AMS43 Single Channel Audio Controller
Contents
1. 9 00 0 ts AMS43 EM uM AUX FM1 FM2 NAV2 ADF2 MKR RX VOL PA PILOT ISO EMR S LIVE COMI Mode switch VOX Squelch ICS Mode ICS Volume Control Control switch 3 3 3 1 ICS Modes ICS audio may be implemented in three modes LIVE on constantly VOX voice activated or KEYED active only when switched by ICS PTT switch It is common to use the LIVE mode during ground operations start up etc and to use VOX or KEYED operation if conditions are so noisy that pilot fatigue will result LIVE Hot Mic Operation ICS mode switch orange switch bat set to the VOX up position and the VOX squelch control set to the full counter clockwise position KEYED ICS PTT Operation ICS mode switch orange switch bat set to the KEY down position Keyed ICS is inherent to the pilot and copilot microphone circuits only Passenger microphone circuits will be LIVE with this mode selected VOX Voice Activated ICS mode switch orange switch bat set to the VOX up position Set the ICS VOX Squelch control fully counter clockwise and then slowly rotate clockwise until the ICS just becomes quiet This setting will vary with ambient noise conditions and the quality and number of microphones connected in the system 3 3 3 2 General ICS Functions Passenger ICS audio is LIVE when the controller is in the LIVE or KEYED mode of ICS operation In the KEYED mode of operation the passenger microphones are LI2. MKR RX MKR RX HI LO DIRECT AUDIO 1 DIRECT AUDIO 1 L DIRECT AUDIO 2 DIRECT AUDIO 2 TAPE LEFT RX TAPE LEFT RX TAPE RIGHT RX TAPE RIGHT RX TAPE PLAYER PHN PILOT LO JACK PHN COPILOT LO JACK COPILOT PH COPILOT PH H ICS LO EXPANSION CHD aa SD an SD kh kh db Kb db Kb Kb ds Kb ds Kb ds Kb ee ee eee ae Pee ae oe que CONFIDENTIAL AND PROPRIETARY TO NAT LTD E sk nat NORTHERN AIRBORNE TECHNOLOGY LTD DATE AUDIO CHECKED CONTROLLER S TA SIZE CAGE CODE PART NO REV SHEET DICIS e A 3AB01 AMS43 i19 3 3 FILE 403 0 DWG DWG TYPE INTERCONNECT DWG NO AMS43N403 2 ENG FORM 403 s AA95 xxx 403 0100 DWT F102 57 PIN MATING CONN NADO TF lt 1 2 3 4 5 6 7 8 9 10 1 12 13 14 15 16 17 18 19 Xo Io Xo io Io Xo Vo OO OO OO OOO O0 00000 20 21 22 25 A 25 26 27 28 29 30 SA 54 55 36 57 RECEIVE AUDIO INPUTS FROM RADIOS PHN OUTPUT LO OZPTLI VIIPIZ AXE SUS Cy SO AmM ov Zrnmr x AME ov OU lt KON 0000 POW
3. PAX 1 MIC PAX 1 MIC PAX 1 PHN PAX 1 PHN PAX 2 MIC PAX 2 MIC PAX 2 PHN PAX 2 PHN PAX 3 M PAX 3 MIC PAX 3 PH PAX 3 PH PAX 4M PAX 4 MIC PAX 4 PH PAX 4 PH PA MIC PA MIC PA SYSTEM Q OC OG OC DOC OC DC DC DC lt D lt DDC D lt D lt D lt D lt D lt gt ALERT ALERT 2 ALERT 3 20 AWG EXISTING ALERT BREAKER ALERT POWER n 28 VDC ALERT POWER Z s 28 VDC POWER 1 28 VDC POWER POWER GROUND 202006 A C GROUND CONFIDENTIAL AND PROPRIETARY TO NAT LTD E Senat NORTHERN AIRBORNE TECHNOLOGY LTD DATE 90 TITLE gt AUDIO CHECKED 2 i CONTROLLER 5 SIZE CAGE CODE PART NO REV SHEET AMS43 1 12 2 3 FILE 403 0 DWG DWG TYPE INTERCONNECT DWG NO AMS43 403 1 ENG FORM 403 s AA95 xxx 403 0100 DWT J102 P102 37 PIN FEMALE DMIN N MATING CONNECTOR 28 VDC LIGHTS 28 VDC LIGHTS RX LO COM 2 COM 2 RX LO COM 1 COM 1 RX LO AUX AUX RX LO FM 1 1 RX LO FM 2 FM 2 RX LO NAV 1 NAV 1 RX LO NAV 2 NAV 2 RX LO ADF 1 ADF 1 RX LO ADF 2 ADF 2 RX LO DME DME RX LO
4. DATE FORMAT CHANGES SEP 30 94 ECR 787 FORMAT CHANGES JUL 27 98 DOCCRO1361 FORMAT CHANGES SEP 30 05 AMS43 INSTALLATION NOT L WIRES SHOULD BE 22 AWG UNLESS OTHERWISE SPECIFIED ALL SHIELDED WIRE SHALL BE SELECTED IN ACCORDANCE WITH C43 15 1B CHANGE 1 PARAGRAPHS 11 76 THROUGH 11 78 WIRE YPES SHOULD BE TO MIL W 22759 AS SPECIFIED IN AC43 15 1B HANGE 1 PARAGRAPHS 11 85 11 86 AND LISTED IN TABLE 11 11 L SHIELDED WIRE CABLE SHOULD BE IN ACCORDANCE WITH L C 27500 EADPHONE MICROPHONE AND ICS TIE LINES USE TWISTED HIELDED PAIR CONNECT SHIELDS TOGETHER AND GROUND O CLEAN AIRCRAFT GROUND GROUND POINT SHOULD BE HE SAME AS AIRCRAFT AUDIO SYSTEM POWER GROUND DO NOT GROUND MICROPHONE OR HEADPHONE LO CONNECTIONS TO AIRFRAME ADJUSTABLE LEVEL DIRECT AUDIO INPUT AMPLIFIED FIXED LEVEL DIRECT AUDIO INPUT NO ADJUSTMENT DO NOT PARALLEL FROM SINGLE SOURCE AUDIO TO OTHER AUDIO CONTROL PANELS AIRCRAFT ENTERTAINMENT SYSTEM TAPE MUST BE GROUND REFERENCED IF NOT A FLOATING GROUND ADAPTER BETWEEN THE AUDIO CONTROLLER AND ENTERTAINMENT SYSTEM WILL BE REQUIRED TO BE USED FOR EXPANSION OF INTERCOM SYSTEM ONLY REFER TO INSTALLATION MANUAL FOR DETAILS DEFINITIONS N C O CONNECTION THE PIN IS NOT CONNECTED TO ANYTHING TERNALLY AND THEREFORE SHALL HAVE NO CONNECTION EXTERNALLY N C SPARE O CONNECTION INTERNALLY BUT A SPARE
