What is the function of the I/C position on the ACP push-to-talk
(PTT) switch ?
(PTT) switch ?
Keys the oxygen mask or boom microphone for direct transmission
over the flight interphone and by passes the transmitter selector.
The I/C switch is mainly used to establish crew communication
when the oxygen masks are in use.
over the flight interphone and by passes the transmitter selector.
The I/C switch is mainly used to establish crew communication
when the oxygen masks are in use.
| Audio Control Panel |
| 6 |