(a)  
On the overhead circuit breaker panel, P11: 1) 11A32, INDICATOR LIGHTS 1 2) 11P1, L IND LTS 1 3) 11P29, R IND LTS 2 4) EICAS circuit breakers (6 places)

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MAINTENANCE MANUAL

 S 865-026
 (2)  
Turn the MODE SELECT selector, on the pilot's-overhead-control panel, P5, to the AUTO 2 position.

 S 865-027

 (3)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag:

 (a)  
On the P11 panel:
 1) 11N24, CABIN ALTITUDE CONTROL AUTO 2

 S 865-028
 (4)  
Push the ECS MSG switch on the EICAS MAINT panel on the right side panel, P61.

 (a)  
With the EICAS computer switch, on the P9 panel, in the L or R position, make sure the EICAS status message CABIN ALT AUTO 2 does show on the lower display.

 S 865-029
 (5)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag:

 (a)  
On the P11 panel:
 1) 11N15, CABIN ALTITUDE CONTROL AUTO 1

 S 735-030
 (6)  With the EICAS computer switch, on the P9 panel, in the L or R position, make sure the EICAS status message CABIN ALT AUTO 1 shows on the lower display.
 S 865-076
 WARNING:  DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL PERSONS AND EQUIPMENT AWAY FOR THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (7)  Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.
 S 865-032
 WARNING:_______OBEY THE PROCEDURE THAT PUTS THE AIRPLANE IN THE AIR MODE. IF YOU DO THE PROCEDURE INCORRECTLY, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (8)  
Put the air/ground relay system in the air mode (AMM 32-09-02/201).

 (a)  
Make sure the EICAS caution message CABIN AUTO INOP does show on the upper display.

 NOTE: The aural warning and the master caution lights will
____
 also come on.

 (b) Make sure the AUTO INOP light, on the P5 panel, comes on.
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A
757
MAINTENANCE MANUAL

 S 865-033
 (9)  
Turn the MODE SELECT selector, on the P5 panel, to the AUTO 2 position.

 (a)  
Make sure the EICAS caution message CABIN AUTO INOP stays.

 (b)  
Make sure the AUTO INOP light stays on.

 S 865-034
 (10)
 Put the air/ground relay system back to the ground mode (AMM 32-09-02/201).

 S 865-035

 (11)
 Do the activation procedure for the spoilers if you did the deactivation procedure (AMM 27-61-00/201).

 S 865-036

 (12)
 Remove the DO-NOT-CLOSE tags and close this circuit breaker:

 (a)  
On the P11 panel:
 1) 11N15, CABIN ALTITUDE CONTROL AUTO 1

 S 735-037
 (13)
 Make sure the AUTO INOP light, on the P5 panel, goes off.

 S 735-038

 (14)
 Make sure the EICAS status message CABIN ALT AUTO 1 does not show on the lower EICAS display.

 S 735-039

 (15)
 Make sure the EICAS caution message CABIN AUTO INOP does not show on the upper EICAS display.

 S 865-040

 (16)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  
On the P11 panel:
 1) 11N24, CABIN ALTITUDE CONTROL AUTO 2

 S 735-041
 (17)
 Make sure the EICAS status message CABIN ALT AUTO 2 does not show on the lower display.

 S 865-042

 (18)
 Turn the MODE SELECT selector, on the P5 panel, to the MAN position.

 (a)  
　
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