5. TONE RATE 6 A variety of different signals can be selected to trigger the internal Alert signals The trimpots on the right side panel are used to adjust the characteristics of the audible signals that the user will hear Audio Alert 1 is a single tone signal and Audio Alerts 2 and 3 are two tone signals The pitch of the signals can be adjusted using the relevant TONE trimpot and the cycling rate of the two tone signals can be adjusted using the RATE trimpots The duration of Audio Alert 3 can be adjusted from one to three seconds using the TIME trimpot The DIR AUD LEVEL trimpot is used to adjust the audio level of the devices connected to the DIR AUD 1 input April 22 2012 Rev 2 00 Page 2 4 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP 111 AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 2 5 3 In line PTT Drop Cords 2 5 3 1 General In line push to talk PTT drop cords also known as cordsets can be used to create provide PTT capability for the user headsets that do not have yoke or cyclic mounted PTT switches For headsets connected to the PILOT or COPILOT inputs outputs of the AMS43 ICS and TX keylines are needed to properly activate the associated PTT circuitry inside the AMS43 For headsets connected to the PASSENGER inputs outputs of the AMS43 a method of controlling the microphone on the headset
6. WIRE SHALL BE STALLED IN THE WIRE HARNESS RESERVED AY BE CONNECTED AND USED IN THE FUTURE THE CIRCUITRY MAY BE PRESENT OR ADDED TO ACTIVATE THE FUNCTION THE PIN MAY BE USED FOR TEST PURPOSES THERE IS NO EXTERNAL CONNECTION RESERVED SPARE RESERVED BUT INSTRUCTIONS SHALL BE FOLLOWED TO ACTIVATE RSV SP THE CIRCUITRY A SPARE WIRE SHALL BE INSTALLED IN THE WIRE HARNESS CONFIDENTIAL AND PROPRIETARY TO NAT LTD Senat NORTHERN AIRBORNE TECHNOLOGY LTD DATE JUL 27 90 TITLE AUDIO NAT CHECKED 249 CONTROLLER JA SIZE CAGE CODE PART NO REV SHEET 3ABO1 AMS43 1 12 1 3 FILE 403 0 DWG DWG TYPE INTERCONNECT DWG NO AMS43N403 0 ENG FORM 403 s AA95 xxx 403 0110 DWT P101 J101 50 PIN FEMALE DMIN MATING CONNECTOR COM 2 COM 2M COM 2 MIC COM 1 COM 1M COM 1 MIC AUX AUX M AUX MIC FM 1 FM 1M FM 1M FM 2 FM 2 MIC FM 2 MIC REAR HAND REAR H K REAR REAR H C C C HAND PILOT M PILOT M PILOT JACK COPILOT MIC COPILOT MIC COPILOT JACK 4 55 5 4 cb 5 geneva PILOT TX SW LOT TX KEY PILOT ICS SW PILOT ICS KEY COPILOT TX SW COPILOT TX KEY COPILOT ICS SW COPILOT ICS KEY 2
7. is needed because of the hot mic circuitry This is best accomplished with a mic interrupt switch in the PTT drop cord There are numerous manufacturers of in line PTT drop cords offering many electrical variations to accomplish different functions To meet the operational requirements for headset stations supported by the AMS43 AEM recommends the dual switch type a 3 position momentary center off locking slider switch for the ICS functions and a momentary push button switch for the TX functions Both switches provide a mic interrupt function The 3 position ICS switch will allow the user to change the switch settings to match the operational intercom mode that has been selected at the AMS43 e g LIVE KEYED or VOX The cable should have 6 conductors with the MIC and PHONE pairs shielded MIC wires must be shielded as a minimum To ensure proper shielding the shield s should be terminated to the MIC LO connection at the airframe connector of the PTT drop cord See the drawing below for details PTT Cord for Use with AEM Audio Controllers XMIT and ICS ICS Slide Switch ICS KEY 4 OFF 3 ICS LIVE VOX Momentary Locking XMIT Push button Switch ICS KEY XMIT KEY MIC HI MIC LO PHONE HI PHONE LO To avoid complications in the aircraft it is recommended that the same type of PTT drop cord is used for all headset locations in the aircraft It is not good practice to create a situation wh
