Anodyne Electronics Manufacturing AA83-001 Especificaciones descargar pdf (Pagina 14)

AA83-001 InterMUSIC™ Stereo Intercom System

SM09-2A Installation and Operation Manual

April 18, 2012 Rev: 5.00 Page 2-5

ENG-FORM: 805-0100.DOTX

CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.

2.3.6.2 Power On checks

WARNING

High volume settings can cause hearing damage.

Set the headset volume control to the minimum volume

setting prior to conducting audio tests, and slowly increase

the headset volume to a comfortable listening level.

Install the AA83-001 and power up the aircraft’s systems, and turn on the radios and accessories

required. Verify normal operation of all functions. Refer to Section 3 for specific operation details.

a) Begin with only the pilot's headset installed; no hand mic. Check for correct radio operation (both

receive and transmit) and ICS operation. Check yoke (or cyclic) switch action.

b) If there is a music source in the system turn it on and verify that music is heard in all modes

except PLT ISO. Check for proper mute operation.

Note: Unusual buzzes, hums or other background audio may be 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.

c) Plug in the copilot's headset. Check for correct radio and ICS operation. Check pilot's transmit

priority. Check yoke or cyclic switch functions, if applicable.

d) Plug in the hand mic (if applicable to the installation), and test for correct operation in all modes.

It must activate the transmitter(s) in all cases.

e) Plug in any remaining headsets, and check for correct ICS operation.

f) To verify proper operation, all functions and levels should be checked in-flight.

g) To verify 'fail-safe' operation, ensure that the front-panel switch is in the NORM position, and then

pull the breaker or fuse that powers the AA83-001. The pilot's headset is now connected directly

to the COM or audio panel, and should be checked to ensure the RX and TX functions work

properly. It may be necessary to adjust the RX VOL side trimpot to ensure RX audio from the

audio panel is at a suitable level for audibility.

Be sure headsets are of good quality and are installed correctly. Unless the AA83 has specifically been

wired for mono operation NEVER USE MONO AIRCRAFT HEADSETS in the system, as they will short

out one side of the AA83 power amplifier when installed in stereo jacks. This may result in eventual unit

failure, which IS NOT COVERED BY WARRANTY.

Upon satisfactory completion of all performance checks, make the required log entries and

complete the necessary Regulatory Agency paperwork before releasing the aircraft for service.

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Anodyne Electronics Manufacturing AA83-001 Especificaciones Pagina 14