S 864-031

 (2)  
Connect the 600 ohm headset at the voice-recorder control panel or at the voice recorder front panel.

 S 704-028

 (3)  
AIRPLANES WITH LORAL/FAIRCHILD MODEL A100 VOICE RECORDER; Push and hold the ALL TEST switch on the voice recorder for five seconds.

 (a)  Make sure that you hear a modulated sound in the headset, and the meter needle reads in the green area.
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 S 704-029
 (4)  AIRPLANES WITH LORAL/FAIRCHILD MODEL A100A VOICE RECORDER; Push and hold the TEST switch on the voice-recorder control panel (P5). (a) Make sure that you hear a series of modulated sound in the headset, and at the same time the meter needle reads in the
 green area.
 S 704-030
 (5)  AIRPLANES WITH LORAL/FAIRCHILD SOLID STATE VOICE RECORDER; Push and hold the TEST switch on the voice-recorder control panel (P5). (a) Make sure that you hear a series of modulated sounds in the headset, and the meter needle deflects and falls in the green area between tones.
 S 864-010
 (6)  Release the TEST switch.
 S 864-032
 (7)  Disconnect the headset at the voice recorder control panel or at the voice recorder front panel.
 S 864-012
 (8)  Remove electrical power if it is not necessary (AMM 24-22-00).

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 VOICE RECORDER CONTROL PANEL - REMOVAL/INSTALLATION
___________________________________________________
 1.  General_______
 A. The voice-recorder control panel M50 is on the pilots' overhead panel P5.
 TASK 23-71-02-004-001
 2.  Remove Voice Recorder Control Panel___________________________________
 A. Access
 (1)  Location Zone
 211/212 Control Cabin

 B. Procedure
 S 864-012
 (1)  Open this circuit breaker on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tag:
 (a)  11H33, VOICE RECORDER
 S 024-013
 (2)  Remove the voice-recorder control panel.
 TASK 23-71-02-424-002
 3.  Install Voice Recorder Control Panel____________________________________
 A. References
 (1)  24-22-00/201, Electrical Power - Control
 B. Access
 (1)  Location Zone
 211/212 Control Cabin

 C. Procedure
 S 424-014
 (1)  
Install the voice-recorder control panel.

 S 864-015

 (2)  
Remove DO-NOT-CLOSE tag and close this circuit breaker on the overhead circuit breaker panel, P11:

 (a)  11H33, VOICE RECORDER
 D. Voice Recorder Control Panel Installation Test:
 S 864-003
 (1)  
Supply electrical power (AMM 24-22-00).

 S 864-004

 (2)  
Connect the 600 ohm headset to the HEADSET or HEADPHONE jack on the voice recorder control panel (P5).

 (3)  
Push and hold the TEST switch on the voice-recorder control panel.

 S 704-005
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 (4)  S 204-037CONTROL PANEL WITH MONITOR METER (LORAL/FAIRCHILD CVR); Look at the monitor meter on the voice-recorder control panel for five seconds. Make sure that the needle moves into the green band. (a) AIRPLANES WITH A SOLID STATE VOICE RECORDER; Make sure that you hear four modulated sounds in the headphone.
　
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