8. 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 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 In the ISO EMR mode all switches work exactly as they do during NORMAL operation except for the RX and ICS volume controls which have no effect The ISO EMR function should be tested prior to flight to ensure proper operation and allow the radio levels to be set adequately for emergency operation Any selected RX audio is switched to the primary user pilot in the ISO EMR mode but not to any passengers in the system Audio level will be lower than in NORMAL operation because the signals are obtained directly from the radios bypassing the electronics in the controller This is provided for failure situations that make operation impossible in the NORMAL mode i e loss of power or amplifier failure etc 3 5 Audio Alerting Functions Two types of audio alerting are supported in the AMS43 Direct Audio and Internal Alerting The use of these alerting features should be determined defined and recorded so that the operator has an opportunity to use these features as they were intended for their specific installation 3 5 1 Direct Audio Direct Audi
9. ANODYNE A d ELECTRONICS MANUFACTURING CORP 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 1115 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 15 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 toll free 1 888 763 1088 t 250 763 1088 f 250 763 1089 www aem corp com SM59 AMS43 Single Channel Audio Controller 969999933 ud Li NAV2 ADF2 MKR RX VOL B PA e Ox ICS Nate IN KE S AMS43 COM 2 PILOT O VOX VOL e 2 amp XS OM1 KEY INSTALLATION AND OPERATION MANUAL Rev 2 00 April 22 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
10. C43 13 1B Change 1 Paragraphs 11 47 through 11 51 and 11 66 through 11 69 2 4 4 Post Installation Checks Perform any required adjustments of preset levels and ensure that the audio controller is properly mounted and secured prior to flight April 22 2012 Rev 2 00 Page 2 2 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP XIV AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 2 4 4 1 Voltage Resistance Checks Do not attach the AMS43 until the following conditions are met Check the following a P101 pins lt 16 gt and lt 17 gt for 28 Vdc relative to ground b P101 pin lt 34 gt for continuity to ground below 0 5 6 P102 pin lt 19 gt for 28 Vdc lights bus voltage d Check all Mic phone music and key lines for shorts to ground or adjacent pins 2 4 4 2 Power On Checks Power up the aircraft s systems and confirm normal operation of all functions of the AMS43 Refer to Section 3 Operation for specific operational details Start with only the pilot s headset installed Check for correct Intercom ICS radio and transmit TX operation Do not proceed until the radios are functioning correctly The S T trimpot accessible through the left side of the controller and the transceiver internal trimpot may have to be adjusted for correct balance for the pilot Adjustment of the individual radio receive RX levels should be set fir
11. Corp AEM All Rights Reserved CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual IMPORTANT INFORMATION This manual has been produced to provide information unique to the AMS43 Single Channel Audio Controller Some of this information has been published previously in the SMO01 Service manual AA90 AMS40 Series Audio Controllers Earlier versions of the AMS43 may not be covered by the information in this manual Please refer to SMO1 or contact the Technical Support Department at AEM 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 CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Prepared By Checked By Approved By f Tony Pearson Loen Clement Tom Betzelt Designer LA Designer A cae Apr 22 2012 May 24 12 vp m The status of this installation and operation manual is controlled by issue shown on the title page The s
