...

Page 13: ...at the end nearest the back of the unit marked OPEN When viewed from the front of the unit the switches toggle the navaids on or off from left to right as follows O P E N Switch Function TAPE Right TAPE Left AUX2 AUX1 ADF2 ADF1 NAV2 NAV1 Switch 8 7 6 5 4 3 2 1 Note These inputs are normally selected OFF OPEN when the unit is shipped from the factory AMS44 The receive selection switches are two pai...

Page 14: ...by using the jumper labeled ICS ISO which is accessible through the top cover It is normally set for isolation of the right user when the unit is shipped from the factory C P 2 5 2 Right Side Adjustments 2 5 2 1 Sidetone LEFT USER S T and RIGHT USER S T The Left User and Right User transmit sidetone S T can be adjusted using the pots accessible through the right side of the case Rotating the pots ...

Page 15: ...TBOARD end or Right User pressed downwards at the INBOARD end It is factory pre set to select the Left user Note The TX annunciator will not light when the hand mic is used 2 5 2 6 Passenger Headphones PAX The PAX rocker switch programs the passenger headphones to the headphone audio selected by either the Left User or the Right User The position of the switch can be toggled between Left User pres...

Page 16: ...ed for correct balance for the pilot and copilot Adjustment of the individual radio RX levels should be set first and then the front panel RX master volume control Unusual buzzes hums or other background audio are symptomatic of multiple grounds or noisy external systems sharing the same wire bundle Note that incorrect jack wiring is a common fault especially for passenger stations and may cause l...

Page 17: ...CRIPTION TYPE AMS42 AMS42 403 0 1 11 AMS42 Dual Channel Audio Controller Interconnect AMS42 403 1 1 11 AMS42 Dual Channel Audio Controller Interconnect AMS42 403 2 1 11 AMS42 Dual Channel Audio Controller Interconnect AMS42 405 0 1 01 AMS42 Dual Channel Audio Controller Connector Map AMS42 905 0 2 00 AMS42 Dual Channel Audio Controller Faceplate AMS42 922 0 1 10 AMS42 Dual Channel Audio Controller...

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Page 22: ...UX PA LIVE 1 RX ON ICS VOL FM2 AUX KEYED FM1 COM TX 2 COM 1 RX ON ICS VOL AMS42 VOX NORM ISO SHEET REV A SIZE L9015 KELOWNA BC CANADA 250 763 1088 WWW AEM CORP COM AMS42 2 00 905 0 DUAL CHANNEL AUDIO CONTROLLER 1 1 1 of 3 2 00 RAS 19 CHANGED TO AEM LOGO UPDATED HOLE SCHEDULE Nov 10 11 RDB Nov 16 11 21 Nov 11 Confidential and Proprietary to NAT ...

Page 23: ...Tony Pearson Designer Mar 7 2011 8 54 216 9 6 82 173 2 1 55 39 4 Reviewed Approved RAS Tony Pearson Designer May 28 2012 82 ...

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Page 28: ...OFF ICS VOL AMS44 NAV2 COM2 COM1 NAV1 TX FM1 ADF NORM EMER PA MKR AUX FM2 DME PTT ISO FM1 DME COM1 NAV2 AUX PA NAV1 COM2 TX ADF FM2 MKR ICS VOL OFF FM FM FM FM SHEET REV A SIZE L9015 KELOWNA BC CANADA 250 763 1088 WWW AEM CORP COM AMS44 2 00 905 0 DUAL CHANNEL AUDIO CONTROLLER 1 1 1 of 3 2 00 RAS 38 CHANGED TO AEM LOGO UPDATED FORMAT 17 Jan 12 MWS Jan 17 12 17 Jan 12 ...

Page 29: ...Tony Pearson Designer Mar 7 2011 1 55 39 4 6 82 173 2 8 54 216 9 Reviewed Approved RAS 82 Tony Pearson Designer May 29 2012 ...

Page 30: ...e configured at the time of installation for alternate seating arrangements Individual control over receive and transmit functions is provided for both the pilot and copilot observer and a common control is provided for LIVE KEYED and VOX ICS operation An additional control is provided for NORMAL EMERGENCY or ISOLATE pilot cut off from ICS audio operation Sidetone S T level is adjustable internall...

