INSTRUMENTS AND RECORDERS, COCKPIT VOICE RECORDER
Description
Aircraft Operations Manual
12/4.1
S3
PAGE
2
Jun 01/19
Applicable to A/C with Solid State with 30 minutes recording time
3.
CONTROLS AND INDICATORS
A11580rev
B
A
A
CABIN SIGN PANEL
SEAT
NO
CABIN SIGNS
BELT
OFF
SMOKING
ON
EMER
CALL
B*
CVR CONTROL PANEL
TEST
ERASE
HEADSET
Monitor meter.
Cockpit area microphone.
TEST button.
When pressed, an internal test starts pro-
ducing:
−
A 800 Hz audio tone to headset output.
−
A green band indication on the monitor
meter.
ERASE button.
When pressed at least 2 seconds with air-
craft on ground and with gust lock set all
data in the solid state flash memories will
be erased.
Headset output.
Used to monitor present recordings.
TEST button and TEST light.
When TEST button pressed, an internal
test starts producing:
−
The green TEST light comes on (extin-
guishes when TEST button is released).
−
A 600 Hz audio tone to headset output.
ERASE button.
When pressed at least 2 seconds with air-
craft on ground and with gust lock set all
data in the solid state flash memories will
be erased.
Headset output.
Used to monitor present recordings.
B*
CVR CONTROL PANEL
TEST
ERASE
HEADSET
COCKPIT VOICE
RECORDER
HOLD
5 SEC
*
Any of the two models can be used in
the aircraft
Fig. 1 Cockpit voice recorder
−
controls and indicators
