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757 MAINTENANCE MANUAL
 H. Crew Call Signals Test
 S 865-076
 (1)  Make sure that these P11 circuit breakers are closed:
 (a)  
11B16, AURAL WARN SPKR L

 (b)  
11B18, WARN ELEX B

 (c)  
11C23, INTERPHONE CABIN SERVICE

 (d)  
11H31, GND CALL

 (e)  
11H35, AURAL WARN SPKR RIGHT

 (f)  
11J33, WARN ELEX A

 S 865-591
 (2)  
Make sure that the cabin interphone system operates correctly (AMM 23-42-00/501).

 S 865-592

 (3)  
Momentarily push the FLIGHT DECK CALL SW on the P62 control panel in the nose wheel well.

 (a)  Make sure that a chime sound is heard.
 S 865-593
 (4)  Open this P11 panel circuit breaker:
 (a)  11B18, WARN ELEX B
 S 865-594
 (5) Momentarily push the PILOT switch on a cabin interphone headset.
 (a)  Make sure that a chime sound is heard from the two aural warning speakers.
 S 865-595
 (6)  Close this P11 panel circuit breaker:
 (a)  11B18, WARN ELEX B
 S 865-596
 (7)  Open this P11 panel circuit breaker:
 (a)  11J33, WARN ELEX A
 S 865-597
 (8) Momentarily push the PILOT switch on a cabin interphone headset.
 (a)  Make sure that a chime sound is heard from the two aural warning speakers.
 S 845-084
 (9)  Do the SELCAL System Adjustment/Test to make sure that a chime sound can be made from the SELCAL system (AMM 23-21-00/501).
 I. Fire Bell Warning Signals Test
 S 865-086
 (1)  Adjust the radio altimeter test set to 390 feet.
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757
MAINTENANCE MANUAL

 S 865-087
 (2)  Activate the nose gear not-compressed system 1 sensor switch (S10067) to simulate an IN-AIR condition.
 NOTE:____The switch can be activated with a sensor actuator. The actuator is to be held within 0.15 inches of the sensor. Masking tape or the equivalent can be used to hold the actuator in the necessary position. When the switch is activated, the switch will be in a target near condition.
 S 845-088
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN MOVE QUICKLY AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (3)  
Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the control surfaces.
　
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