| Display Selector |
| Audio Control Panel (ACP) |
Alternate–Normal (ALT–NORM) Switch
NORM (Normal) –
ALT (Alternate) –
NORM (Normal) –
- ACP operates normally.
ALT (Alternate) –
- ACP operates in degraded mode.
In degraded mode only the following radios are available from the
respective ACP:
Captain's ACP in degraded mode : VHF–1
First Officer's ACP in degraded mode : VHF–2
Observer's (Aft Overhead) ACP in degraded mode : VHF–1
respective ACP:
Captain's ACP in degraded mode : VHF–1
First Officer's ACP in degraded mode : VHF–2
Observer's (Aft Overhead) ACP in degraded mode : VHF–1
Aft Electronic Panel 700/800/900
