Northern Airborne Technology AA82 - Manual (Page 9)

AA82 InterMUSIC™ Stereo Intercom System
SM09-1 Installation and Operation Manual
Section 2 Rev: 1.00 Issue 4 Page 2-3
ENG-FORM: 805-0117.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
2.4.4 Mounting
The AA82 InterMUSIC™ Stereo Intercom can be mounted in either a vertical or horizontal orientation.
Place the adhesive backed drill template in an appropriate place on the instrument panel and drill through
the indicated locations. The mounting nuts on the faceplate controls should not be removed at any time.
The clearance holes for the nuts should be 3/8" to allow them to fit through the instrument panel. The unit
is secured by three black Phillips screws, which require 5/32" holes.
Notes: 1) The clock mount faceplate used with the AA80 Series is not supplied.
2) Perform all functional tests and adjustments prior to mounting. Secure the unit to the panel
prior to flight.
2.4.5 Post Installation Checks
2.4.5.1 Voltage/Resistance Checks
Do not attach the AA82-xxx until the following conditions are met.
Check the following for the AA82-001:
a) Check pin 1 for +11 to +32 Vdc relative to ground.
b) Check pin 14 for continuity to ground (less than 0.5
Ω).
Check the following for the AA82-060:
a) Check pin 1 for +11 to +32 Vdc relative to ground.
b) Check pin 16 for continuity to ground (less than 0.5
Ω).
2.4.5.2 Power On Checks
Power up the aircraft’s systems and confirm normal operation of all functions of the AA82-xxx. Reference
Section 3 for specific operational details.
a) Check that headsets are installed correctly.
b) To verify proper operation, all functions and levels shall be checked in-flight.
c) Check preset adjustments are completed before aircraft departure.
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
All AA95/AMS4X Audio Controllers used with the AA82 must have the ICS Tie Line and Gain
Modifications installed. This applies to units with a serial number less than 1918.
The AA82-xxx has internal trimpot adjustments accessible through holes in the right and left sides of the
unit. The AA82-060 also has internal jumper settings for music input types. Reference Section 2.5.5 for
jumper settings.