Becker ACU6100 series Owner's manual

Becker Avionics GmbH •Baden-Airpark B108 •77836 Rheinmünster •Germany
+49 (0) 7229 / 305-0 •Fax [phone] / 305-217
http://www.becker-avionics.com •E-mail: [e-mail]
Installation and Operation
Manual DV64440.03
Issue 09 November 2019
Article-No. 0589.845-071
Audio Control Unit
ACU6100

Installation and Operation
Becker Avionics
2 ACU6100 DV64440.03 Issue 09 November 2019
Approved Production and Maintenance Organization
Certificates see: http://www.becker-avionics.com/certification/ →Certificates
Contact data for:
Europe, Asia,
Oceania and
Africa
Becker Avionics GmbH
Baden-Airpark B108
77836 Rheinmünster (Germany)
Tel.: + 49 (0) 7229 / 305-0
Fax: + 49 (0) 7229 / 305-217
Internet: www.becker-avionics.com
Email: [e-mail]
Customer Service:
Email: [e-mail]
Contact data for:
America,
Australia, Japan
Becker Avionics Inc.
Email: [e-mail]
WARNING - USER RESPONSIBILITY
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED
HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY
DAMAGE.
This document and other information from Becker Avionics provide product or system options for
further investigation by users having technical knowledge.
The user is responsible for making the final selection of the system and components. The user has to
assure that all performance, endurance, maintenance, safety requirements of the application are met
and warnings be obeyed.
For this the user has to include all aspects of the application to be compliant with the applicable
industry standards and the requirements of the responsible aviation authority. The product
documentations from Becker Avionics have to be obeyed.
To the extent that Becker Avionics provide component or system options based upon data or
specifications provided by the user, the user is responsible for determining that such data and
specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the
components or systems.
Term definition: User in the sense of user, installer, installation company.

Becker Avionics
Installation and Operation
DV64440.03 Issue 09 November 2019 ACU6100 3
Preface
Dear Customer,
Thank you for purchasing a Becker Avionics product. We are pleased that you have chosen our
product and we are confident that it will meet your expectations.
For development and manufacturing of our product, the guidelines for highest quality and reliability
have been borne in mind, supplemented by selection of high-quality material, responsible production
and testing in accordance to the standards.
Our competent customer support department will respond on any technical question you may have.
Please do not hesitate to contact us at any time.
ACU - Audio Control Unit*
ACU6100
* design depends on variant.
* Some figures in this manual are for basic understanding and can be different to the actual design.

Installation and Operation
Becker Avionics
4 ACU6100 DV64440.03 Issue 09 November 2019
List of Effective Pages and Changes
Only technical relevant modifications are described in this table.
Document: DV64440.03 issue 09 Article Number 0589.845-071
Cover Page 11/2019
Introduction 11/2019
Chapter 1 – 4 11/2019
Issue Page No.: Section /
Chapter Description
09 1-64 all Updated: Editorial adjustments.
-- 1.8.9 Updated: Environmental conditions
-- 2.5.1 Updated: Connector description P1.
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© by Becker Avionics GmbH / all rights reserved

