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.
SM19 AMS42/AMS44 Series Dual Channel Audio Controllers INSTALLATION AND OPERATION MANUAL 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 CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
AMS42/AMS44 Dual Channel Audio Controller SM19 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.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Prepared By: Checked By: Tony Pearson Designer May 29, 2012 Approved By: Tom Betzelt Product Support Manager June 11, 2012 Loen Clement Designer Jun 11/12 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.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Table of Contents Section Title 1.0 Description 1.1 1.2 1.3 1.3.1 1.3.2 1.3.3 1.4 1.4.1 1.4.2 1.4.3 1.5 Introduction Purpose of Equipment Features Transmit Features Receive Features ICS Features Specifications Electrical Specifications Physical Specifications Environmental Specifications 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 2.5 2.5.1 2.5.2 2.5.3 2.5.4 2.5.5 2.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Section 3.5.2 3.6 3.6.1 3.6.2 3.7 3.8 3.9 3.9.1 3.9.2 3.10 3.10.1 3.10.2 3.10.3 3.10.4 3.10.5 3.11 3.11.1 3.11.2 3.12 3.12.1 3.12.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Section 1.0 Description 1.1 Introduction This manual contains information on the AMS42 and AMS44 Dual Channel Audio Controllers. Information in this section consists of purpose of equipment, features and specifications. 1.2 Purpose of Equipment The AMS42 and AMS44 are dual channel audio controllers that provide central control of all aircraft audio.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 1.3.1 Transmit Functions Both controllers provide equal transmit capability between left and right sides and support the use of a hand microphone. The hand mic is internally configured for left or right side operation, and is connected directly to the selected radio for use during emergency or equipment failure situations.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 1.4 Specifications 1.4.1 Electrical Specifications 1.4.2 Input Power Typically +22 to +32 Vdc at 250 mA Lighting 160 mA at 28 Vdc Microphone Requirement ‘Carbon equivalent’ 250 mV into 150Ω min. (David Clark M1/DC, M3, M4, M7 recommended) Receive Audio Requirement 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.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 1.4.3 Environmental Specifications Temperature: -20q C. to +55q C (ambient) -55q C. to + 85q C (survival) Altitude 25,000 feet max Humidity 95% Non-condensing Shock 12 g (any axis) Vibration Conforms to DO-160B category ‘P’ 1.5 Unit Nomenclature The AMS42/44 series are designed to be generic, fixed attribute audio controllers. For this reason a limited number of models are available.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Section 2.0 Installation 2.1 Introduction Installation information in this section consists of unpacking and inspection procedures, installation procedures, post-installation checks and installation drawings. Check all notes and cautions before installation. 2.2 Unpacking and Inspection Unpack the equipment carefully.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 2.4.2 Cautions 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.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 2.5.1 Top Panel Adjustments 2.5.1.1 Receive Selection Switches AMS42: The receive selection switches for the navaids are two banks of rocker switches accessible through the top cover. The right side of the controller responds to the switches labeled RIGHT USER RX and the left side responds to the switches labeled LEFT USER RX. Each switch can be individually selected or deselected by toggling the position of the switch.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 2.5.1.2 DIR AUDIO Inputs These are coupled directly to either the Right User (P) or Left User (C) of the controller by jumpers accessible through the top cover and labeled DIR AUDIO #1 or DIR AUDIO #2. The factory setting is for coupling to the Right User. Coupled to Right User C Coupled to o P o o o C Left User o Coupled to o Right User Coupled to P Left User Couplings for DIR AUDIO #1 2.5.1.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 2.5.2.3 ICS GAIN LEVEL This factory preset pot may be covered by an adhesive disc to prevent field adjustment. Under normal operation this pot does not need to be adjusted. Any adjustment should be carried out by qualified personnel only! 2.5.2.4 Rear Hand Mic (R MIC) and Passenger Headphones (PAX) R MIC l PAX l Switch Positions 2.5.2.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 2.5.4 Post-Installation Checks With the controller disconnected from its mating connector, check P101 pin <17> for +28 Vdc relative to ground, and check P101 pin <34> for continuity to ground (below 0.5 :). Check P102 pin <19> for the presence of the lamp dimmer voltage. Check all mic, phone, music, and key lines for shorts to ground or adjacent pins. Check all key lines for correct operation.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual D50SL-IKC consists of Quantity 1 50 1* 1* 1 Description D-min 50 Socket Housing MS Crimp Socket Jack Screw Set Lock Clip Set 50 Pin Connector Hood AEM Part # 20-21-050 20-26-901 20-27-002 20-27-004 20-29-051 Description D-min 37 Socket Housing MS Crimp Socket Jack Screw Set Lock Clip Set 37 Pin Connector Hood AEM Part # 20-21-037 20-26-901 20-27-002 20-27-004 20-29-038 D37SL-IKC consists of Quantity 1 37 1* 1* 1 * Use as r
2.00 RAS #19 - CHANGED TO AEM LOGO, UPDATED HOLE SCHEDULE. VOX RX-ON AMS42 COM 1 COM 2 FM1 AUX ICS VOL ISO COM 2 FM1 FM2 AUX TX ICS VOL TX PA RDB RX-ON COM LIVE 1 FM2 KEYED Nov 10/11 NORM PA Confidential and Proprietary to NAT KELOWNA BC CANADA (250)-763-1088 WWW.AEM-CORP.COM Nov 16/11 21 Nov 11 DUAL CHANNEL AUDIO CONTROLLER REV SIZE A AMS42 L9015 1:1 905-0 2.