12. EG SIZE CAGE CODE PART NO REV SHEET e B 3ABO1 AMS43 1 01 1 1 FINISH ns FILE 922 0101 DWG DWGC TYPE MECH INSTALLATION DWG NO AMS43N922 0 TOLERANCES UNLESS MENSIONS STATED OTHERWISE N INCHES 0 X 0 030 IRD ANGLE AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Section 3 0 Operation 3 1 Introduction Information in this section consists of functional and operational procedures for the AMS43 Single Channel Audio Controller 3 2 General Information The AMS43 provides control for all aircraft audio allowing selection of transmit TX and receive RX audio LIVE KEYED or voice activated VOX intercom interface for an additional hand held transmit microphone hand mic and pilot isolation emergency PILOT ISO EMR operation Sidetone S T level is adjustable internally and RX and intercom ICS levels are adjustable on the front panel All audio except the S T of the radio in use and the directly connected DIRECT AUDIO 2 input signal see Section 3 5 1 is muted during TX for clarity ICS operation allows TX during any ICS mode by using the push to talk PTT switch 3 3 Controls and Indicators All TX and public address PA functions are controlled with a single rotary selector switch RX audio ICS operations and tape audio are controlled with colour coded toggle switches RX volume ICS volume and ICS VOX squelch a
13. ER MIC KEY OUTPUT GROUND TO RADIOS NOTE DO NOI D HEADSET COMMONS EW IS FROM REAR OF AIRFRAME CONNECTOR PROPRIETARY AND CONFIDENTIAL TO NAT LTD DESIGNED DRAWN DATE AUDIO CHECKED WA CONTROLLER _ PART NO REV SHEET PUN AMS43 1 00 1 1 FILE 405 0100 0 6 DWG TYPE CONNECTOR MAP DWG NO 543 405 0 EVISIONS DESCRIP TION DATE RAS 18 CHANGED TO AEM LOGO UPDATED HOLE SC HEDULE NOV 10 11 RKON NAV1 ADF1 COM SOM AUX FM1 FM2 NAV2 ADF2 MKR RX VOL AGA Om PILOT ISO EMER ICS VOL UNLESS OTHERWISE SPECIFIED ANODYNE KELOWNA BC CANADA DRAWN Nov 16 11 DIMENSIONS ARE IN INCHES A a ELECTRONICS 250 763 1088 TOLERANCES m MANUFACTURING CORP WWW AEM CORP COM FRACTIONAL 0 5Deg CHECKED Nov 16 11 ANGULAR MACH BEND TWO PLACE DECIMAL 001 APPROVED vc 121 Nov 11 THREEPLACEDEGMAL 005 AUDIO C O NTROI LER PROPRIETARY AND CONFIDENTIAL GEOMETRIC CING PER THE INFORMATION CONTAINED IN THIS SIZE CAGE CODE PART No REV ANODYNE ELECTRONICS MANUFACTURING N A ANY REPRODUCTION IN pes OR WHOLE 19015 S43 2 00 WITHOUT THE WRITTEN PERMISSION OF N JA ANODYNE ELECTRONICS MANUFACTURING IS PROHIBITED DO NOT SCALE DRAWING SCALE 1 1 DRAWING No 905 0 SHEET 1 of 3 REVI
14. End of Section 1 0 April 22 2012 Rev 2 00 Page 1 4 ENG FORM 800 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Section 2 0 Installation 2 1 Introduction Information in this section consists of unpacking and inspection procedures installation procedures post installation checks and installation drawings for the AMS43 Single Channel 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 Check that all items listed below are present before proceeding and report any shortage immediately to your supplier AMS43 Single Channel Audio Controller Product Information Card Certificate of Conformity or Release Certification 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 AMS43 Single Channel Audio Controller is on condition only Periodic maintenance of this product is not required 2 4 Installation Procedures 2 4 1 Warnings WARNING High volume settings can cause hearing damage Set the headset volume control to the minimum v
15. MANUFACTURING CORP 1 4 1 4 1 Input Signals Output Signals AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Specifications Electrical Specifications Input Power Lighting Voltage Alert Power Quantity Audio level Impedance Circuitry Type Coupling Key lines Quantity Rated level Headset Direct Audio1 Direct Audio 2 Alert level Impedance Circuitry Type Freq Response Sidetone April 22 2012 Rev 2 00 ENG FORM 800 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP 27 5 Vdc Nominal 0 50 A Max 27 5 Vdc 160 mA 27 5 Vdc Nominal 150 mA Max 13 Receive channels 7 Mic channels 11CS tie channel 2 direct channels 2 5V rms for receiver inputs 0 25V rms for mic inputs 0 34V rms for ICS tie input 2 5V rms for direct audio inputs 1kO 10 for receive inputs 1kO 10 for mic inputs 1 8 10 for ICS tie input 1 3kO 10 for Direct Audio 1 input 100 10 for Direct Audio 2 input All are Single ended inputs 50 dB Pilot amp Copilot Transmit PTT Rear Hand mic Transmit PTT Pilot amp Copilot ICS PTT 3 Alerts active low 6 Headset outputs 6 Transmitter mic outputs 5 Transmitter keyline outputs 7 7 Vrms or 100 mW 20 dBm into 600 Q 10 mW 10 dBm into 600 2 0 1 mW 10 dBm 0 25 Vrms into 600 2 90mV rms 10 into 600 Q 65 Max Single ended except for phones which are bala
