Northern Airborne Technology AMS42 - Manual (Page 22)

SM19 Rev 4.00 AMS42/44 Dual Channel Audio Controller Manual
Page 2-4 Nov 21, 2003
ENG-FORM: 805-0102.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
2.5.1.2 DIR AUDIO Inputs
These are coupled directly to either the Right User (P) or Left User (C) of the controller
by jumpers accessible through the top cover and labeled DIR AUDIO #1 or DIR AUDIO
#2. The factory setting is for coupling to the Right User.
C
P C
P
Couplings
for DIR AUDIO #1 Couplings for DIR AUDIO #2
2.5.1.3
Intercom Isolation (ICS ISO)
The front panel mode switch can be used to isolate either the left (copilot) or right (pilot)
user by using the jumper labeled ICS ISO, which is accessible through the top cover. It is
normally set for isolation of the right user when the unit is shipped from the factory.
C P
2.5.2 Right Side Adjustments
2.5.2.1 Sidetone (LEFT USER S/T and RIGHT USER S/T)
The Left User and Right User transmit sidetone (S/T) can be adjusted using the pots
accessible through the right side of the case. Rotating the pots clockwise increases the
sidetone, and counterclockwise reduces it.
2.5.2.2
ICS TIE LEVEL
This factory-preset pot may be covered by an adhesive disc to prevent field adjustment.
Under normal operation this pot does not need to be adjusted. Any adjustment
should be carried out by qualified personnel only!
2.5.2.3
ICS GAIN LEVEL
This factory preset pot may be covered by an adhesive disc to prevent field adjustment.
Under normal operation this pot does not need to be adjusted. Any adjustment
should be carried out by qualified personnel only!
o
o
o
o o o
Coupled to
Left User
Coupled to
Right User
Coupled to
Right User
Coupled to
Left User
o o o
Coupled to
Left User
Coupled to
Right User