ATA 23

Transmission of microphone audio to a selected transmitter can be achieved thru Push To Talk (PPT) available on:

• Cyclic, foot operated and cursor control device (CCD)

• Cyclic, foot operated, cursor control device (CCD) and audio control panel

• Cyclic, foot operated and audio control panel

What component manages the communication equipment audio inputs and output?

• Audio control panel (ACP)

• Audio Management Unit (AMU)

• Remote Memory Unit (RMU)

Audio Management Unit located at

• Right Nose Avionic Cabinet

• Left Nose Avionic Cabinet

• Cabin roof structure

What component store the ICS software configuration data and aural alert files?

• Remote Memory Unit (RMU)

• Audio Control Panel (ACP)

• Audio Management Unit (AMU)

Modes of operation of ICS :-

• Normal, partial and backup

• Normal, backup and emergency

• Normal, partial, backup and emergency

The ICS, when backup modes is selected….

• Both pilots maintain full functionality, the cabin ACP and passenger headsets are disabled

• Both pilot have their own individual ACP control and cabin have separate ACP control

• Both pilots maintain full functionality, the cabin ACP and passenger headsets are enabled

During ACP emergency modes, what will occur?

• CAS advisory message ICS BKUP/EMER MODE

• Cabin ACP and passenger headset are enable

• Pilot have full function intercom and TX/RX functionality

Radio frequency can be tune via .....

• MCDU and CCD

• ACP and CCD

• AMU and RMU