Becker Avionics
Installation and Operation
DV64440.03 Issue 09 November 2019 ACU6100 5
Table of Contents
1General Description ...................................................................................................................11
1.1 Introduction ................................................................................................................................12
1.2 Purpose of Equipment................................................................................................................12
1.3 Variants Overview......................................................................................................................13
ACU6100-X-(XXX) ...........................................................................................................13
ACU6100-X-(XXXX).........................................................................................................14
Software Status................................................................................................................14
1.4 Associated Devices....................................................................................................................15
Overview ..........................................................................................................................15
1.5 Scope of Functionality................................................................................................................16
Control Elements..............................................................................................................16
In/Outputs ........................................................................................................................16
Intercom Function ............................................................................................................16
Signal Tones ....................................................................................................................17
Built-In Tests ....................................................................................................................17
Emergency Operation (Back-Up Operation) ....................................................................17
Slave Operation ...............................................................................................................17
Interface ...........................................................................................................................17
Special Functions.............................................................................................................17
1.6 Safety-Conscious Utilization.......................................................................................................18
1.7 Restriction for Use......................................................................................................................18
1.8 Technical Data ...........................................................................................................................19
General Characteristics....................................................................................................19
Control Data Interface ACU-REU.....................................................................................19
Control Inputs (Discrete) ..................................................................................................19
Dimensions & Weight.......................................................................................................19
Device Connectors...........................................................................................................19
Software...........................................................................................................................20
Hardware .........................................................................................................................20
Continued Airworthiness ..................................................................................................20
Environmental Conditions ................................................................................................21
Certifications ....................................................................................................................22
1.9 Order Code ................................................................................................................................23
ACU6100 .........................................................................................................................23
Accessories......................................................................................................................23
Documentation.................................................................................................................24
2Installation ..................................................................................................................................25
2.1 Packaging, Transport, Storage...................................................................................................25
2.2 Device Assignment ....................................................................................................................26
Scope of Delivery.............................................................................................................26
State of Delivery...............................................................................................................26
Additional Equipment .......................................................................................................26
Type Plate........................................................................................................................27
Software/Firmware Status – Functionality........................................................................28
2.3 Installation Requirements...........................................................................................................28
ACU6100 - Gravo Plate Installation .................................................................................29
ACU6100 - Laser Plate Installation ..................................................................................30
2.4 Dimensions ................................................................................................................................31
ACU6100 .........................................................................................................................31
2.5 Connector Pin Assignments.......................................................................................................32
Connector P1 ...................................................................................................................32
Connector P2 ...................................................................................................................33
Address Coding................................................................................................................33
2.6 Aircraft Wiring.............................................................................................................................34
Electrical Bonding and Grounding....................................................................................34
ACU6100 - Power Supply Connections ...........................................................................35
ACU6100 - CANbus and Device Address ........................................................................35
Wiring - 6x ACU6100, CANbus and Device Address .......................................................37
2.7 Configuration..............................................................................................................................39
2.8 Functions....................................................................................................................................39
Intercom Circuits ..............................................................................................................39

Installation and Operation
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6 ACU6100 DV64440.03 Issue 09 November 2019
Example: Intercom Extension for Passengers..................................................................39
Example: Intercom Extension for Ground Crew ...............................................................40
Emergency Call (E-Call)...................................................................................................40
2.9 Selective Call..............................................................................................................................40
2.10 Post Installation Check...............................................................................................................41
Mechanical Installation and Wiring Check........................................................................41
Power Supply ...................................................................................................................41
Power On Check ..............................................................................................................41
3Operation.....................................................................................................................................43
3.1 General ......................................................................................................................................43
3.2 Device Description .....................................................................................................................44
Device Assignment...........................................................................................................44
Packing, Transport, Storage.............................................................................................44
Scope of Delivery .............................................................................................................44
State of Delivery...............................................................................................................44
Type Plate ........................................................................................................................44
Controls and Indications...................................................................................................44
3.3 Start-Up......................................................................................................................................48
3.4 Volume Adjustment ....................................................................................................................48
Main Volume Adjustment .................................................................................................48
IC Volume Adjustment......................................................................................................49
Channel Volume Adjustment............................................................................................49
3.5 Channel Monitoring ....................................................................................................................50
Forced Monitoring ............................................................................................................50
3.6 Transceiver Operation................................................................................................................51
TX-Channel Selection ......................................................................................................51
Dual- and Multi Transmission Mode (Simulcast) ..............................................................51
Relay Mode ......................................................................................................................51
Transmission on TX-Channels .........................................................................................53
3.7 Intercommunication between Users ...........................................................................................54
Isolated / Call Function - Cockpit......................................................................................54
Isolated / Call Function - Cabin ........................................................................................55
Emergency Call (E-Call)...................................................................................................55
3.8 Intercom Operation Mode...........................................................................................................55
Intercom Operation with Voice Controlled Intercom (VOX) ..............................................56
Intercom Operation with PTT-IC Switch ...........................................................................56
Intercom Operation with External PTT Switch or ACU PPT Switch..................................57
3.9 Winchman Operation..................................................................................................................57
3.10 Selective Call..............................................................................................................................58
3.11 Voice Filter (Ident Tone Suppression) ........................................................................................58
3.12 Marker Mute ...............................................................................................................................59
3.13 Loudspeaker Operation..............................................................................................................59
3.14 Emergency Operation ................................................................................................................60
Slave Operation ...............................................................................................................60
Back-Up Operation...........................................................................................................60
3.15 Built-In Tests ..............................................................................................................................61
Power-on Build-In Test (PBIT) .........................................................................................61
Continuous Build-In Test (CBIT) ......................................................................................61
Initiated Build-In Test (IBIT)..............................................................................................61
3.16 ACU6100-X-(X9X) - RX Variant .................................................................................................62
3.17 ACU6100-X-(XXX5) - Fixed Wing Variant ..................................................................................63
3.18 Contact Data ..............................................................................................................................63
4Index ............................................................................................................................................64