16. SIONS REV DESCRIPTION DATE BY 1 01 ECR 787 DRAWING WAS 910 0100 DWG FORMAT CHANGES MAR 9 99 TAT NORTHERN AIRBORNE TECHNOLOGY Weight AUDIO ALERT 1 2 TONE RATE NO H3MOd Oats 1 LH31V MADE IB 1 3mm RATE AUDIO ALERT 3 TONE P mmzi 1 8 4 6 81 173 0mm Reviewed Approved Date Initial Tony Pearson 03 07 2011 Designer Mar 7 2011 DIR AUD LEVEL BOF 20 05 205 0 NAVI ADF1 1 LA NAT LOGO REMOVED NAV2 ADF2 1 88 4 SENTER OF GRAVITY FIGHT 2 1 Ibs 1 0 kg NORMAL LIVE PROPRIETARY AND CONFIDENTIAL TO NAT LTD sk nat NORTHERN AIRBORNE TECHNOLOGY LTD O XX 0 01 ROJECTION D ATE JAN 27 94 TITLE 0 XXX 0 005 AUDIO ee ja NAT NAT O XXXX 0 002 CHECKED EE CONTROLLER ANGLE 0 5 D
17. VE Utilize drop cord assemblies incorporating microphone circuit interrupt switches for keyed ICS operation Passenger ICS is VOX triggered when VOX mode is selected All ICS audio is controlled by the front panel ICS volume control and may be varied to suit conditions The ICS VOL control provides adjustment from approximately 1 to full output The mode switch red switch bat is used to select between NORMAL and PILOT ISO EMR modes In the NORMAL position down all operations of the ICS are functional as described above When the switch is in the PILOT ISO EMR position the pilot is isolated from the rest of the passengers If the controller is operated in the ISO EMR mode ICS operation will continue if there is no fault condition between the passengers and copilot but will exclude the pilot See section 3 4 for further details April 22 2012 Rev 2 00 Page 3 3 ENG FORM 806 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 3 4 Emergency Operation When the red PILOT ISO EMR NORMAL mode switch is set to the ISO EMR position the pilot is removed from the ICS bus and connected directly to the selected radios This mode should be selected in the event of a box fault or power failure In the ISO EMR mode all functions are retained by the pilot except ICS and possibly boom mic operation If the box or airframe fault
18. ation Drawings Operation Introduction General Information Controls and Indicators Receive Audio Select Switches Transmit Selector Switch ICS Functions Emergency Operation Audio Alerting Functions Direct Audio Internal Alerting Installation and Operation Manual ENG FORM 820 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP Page Page iv AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Section 1 0 Description 1 1 Introduction Information in this section consists of product description design features and specifications for the AMS43 Single Channel Audio Controller 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 AMS43 provides control of aircraft audio allowing selection of transmit TX and receive RX audio LIVE KEYED or voice activated VOX intercom interface for an additional hand held transmit microphone hand mic and pilot isolation emergency ISO EMR operation TX and PA functions are controlled with a single rotary switch RX audio intercom ICS operations and tape audio are controlled with toggle switches RX volume ICS volume and ICS VOX squelch are individually adjusted with rotary controls Sidetone S T level is adjustable internally 1 3 Design Features The AMS43 is a Dzus
19. ear the radio audio as selected on the controller The passengers will not hear any radio audio when the red mode switch is in the ISO EMR position Transmit Selector Switch 900 e AMS43 COM COM 4 AUX4 FM2 NAV2 ADF2 MKR PILOT fy ICS ISO EMR k VOX Ow mi Q vonva y LIVE N KEY OFF ea TX Indicator Transmit Selector Switch The TX selector switch is a six position switch used to select the desired transceiver When rotated fully clockwise this switch selects the PA function When the hand mic or TX PTT switch is activated the mic will be coupled to the radio or PA selected The pilot has priority over the copilot during TX operations RX audio for the transceiver selected is automatically activated as a function of the rotary selector switch and no additional switching is needed to establish outside communication During TX all audio selected is muted except the sidetone of the transceiver in use The front panel TX indicator will illuminate green when either the pilot or co pilot transmits It will not light when the hand mic is used April 22 2012 Rev 2 00 Page 3 2 ENG FORM 806 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 3 3 3 ICS Functions NAVI ADF1 DME 9