Page 31: ...ic Receive Audio Receive audio is automatically selected as a function of the respective rotary selector switch No additional switching is needed to establish external communication 3 3 1 2 Transmit Annunciators During transmit from either the pilot or copilot position the appropriate TX annunciator green will light on the front panel 3 3 1 3 TX Selector Example In the figure above the positions o...

Page 32: ...he TX selector to the AUX position See section 3 4 3 1 for RX volume control 3 4 2 Transceiver Selection Examples In the figure below the right side TX selector is set for transmit and receive operation on COM2 The Receive function switches are also selected so the right side can monitor COM1 and FM2 transceivers Note that FM1 is not selected and AUX cannot be selected by the RX switches RX Switch...

Page 33: ...rovide adjustment of the ICS audio selected by the controller The ICS volume controls provide adjustment from 0 to full output See also section 3 5 3 4 4 Passenger Receive Audio Selection The passengers normally hear the radio audio as selected on the left side of the controller The passengers can be shifted to the right side by changing the setting of the internal PAX switch accessible through th...

Page 34: ...nter clockwise into the switch detent LIVE Hot Mic Operation ICS Mode Control set fully clockwise VOX Voice Activated ICS Mode Control set fully clockwise then slowly rotated counter clockwise until the intercom just becomes quiet This setting will vary with ambient noise conditions and the quality and number of microphones connected in the system KEYED operation is inherent to the pilot and copil...

Page 35: ...a failure in the mic keying circuit then the hand mic should be used A power fault of any kind will prevent the TX annunciator from lighting giving an immediate indication of failure If ICS audio is still available then the power to the controller has not failed and loss of the TX light indicates TX switch failure Note that in the EMER mode all switches work exactly as they do during NORM operatio...

Page 36: ...smit functions are provided for both the pilot and copilot observer and a common control is provided for LIVE PTT and VOX ICS operation An additional control is provided for NORMAL EMERGENCY or ISOLATE pilot cut off from ICS audio operation Sidetone S T level is adjustable internally and Receive RX and Intercom ICS levels are adjustable on the front panel All audio except the S T of the radio IN U...

Page 37: ... of the aircraft The controls select the transmit function required by the relevant user Each rotary selector switch is completely independent of the other and the pilot and copilot have equal priority during transmit When the PTT is activated all audio selected on the side of the controller that is transmitting is muted except the sidetone of the transceiver in use 3 9 1 1 Automatic Receive Audio...

Page 38: ... will work in emergency or equipment failure situations The hand mic normally functions on the left side of the controller but can be connected to the right side at the time of installation by changing an internal switch When the hand mic or transmit PTT switch is activated the mic involved will be coupled to the radio or PA selected The TX annunciator will not light when the hand mic is used 3 10...

Page 39: ...R are not selected Transmit Selector at AUX FM Receive Switches at Navaids NAV1 and DME Receive Switches monitor COM1 and FM2 In the figure below the right side configuration remains the same The left side is set up to receive and transmit on COM2 while monitoring COM1 and FM2 transceivers as well as the MKR navaid Note that FM1 AUX FM PA NAV1 NAV2 ADF and DME are not selected on the left side Tra...

Page 40: ...adjustment from 0 to full output See also section 3 11 3 10 4 Passenger Receive Audio Selection The passengers normally hear the radio audio as selected on the left side of the controller The passengers can be shifted to the right side by changing the setting of the internal PAX switch accessible through the right side of the controller The passengers will not hear any radio audio when the red mod...

Page 41: ...unter clockwise into the switch detent LIVE Hot Mic Operation ICS Mode Control set fully clockwise VOX Voice Activated ICS Mode Control set fully clockwise then slowly rotated counter clockwise until the intercom just becomes quiet This setting will vary with ambient noise conditions and the quality and number of microphones connected in the system KEYED operation is inherent to the pilot and copi...

Page 42: ...cy Mode Effects In the EMER mode all functions are retained by the pilot and copilot except ICS and possibly boom mic operation If the box or airframe fault prevents the TX annunciator from lighting during transmit indicating a failure in the mic keying circuit then the hand mic should be used A power fault of any kind will prevent the TX annunciator from lighting giving an immediate indication of...

Page 43: ... mode switch can select an ISO function which prevents the selected user from receiving ICS audio This is useful when passengers are interfering with critical flight operations landing etc It can be preselected at installation to isolate the left or right side Intercom operation for the passengers and copilot is not affected It is normally set for isolation of the right side when the unit is shipp...

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