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Audio Panel Controls
8
Rev. 0
Feb/06
N
CREW/PAX ICS VOL KNOB AND PUSH EMG/OFF
SWITCH
CREW/PAX ICS VOL (CREW/PASSENGER
INTERCOM SYSTEM VOLUME) KNOB
The CREW/PAX ICS VOL knob control adjusts the
loudness of the intercom only. Turning the inner knob
clockwise and counterclockwise sets the volume of
the headphone up or down respectively for the
CREW intercom. Turning the outer knob controls the
speaker or headphone volume for the passengers
(PAX) intercom. It has no effect on selected radio levels, music input
levels or passengers’ volume level.
PUSH EMG/OFF (POWER ON AND EMERGENCY/OFF) SWITCH
NOTE: In the event of a failure or loss of power to the audio panel, the
PUSH EMG/OFF power switch should be pressed. When
pressed, both pilots’ microphones are directly connected to the
COM 1.
The audio panel power is turned on and off by pushing the PUSH
EMG/OFF power switch. The power switch has two positions which are
On and EMG/OFF. The On position is not labeled on the switch but it is
implied On when not in the EMG/OFF position. The switch position is
the same for Emergency and Off and the modes of operation are identi-
cal. Refer to the Emergency Operation in this Pilot’s Guide for additional
information. The power switch also controls the intercom, audio selector
panel functions, and marker beacon receiver.
ICS (INTERCOM SYSTEM) BUTTON
The ICS selector button enables communication
between the pilot, copilot and all passengers that are on
a headset. The ICS rocker switch cycles through the
intercom modes, left to right or right to left, and wraps
around. An LED shows the active mode. Refer to
Intercom Operation in this Pilot’s Guide for additional information about
the intercom modes (Isolated [ISO], All and Crew).
The intercom volume is controlled by the CREW/PAX ICS VOL Knob.
Refer to the CREW/PAX ICS VOL (Crew/Passenger Intercom System
Volume) Knob paragraph in this Pilot’s Guide for additional information.
KMA 29 Audio Panel Pilot’s Guide