| Audio Control Panel (ACP) |
Push–to–Talk Switch
(Spring–loaded to neutral position)
R/T (Radio–Transmit) – Keys oxygen mask or boom microphone
for transmission as selected by the transmitter selector.
I/C (Intercom) – Keys oxygen mask or boom microphone for
direct transmission over the flight interphone and bypasses the
transmitter selector.
(Spring–loaded to neutral position)
R/T (Radio–Transmit) – Keys oxygen mask or boom microphone
for transmission as selected by the transmitter selector.
I/C (Intercom) – Keys oxygen mask or boom microphone for
direct transmission over the flight interphone and bypasses the
transmitter selector.
