15. RCDR Panel

Question 1

How do you perform the CVR test?

Answer 1

o RCDR GND CTL pb‐sw………………………………………………………………………………. ON
 In order to perform the test, ensure that the PARK BRK is on.
o LOUDSPEAKER VOLUME knob………………………………………………. OFF (BOTH SIDES)
o ACP INT/RAD sw (CAPT and F/O)……………………………………………………….SET to INT
o INTERPHONE VOLUME RECEPTION KNOB (CAPT and F/O)…………………….. RELEASE
 Turn down the volume to the minimum.
o CVR TEST pb…………………………………………………………………..PRESS AND MAINTAIN
o The CVR test is successful when an audio test signal is heard through the loudspeakers and the
o CVR TEST pb is pressed and maintained.
o Depending on the CVR model, the audio test signal is:
 A continuous tone, or
 A short tone, or
 A short tone and a beep every 4 s, or
 Two short tones and a beep every 4 s

Question 2

What is the purpose of the GND CTL pb? Why do we select it on during preflight?

Answer 2

Allows the pilot to activate the CVR when the logic has automatically deactivated it. It is G4’s policy to record all checklists during preflight.

Question 3

What is the CVR and DFDR automatic activation logic?

Answer 3

o For 5 minutes after electrical power is supplied to the aircraft, or after last engine shutdown.
o After first engine start
o Anytime in flight

Question 4

How do you record the F/A’s PAs?

Answer 4

ACP 3 PA VOL knob out, set volume at or above medium range