Northern Airborne Technology AMS42 - Manual (Page 23)

AMS42/44 Dual Channel Audio Controller Manual SM19 Rev 4.00
Nov 21, 2003 Page 2-5
ENG-FORM: 805-0102.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
2.5.2.4 Rear Hand Mic (R MIC) and Passenger Headphones (PAX)
Switch Positions Selection Examples
Rear Hand Mic (R MIC)
The R MIC rocker switch programs the Rear Hand Mic for functioning through the left or
right TX selector switch. The position of the switch can be toggled between Left User
(pressed downwards at the OUTBOARD end), or Right User (pressed downwards at the
INBOARD end.) It is factory pre-set to select the Left user.
Note: The TX annunciator will not light when the hand mic is used.
Passenger Headphones (PAX)
The PAX rocker switch programs the passenger headphones to the headphone audio
selected by either the Left User or the Right User. The position of the switch can be
toggled between Left User (pressed downwards at the OUTBOARD end, or Right User
(pressed downwards at the INBOARD end.) It is factory pre-set to select the Left user.
2.5.2.6
DIR #1 AUDIO LEVEL
The DIR #1 AUDIO LEVEL can be adjusted using the pot accessible through the right
side of the case. Rotating the pot clockwise increases the sidetone, and
counterclockwise reduces it.
2.5.3 Left Side
A red LED can be seen through the aperture marked POWER ON. This illuminates to
indicate that the power supply is connected to the unit.
R MIC PAX
l l R MIC
Right User
selected
PAX
Left User
selected