20. efzel 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 A
21. ere a specific drop cord is needed for the copilot which might cause operational errors if moved to a passenger location April 22 2012 Rev 2 00 Page 2 5 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP 2 5 3 2 2 6 AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Cautions CAUTION Although in line PTT drop cords can be used to conveniently address a number of requirements for microphone and PTT control they can also be a source of trouble if incorrectly configured or improperly shielded Many in line PTT drop cords use the PHONE LO connection as the ground reference for the ICS and TX PTT keylines The PHONE LO connection in the AMS43 is floating which will lead to incorrect keying of the intercom and radio systems if this type of drop cord is used In line PTT drop cords can be a very real source for crosstalk if the MIC wire pair in the drop cord is not shielded The source of the crosstalk is the high level Phones audio being coupled on to the MIC HI LO pair in the in line PTT drop cord because of the lack of shielding for this wire pair Once the mic line is contaminated the undesired audio can be sent into the audio system as mic audio then processed and distributed to all other audio controllers via the ICS Tie Line Accessories Required But Not Supplied Installation kit AA90 IKC Alt part No D50S37SL IKC is required t
22. l test levels Once installed in the aircraft it may be desirable to change some of these settings to best suit the local operating environment The internal adjustments are located on the sides of the unit and are as follows April 22 2012 Rev 2 00 Page 2 3 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 2 5 1 Left Side panel adjustments l U U ALERT LEVEL S T LEVEL VOX LEVEL POWER ON O The trimpots on the left side panel are used to adjust the levels of audio in the users headphones Rotating the trimpots clockwise cw increases the level and counterclockwise ccw reduces it The ALERT LEVEL trimpot is used to adjust the levels for the three internally generated Alert signals Other parameters relating to these signals are adjusted from the right side panel see section 2 3 4 2 The S T LEVEL trimpot adjusts the internal gain of the sidetone S T of the selected transceiver from the front panel in the user s headphones The VOX LEVEL trimpot sets the sensitivity level for the front panel VOX control the level of audio required to activate microphones The POWER ON LED will illuminate to indicate that the unit is connected to the power supply 2 5 2 Right Side Panel Adjustments AUDIO ALERT 3 AUDIO ALERT 1 2 DIR AUD LEVEL TIME TONE RATE
23. nced lt 3 dB from 650 Hz to 1750 Hz Page 1 2 AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Receive inputs Intercom Alert 1 Alert 2 Alert 3 Distortion Audio Noise Level Coupling Output Regulation Annunciators 3 dB from 500 Hz to 2200 Hz 3 dB from 550 Hz to 2400 Hz 1 5kHz 4 2096 Same tone as Alert 1 but swept 2 cycles sec Approx same as Alert 2 but on for 2 sec lt 10 THD rated power output 50 dB 50 dB lt 10 distortion and 3 dB max of rated load output power at 400 and 75 of rated load Green LED will light for transmit operation 1 4 2 Physical Specifications Height 1 90 48 3 mm Depth 6 82 173 2 mm Width 5 00 125 0 mm behind panel Weight 2 1 105 955g Mounting Dzus rail Faceplate Engraved acrylic edge lit panel Material Finish Chassis amp cover are 5052 H32 brushed aluminum with conversion coating finish Connectors Male 50 pin amp 37 pin D submin connectors with slide locks April 22 2012 Rev 2 00 ENG FORM 800 0100 DOTX Page 1 3 CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 1 4 3 Environmental Specifications DO 160C Env Cat B1 CANXXXXXXABABBBBXXX Operating Temperature 20 C to 55 C Survival Temperatures 55 C to 85 C Vibration Shock DO 160C Cat N Humidity 95 Altitude 25 000 feet max