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DV64440.03 Issue 09 November 2019 ACU6100 7
List of Figures
Some figures in this manual are for basic understanding and can be different to the actual design.
Figure 1: ACU6100-X-(X9X) - RX Variant ...........................................................................................................13
Figure 2: ACU6100-X-(XXX0) - Rotary Wing Variant ..........................................................................................14
Figure 3: ACU6100-X-(XXX5) - Fixed Wing Variant ............................................................................................14
Figure 4: DVCS6100 Application with six ACU6100............................................................................................15
Figure 5: Type plate (example)...........................................................................................................................27
Figure 6: ACU6100 - Gravo Plate Installation .....................................................................................................29
Figure 7: ACU6100 - Laser Plate Installation ......................................................................................................30
Figure 8: Dimensions ACU6100 .........................................................................................................................31
Figure 9: ACU6100 – connector layout ...............................................................................................................32
Figure 10: Wiring - Power Supply .......................................................................................................................35
Figure 11: Wiring - Device Address, CANbus .....................................................................................................35
Figure 12: Wiring - 6x ACU6100, CANbus and Device Address ..........................................................................37
Figure 13: Operation - Intercom Extension for Passengers .................................................................................39
Figure 14: Operation - Intercom Extension for Ground Crew...............................................................................40
Figure 15: ACU6100 - User Interface .................................................................................................................44
Figure 16: Operation - Main Volume...................................................................................................................48
Figure 17: Operation - Main Volume...................................................................................................................49
Figure 18: Operation - Main Volume...................................................................................................................49
Figure 19: Operation - Channel Monitoring.........................................................................................................50
Figure 20: Operation - Forced Monitoring for TX1...............................................................................................50
Figure 21: Operation - TX-Channel Selection, TX1 .............................................................................................51
Figure 22: Operation -Relay Mode......................................................................................................................52
Figure 23: Operation - Transmission on TX1 ......................................................................................................53
Figure 24: ACU6100-X-(X9X) - RX Variant .........................................................................................................62
Figure 25: ACU6100-X-(XXX5) - Fixed Wing Variant ..........................................................................................63
List of Abbreviations
List of Abbreviations
AC
Advisory Circular
AC
Alternating Current
ACU
Audio Control Unit
ADF
Automatic Direction Finder
AF
Audio Frequency
AGC
Automatic Gain Control
Amp.
Amplifier
ARINC
Aeronautical Radio Incorporated
AWG
Air Wire Gauge
BIT
Built-In-Test
BITE
Built-In-Test-Equipment
CAN
CANbus
CBIT
Continuous Build-In Test
COM
Radio Transceiver
CPU
Central Processing Unit
CSW
Configuration Software
CVR
Cockpit Voice Recorder