1.55 [39.4] Tony Pearson Designer Mar 7, 2011 8.54 [216.9] 6.82 [173.
2.00 17-Jan-12 RAS #38 - CHANGED TO AEM LOGO, UPDATED FORMAT. NAV1 NAV2 ADF DME NAV1 NAV2 MKR ADF DME MKR OFF OFF AMS44 MWS COM1 COM2 FM1 FM2 AUX FM PTT PA ICS VOL TX AUX COM1 COM2 FM1 FM LIVE ISO FM2 PA OPER EMER TX ICS VOL NORM KELOWNA BC CANADA (250)-763-1088 WWW.AEM-CORP.COM Jan 17/12 17 Jan 12 DUAL CHANNEL AUDIO CONTROLLER REV SIZE A AMS44 L9015 1:1 905-0 2.
8.54 [216.9] 6.82 [173.2] Reviewed/Approved Tony Pearson Designer May 29, 2012 RAS# 82 1.55 [39.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual Section 3.0 Operation This section is divided to provide model-specific Operational instructions. Operation Instructions for the AMS42 can be found in Sections 3.1 to 3.6. Operation Instructions for the AMS44 can be found in Sections 3.7 to 3.12. 3.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.3 AMS42 - Selection of Transmit Functions Transmit Annunciator 3.3.1 Left User (Co-pilot) Transmit Selector Right User (Pilot) Transmit Selector Transmit Annunciator Transmit Selectors The transmit selector controls are six position rotary switches, one on each side of the panel to correspond to the user on that side of the aircraft. The controls select the transmit function required by the relevant user.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.4 AMS42 - Transceiver Receive Functions 3.4.1 Receive Selection Switches The receive audio is selected by switching any of the RX switches (white switch bats) UP to connect the indicated radio to the headphone bus. The AUX position does not have a separate RX switch and is connected to the headphone bus by rotating the TX selector to the AUX position. See section 3.4.3.1 for RX volume control. 3.4.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.4.3 Volume Controls The controller features individual master RX and ICS VOL controls on both the left and right sides of the unit, which can be adjusted to suit the specific user's requirements. 3.4.3.1 RX Volume Control The RX knobs are the smaller, topmost controls of the dual concentric volume control assemblies. The RX VOL controls provide adjustment of the RX audio selected by the controller.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.5.1 ICS Modes of Operation Intercom system (ICS) audio may be implemented in three modes between users; LIVE (on constantly), VOX (voice activated), or KEYED (active only when switched by ICS PTT switch). The ICS mode is selected by the ICS Mode control (see below). It is common to use the LIVE mode during ground operations, start-up, etc.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.6 AMS42 - Mode Control The Mode Control switch is a three-position, locking toggle switch that is used to select between ISO, EMER OPER, and NORM. It is identified with a red cap. Mode Control Switch 3.6.1 Emergency Operation The center (EMER OPER) position of the mode switch places the controller into the emergency operation mode.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.7 AMS44 - General Operation The AMS44 provides one central controller for all the aircraft audio, allowing selection of transmit and receive audio, LIVE, PTT (Keyed), or VOX intercom, interface for an additional handheld transmit microphone (hand mic), and pilot/copilot isolation/ emergency operation.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.9 AMS44 - Selection of Transmit Functions Transmit Annunciator 3.9.1 Left User (Co-pilot) Transmit Selector Right User (Pilot) Transmit Selector Transmit Annunciator Transmit Selectors The transmit selector controls are six position rotary switches, one on each side of the panel to correspond to the user on that side of the aircraft. The controls select the transmit function required by the relevant user.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.9.1.3 TX Selector Example In the figure that follows, the positions of the rotary selector switches indicate that the left and right sides of the controller are set for transmit operation on the AUX FM transceiver. Both Transmit Selectors at AUX FM 3.9.2 Hand Microphone The hand mic functions without power and will work in emergency or equipment failure situations.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.10.2 Transceiver Selection Examples In the figure below, the right TX selector is set for transmit and receive operation on the AUX FM. The Receive function switches are also selected so the right side can monitor COM1 and FM2 transceivers as well as NAV1 and DME navaids. Note that PA, COM2, FM1, NAV2, ADF, and MKR are not selected.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.10.3.1 RX Volume Control The RX knobs are the smaller, topmost controls of the dual concentric volume control assemblies. The RX VOL controls provide adjustment of the RX audio selected by the controller from 10% to full.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.11.1 ICS Modes of Operation Intercom system (ICS) audio may be implemented in three modes between users; LIVE (on constantly), VOX (voice activated), or PTT (active only when switched by ICS PTT switch). The ICS mode is selected by the control (labeled ICS) in the middle of the top switch row. It is common to use the LIVE mode during ground operations, start-up, etc.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.12 AMS44 - Mode Control Mode Control Switch The Mode Control switch is a three-position, locking toggle switch that is used to select between ISO, EMER OPER, and NORM. It is identified with a red cap. 3.12.1 Emergency Operation The center (EMER OPER) position of the mode switch places the controller into the emergency operation mode.
AMS42/AMS44 Dual Channel Audio Controller SM19 Installation and Operation Manual 3.12.2 Isolation Operation The 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.