24. o complete the installation The kit consists of one 50 Pin D min Female Crimp Kit DBOSL IKC and one 37 Pin D min Female Crimp Kit D37SL IKC D50SL IKC consists of Quantity Description AEM Part 1 D min 50 Socket Housing 20 21 050 50 MS Crimp Socket 20 26 901 1 Jack Screw Set 20 27 002 1 Lock Clip Set 20 27 004 1 50 Pin Connector Hood 20 29 051 D37SL IKC consists of Quantity Description AEM Part 1 D min 37 Socket Housing 20 21 037 37 MS Crimp Socket 20 26 901 15 Jack Screw Set 20 27 002 1 Lock Clip Set 20 27 004 1 37 Pin Connector Hood 20 29 038 Use as required April 22 2012 Rev 2 00 Page 2 6 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 2 7 Installation Drawings DRAWING REV DESCRIPTION TYPE SERIAL No AMS43M03 0 1 42 Audio Controller Interconnect 2580 and up AMS43 403 1 1 12 Audio Controller Interconnect 2580 and up AMS43M03 2 1 42 Audio Controller Interconnect 2580 and up AMS43M05 0 1 00 Audio Controller Connector Map 2580 and up AMS43 905 0 2 00 Single Channel Audio Controller Faceplate 2580 and up I AMS43 922 0 1 01 Audio Controller Mech Installation 2580 and up Section 2 0 ends following the above documents April 22 2012 Rev 2 00 Page 2 7 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP REVISIONS DESCRIPTION
25. o is when an audio signal from an existing warning system is connected directly into the audio system and is not front panel selectable There are two Direct Audio inputs on the AMS43 Direct Audio 1 is amplified adjustable and Direct Audio 2 is connected directly to the pilot s headset output 3 5 2 Internal Alerting Internal Alerting is provided by three separate internal tone generators that are coupled to the headset output These tones are a function of the AMS43 itself and can be used to supplement existing warning tones Low Rotor Engine Out warnings in a Bell 206 or provide unique alerting capability for functions such as ICS Call Rad Alt DH warning etc The internal alerts and how they will be used are determined at the time of installation and are not front panel selectable Section 3 0 ends April 22 2012 Rev 2 00 Page 3 4 ENG FORM 806 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP
26. olume setting prior to conducting tests and slowly increase the headset volume to a comfortable listening level April 22 2012 Rev 2 00 Page 2 1 ENG FORM 805 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual 2 4 2 Cautions CAUTION Do not bundle any lines from this unit with transmitter coax feed 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 only as indicated Significant problems may result from not following these guidelines Failure to follow the installation and wiring instructions provided in this manual for power and ground connections including the rating of the circuit breaker may lead to damage in the power input circuitry of the unit 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 T
27. rail mounted unit with a backlit faceplate Transceiver interfacing is accomplished through directly switched microphones To ensure maximum radio compatibility it has a ground referenced keyline that does not incorporate diodes or other steering components Independent control is provided for S T ICS audio and RX audio Boom mic support is provided for the pilot and co pilot with both ICS and TX functions via cyclic or yoke switching Live Hot Mic and VOX ICS allow immediate transmission without additional control panel switching with immediate return to ICS operation on completion The ICS function is achieved using dynamic noise reduction and active filtering This provides the clearest possible ICS audio under high ambient noise conditions by rejecting airframe and wind noise and passing only voiceband information All audio except the S T of the radio in use and DIRECT AUDIO 2 input signals is muted during TX for clarity ICS operation allows TX during any ICS mode by using the TX push to talk PTT switch All external interconnect switches and relay contacts are gold plated for maximum reliability Switches and relays are sealed G10 FR flame retardant circuit boards are postcoated for maximum moisture resistance and corrosion prevention Relays are sealed high vibration rated 50g shock dry nitrogen filled units April 22 2012 Rev 2 00 Page 1 1 ENG FORM 800 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS
28. re individually adjusted with rotary controls 3 3 1 Receive Audio Select Switches Transceiver Receive NAV Aid Audio Select Switches Audio Select Switches UN S RX ON NAVI ADF1 9 009000906 N 7 AMS43 M2 NAV2 ADF2 RX VOL B amp Qs PILOT ICS nat XN VOX TAPE A ka ICS VOL Q QO o LIVE OM1 KEY lt G Mode Switch Receive Volume Control The transceiver RX audio select switches white switch bats are two position switches When set to the up position the respective transceiver RX audio is selected on When set to the down position the respective transceiver RX audio is selected off April 22 2012 Rev 2 00 Page 3 1 ENG FORM 806 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP JV AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual The NAV RX audio select switches blue switch bats are three position switches When set to the up or down position the respective NAV RX audio is selected on When set to the center off position the respective NAV RX audio is selected off The master RX volume control RX VOL adjusts all RX audio concurrently from 1 to full It is important to set the individual radio volume controls to a nominal level and then use the master RX VOL control on the audio controller to adjust for changing flight conditions When the red mode switch is set to NORMAL the passengers will h
29. st with the AMS43 in PILOT ISO EMR Pilot isolate emergency mode then adjust the AMS43 front panel RX master volume control level in NORMAL mode Unusual buzzes hums or other background audio are symptomatic of multiple grounds or noisy external systems sharing the same wire bundle Incorrect jack wiring is a common fault especially for passenger stations and may cause loss of audio a tone on the headset lines or other problems Failure to key or correctly modulate a transceiver may be caused by missing grounds on the radio or audio controller Plug in the hand mic and test for correct operation Wiring faults for this accessory may cause peculiar loss of ICS or TX functions because it has over riding priority in the system Plug in the remaining headsets and check for proper operation An incorrect drop cord or improper jack wiring may cause a wide range of problems from loss of audio to a tone heard in the headset For further information see section 2 5 3 below Check levels and operation of all functions in flight to ensure proper adjustments and settings have been made 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 2 5 Adjustments and Connections The unit ships from the factory with all internal adjustments set to the norma
30. tatus of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual Issue Section Revision Description Issue Date Number Revision Number 4 00 N A N A Nov 10 2003 4 01 Section 1 Rev 1 00 Rewritten in latest format Sep 23 2008 Section 2 Rev 1 00 Newest drawings added Section 3 Rev 1 00 AEM MANUAL REVISIONS Section Revision Number Revision Description Date All Rev 2 00 Updated drawings and format April 22 2012 Installation and Operation Manual Page iii ENG FORM 820 0100 DOTX CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP Section 1 0 AAR AWD N 2 0 AMS43 Single Channel Audio Controller SM59 Installation and Operation Manual Table of Contents Title Description Introduction Purpose of Equipment Design Features Specifications Electrical Specifications Physical Specifications Environmental Specifications Installation Introduction Unpacking and Inspection Warranty Continued Airworthiness Installation Procedures Warnings Cautions Cabling and Wiring Post Installation Checks Adjustments and Connections Left Side panel adjustments Right Side Panel Adjustments In line PTT Drop Cords Accessories Required But Not Supplied Install
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