Installation and Operation
Becker Avionics
8 ACU6100 DV64440.03 Issue 09 November 2019
List of Abbreviations
DC
Direct Current
DIN
Deutsche Industrie-Norm
DME
Distance Measuring Equipment
DSP
Digital Signal Processing
DV
Druckvorschrift (manual designation)
DVCS
Digital Voice Communication System
DZUS
Turnlock fasteners (inventor - William Dzus)
EASA
European Aviation Safety Agency
Europäische Agentur für Flugsicherheit
EN
European Norm
EMER
Emergency Operation, Back-up Operation
ESD
Electro-Static Sensitive Device
EUROCAE
European Organization for Civil Aviation Electronics
FAA
Federal Aviation Administration
FIX
Fixed Input
FM
Frequency Modulation
GND
Ground
HF
High Frequency
HI
High
IBIT
Initiated Build-In Test
IC
Intercom, Intercommuncication
ISO
International Standard Organization
ISO/CALL
Intercom Request Call
Mic
Microphone
Mike
Microphone
MKR
Marker Receiver
Out
Output
PA
Public Address
PBIT
Power-on Build-In Test
Pos.
Position
PTT
Push-To-Talk
REU
Remote Electronic Unit
RF
Radio Frequency
RTCA
Radio Technical Commission for Aeronautics
RX
Receiver
SPKR
Loudspeaker
TX
Transmitter, Transmission
VOX
Voice Operated Switch

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DV64440.03 Issue 09 November 2019 ACU6100 9
Units
Units
A
Ampere
mA
Milliampere
°C
Degree Celsius
cm
Centimeter
cd/m2
Candela Per Square Meter (1 cd/m2= 1 nit)
dBm
Power Ratio In Decibel referenced to 1 mW
dB
Decibel
g
Gram
kg
Kilogram
kHz
Kilohertz
MHz
Megahertz
mm
Millimeter
Nm
Newton Meter
NM
Nautical Mile (1NM = 1852,0 m)
Ohm (Ω)
Resistance
s
Second
V
Volt
mV
Millivolt
W
Watt
mW
Milliwatt
"
Inch
General Safety Definitions
Indicates a hazardous situation which, if not prevented, will result in death or
serious injury.
Indicates a hazardous situation which, if not prevented, could result in death or
serious injury.
Indicates a hazardous situation which, if not prevented, could result in minor or
moderate injury.
Is used to address practices not related to physical injury.
Safety instructions (or equivalent) signs indicate specified safety-related
instructions or procedures.

Installation and Operation
Becker Avionics
10 ACU6100 DV64440.03 Issue 09 November 2019
Disposal
The packaging material is inflammable, by burning toxic fumes may develop.
This product contains materials that fall under the special disposal regulation. We recommend the
disposal of such materials in accordance with the current environmental laws.
•Dispose circuit boards by a technical waste dump which is approved to take on e.g.
electrolytic aluminium capacitors. Do under no circumstances dump the circuit boards with
normal waste dump.
Warranty Conditions
The device(s) may be installed on an aircraft only by an approved aeronautical
company (e.g. Part 145) which shall also examine the installation.
Any change made by the user excludes any liability on our part (excluding the work described in this
manual).
•The device must not be opened.
•Do not make any modifications to the device, except for those described in the manual.
•Make connections to the inputs, outputs and interfaces only in the manner described in
the manual.
•Install the devices according to the instructions.
We cannot give any guarantee for other methods.
Conditions of Utilization
With this device you bought a product which was manufactured and tested before delivery with the
utmost care.
Please take your time to read the instructions which you ought to follow closely during installation and
operation.
Otherwise all claims under the warranty will become void and a decreased service life or even
damages must be expected.
The user is responsible for protective covers and/or additional safety measures in
order to prevent damages to persons and electric accidents.
Additional Conditions of Utilization
Please refer to "Safety-Conscious Utilization", page 18.
Non-Warranty Clause
We checked the contents of this publication for compliance with the associated hard and software. We
can, however, not exclude discrepancies and do therefore not accept any liability for the exact
compliance. The information in this publication is regularly checked, necessary corrections will be part
of the subsequent publications.