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757
MAINTENANCE MANUAL

 H. Captain's ADC Select Switch Test
 S 735-702-002
 (1)  Do the ADC switch test that follows:
 (a)  
Make sure the air data computing system is operational (AMM 34-12-00/501).

 (b)  
On the tester, set the SUBFRAME to 3 and the WORD to 31.

 (c)  
Set the captain's ADC source select switch to the NORM position.

 (d)  
Make sure the BIT (DISCRETE) 4 shows a 1.

 (e)  
Set the captain's ADC source select switch to the ALTN position.

 (f)  
Make sure the BIT (DISCRETE) 4 shows a 0.

 (g)  
Set the captain's ADC source select switch to the NORM position.

 I. ADC Data Bus Test
 S 735-703-002
 (1)  
Do the ADC data bus test that follows:

 (a)  
Make sure the air data computing system is operational (AMM 34-12-00/501).

 (b)  
Set the Captain's ADC Source Select switch to the NORM position.

 (c)  
Push and hold the left air data computer switch on the P61 test panel for more than 7 seconds.

 (d)  
Set the SUBFRAME and WORD for each signal as shown in the ADC

 DATA BUS table. ~....................................................... | ADC DATA BUS SIGNAL TEST | ......................................................... | | TESTER SETUP | | | SIGNAL ........................... TESTER | | | SUBFRAME | WORD | DISPLAY | ......................................................... | ALTITUDE | 0 | 33 | 2040 to 2160 | ......................................................... | AIRSPEED | 0 | 63 | 4622 to 4766 | 2..............…............…............…..............1

 (e)  
Set the captain's ADC source select switch to the ALTN position.

 (f)  
Push and hold the right air data computer switch on the P61 test panel for more than 7 seconds.

 (g)  
Set the SUBFRAME and WORD for each signal as shown in the ADC DATA BUS table.

 (2)  
Set the Capt's ADC source select switch to the NORM position.

 S 865-826-002
 
 GUN 001-008, 010, 101 POST-EO B531006;  ú 31-31-00
 GUN 051, 102-999  ú CONFIG 2 ú 06 Page 512 ú Sep 28/01

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757 MAINTENANCE MANUAL
 J. Radio Altimeter (RA) Data Bus Test
 S 735-704-002
 (1)  Do the RA data bus test that follows:
 (a)  
Make sure the RA is operational (AMM 34-33-00).

 (b)  
On the tester, set the SUBFRAME to 2 and the WORD to 55.

 (c)  
On the left RA at the E 5-1 rack, push and hold the TEST switch.
　
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本文鏈接地址：757 AMM 飛機維護手冊 儀表 CHAPTER 31 - INSTRUMENTS 1(84)