Communications

Question 1

Offside Turning Lights? ( white )

Answer 1

if illuminated the radio normally associated with this panel is being tuned by another radio panel.

Question 2

HF ranges from?

Answer 2

2.000 to 29.999 megahertz

Question 3

ALT-NORM ? alternate - Normal switch?

Answer 3

NORM. ACP operates normally

ALT. ACP operates in degraded mode.

Question 4

SELCAL light white?

Answer 4

alerts crew to incoming communications

must push to extinguish and reset SELCAL light.

Question 5

Service Interphone switch?

Answer 5

OFF. external jacks are deactivated.

ON. adds external jacks to service inter phone system.

Question 6

Voice Recorder switch?

Answer 6

AUTO. powers system from engine start until 5 minutes after last engine shutdown.
ON. powers system until engine start then trips to AUTO.

Question 7

Cockpit Voice Recorder?

Answer 7

Uses Four independent channels
Recored flight deck audio for 120 minutes
Older the 120 minutes are erased