(50)
 Hold the CONFIG switch on the TEST panel in the T/O position.

 NOTE: During the takeoff configuration warning test, messages
____ will show on the EICAS display. The messages will show for only 5 to 15 seconds after the CONFIG switch is released. To make sure of the message status, the CONFIG switch should be put in the T/O position.
 (a)  
Make sure the red CONFIG light comes on.

 (b)  
Make sure the WARNING lights come on.

 (c)  
Make sure the siren aural warning comes on.

 (d)  
Make sure the red EICAS message, FLAPS, shows on the top display.

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 S 865-807
 (51)
 Release the CONFIG switch.

 S 865-808

 (52)
 Set the FLAP control to the 20-unit position.

 S 865-809

 (53)
 Hold the CONFIG switch on the TEST panel in the T/O position.

 (a)  Make sure the red EICAS message, FLAPS, does not show on the top display when the EICAS COMPUTER switch is in the L and R positions.
 S 865-810
 (54)
 Release the CONFIG switch.

 S 865-811

 (55)
 Put the ALTN FLAPS control in the 25-unit position.

 S 865-812

 (56)
 Put the TE switch in the ALTN position to activate the TE flaps electric drive.

 NOTE: Permit time for the flaps to get to the 25-unit position.
____
 S 865-813
 (57) Hold the CONFIG switch on the TEST panel in the T/O position.
 (a)  Make sure the red EICAS message, FLAPS, shows on the top display when the EICAS COMPUTER switch is in the L and R positions.
 S 865-814
 (58)
 Release the CONFIG switch.

 S 865-815

 (59)
 Put the TE switch in the NORM position to deactivate the TE flaps electric drive.

 NOTE:____The flaps will move to the 20-unit position. The slats will start to move to the fully extended position then reverse direction and stop at the intermediate position.
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757 MAINTENANCE MANUAL
 S 865-816
 (60) Put the LE switch in the ALTN position to activate the LE slats electric drive.
 NOTE: Permit time for the slats to get to the fully extended
____
 position.

 S 865-817
 (61) Hold the CONFIG switch on the TEST panel in the T/O position.
 (a)  Make sure the red EICAS message, FLAPS, shows on the top display.
 S 865-818
 (62)
 Release the CONFIG switch.
　
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