When corss side tuning, what color will the displays be?
Yellow
What mode are the aircrafts transponders?
Mode S
When does the Cockpit Voice Recorder begin recording?
When battery power is applied.
What is the recording interval of the Cockpit Voice Recorder?
The CVR is a 30 minutes loop.
If an RTU fails what can be done to regain control of its radios?
Press the RTU INHIB switchlight and use cross-side tuning.
What is the EMER switch used for on the Audio Control Panel?
The EMER switch hardwires the respective headset directly to the on-side radio at a set volume by bypassing the RTUs and Audio Control Panels.
What is COM 3 used for?
ACARS.