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AA95-1000TSO Single Channel Audio Controller

 

Installation and Operation Manual 

 

Rev 1.01 

CONFIDENTIAL AND PROPRIETARY TO COBHAM

 

Page 2-1 

 
 

 

Section 2 Installation 

2.1  

Introduction 

Information in this section consists of unpacking and inspection procedures, installation procedures, post-
installation checks and installation drawings for the AA95-1000TSO Single Channel Audio Controller. 
 
Review all notes, warnings and cautions. 

2.2  

Airworthiness Limitations 

The Airworthiness Limitations Section is FAA approved and specifies maintenance required under 14 
CFR §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been 
FAA approved. 
  
There are no new (or additional) airworthiness limitations associated with this equipment and/or 
installation. 
 
Maintenance of the AA95-1000TSO 

Single Channel Audio Controller is ‘on condition’ only. Periodic 

maintenance of this product is not required. 

2.3  

Installation Procedures 

2.3.1  

Warnings 

WARNING: 

High volume settings can cause hearing damage.  

Set the headset volume control to the minimum volume setting prior to 

conducting tests, and slowly increase the headset volume to a 

comfortable listening level.  

2.3.2  

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. 

Содержание AA95-1000TSO

Страница 1: ...Aerospace Communications is responsible for full distribution and revisions of ICA s Instructions for Continued Airworthiness For inquiries regarding the content and currency of this manual contact W...

Страница 2: ...L AND PROPRIETARY TO COBHAM Page ii Prepared By Ken Marshall Checked By John Peterson Approved By John Markham REVISION RECORD Revision DCA Description Date 1 00 W13194 Initial Release Jul 10 2013 1 0...

Страница 3: ...Limitations 2 1 2 3 Installation Procedures 2 1 2 3 1 Warnings 2 1 2 3 2 Cautions 2 1 2 3 3 Cabling and Wiring 2 2 2 3 4 Legend Installation 2 2 2 3 5 Post Installation Checks 2 3 2 4 Adjustments and...

Страница 4: ...e controller allowing sidetone ICS audio and RX audio to be independently set Boom mic support is provided for the pilot co pilot and rear pilot with both ICS and XMIT functions via cyclic or yoke swi...

Страница 5: ...hannel Audio level 2 5 Vrms for receiver inputs 0 25 Vrms for mic inputs 0 34 Vrms for ICS tie input 2 5 Vrms for direct audio inputs Impedance 1 k 10 for receive inputs 100 10 for mic inputs 1 6 k 10...

Страница 6: ...rtion 3 dB max of rated output power 75 of rated load Annunciators Green LED will light for transmit operation Green LED will light for CALL or ISO operation 1 4 2 Physical Specifications Height 1 88...

Страница 7: ...Single Channel Audio Controller Installation and Operation Manual Rev 1 01 CONFIDENTIAL AND PROPRIETARY TO COBHAM Page 1 4 1 4 4 Product Approval FAA TSO C50c RTCA DO 170 Class Ia RTCA DO 160 A C Sec...

Страница 8: ...riodic maintenance of this product is not required 2 3 Installation Procedures 2 3 1 Warnings WARNING High volume settings can cause hearing damage Set the headset volume control to the minimum volume...

Страница 9: ...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 circu...

Страница 10: ...ce for the pilot Adjustment of the individual radio RX levels should be set first and then the front panel RX master volume control b Unusual buzzes hums or other background audio are symptomatic of m...

Страница 11: ...5 2 The S T LEVEL trimpot adjusts the internal gain of the sidetone of the selected transceiver from the front panel in the user s headphones The VOX LEVEL trimpot sets the sensitivity level for the f...

Страница 12: ...50 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 COBHAM No 1 D min 37 Socket Housing 20...

Страница 13: ...els are adjustable on the front panel All audio except the sidetone of the radio in use and the directly connected DIRECT AUDIO input signal see Section 3 5 1 is muted during transmit for clarity ICS...

Страница 14: ...cted on When set to the center off position the respective NAV receive audio is selected off The master receive volume control RX VOL adjusts all receive audio concurrently from 1 to full It is import...

Страница 15: ...counter clockwise and then slowly rotate clockwise until the intercom just becomes quiet This setting will vary with ambient noise conditions and the quality and number of microphones connected in th...

Страница 16: ...adequately for emergency operation Any selected receive audio is switched to the primary user pilot in the emergency mode but not to any passengers in the system Audio level will be lower than in NOR...

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