(b)  
Select the proper data set to edit:

 1)  When the display shows ENTR CAL CODE, push the decimal point key (.), the 9 key, and then the MODE key. Display shows (ENTR CAL) (CODE .9M)
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MAINTENANCE MANUAL

NUMBER LOAD SENSOR LOAD SENSOR RESISTANCE (mode 23) 
1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17F
 17R
 18F
 18R 

Load Sensor Resistances and Pitch Attitude Sensor Zero
Figure 513

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(d)

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747-400 MAINTENANCE MANUAL
 2)  Push the ENTER key. Display shows (OK? CAL ) (CODE .9M)
 3)  When the display shows OK? CAL CODE .9M, push the YES key. Display shows (ENTER 99) (CODE )
 4)  When the display shows ENTER 99 CODE, push 747 (the 7 key, the 4 key, and the 7 key), and the ENTER key. Display shows (ENTER 99) (CODE 747)
 5)  When the display shows OK? CODE 747, push the YES key. Display shows ( EDIT) (ZERO? )
 6)  When the display shows EDIT ZERO?, push the NO key.
 7)  When the display shows EDIT SPAN?, push the YES key. Display shows (SPAN 1) (+yy.yyyy)
Put in the Span values from Figure 511:
 1) When the display shows SPAN 1 +yy.yyyy, put in the span value for load sensor 1 from Figure 511. a) At this point (before you key-in any numbers) you can use the arrow keys to increment the display to a different sensor (CRES 1,2,...,18R). b) Use these keys to put in data: + - . 0-9 c) As you key-in data use the left-arrow key to erase incorrect data. d) When the correct Span value shows, push the ENTER key. Display shows (OK? 1) (+xx.xxxx)
 NOTE: Make sure you have a decimal point somewhere in
____
 the value.

 2)  When the display shows OK? 1 +xx.xxxx, make sure the value is correct, and then push the YES key. Display shows (DONE? 1) (+xx.xxxx)
 3) When the display shows DONE? 1 +xx.xxxx, push the NO key to go to the subsequent sensor. Display increments to show (SPAN 2,...,18R) (+yy.yyyy) a) For each of the other sensors repeat the steps to Put in the Span values from Figure 511.
Save the data in memory:
 1)  After you put in all the Span values, when the display shows OK? 18R +xx.xxxx, push the YES key. Display shows (WRITE IN) (PROGRESS) for 8 seconds, then it shows (EXIT ) (MODE 99?)
 2)  When EXIT MODE 99? shows, push the NO key. Display shows ( EDIT) (OFFSET? )
 3)  When the display shows EDIT OFFSET?, push the YES key. Display shows (OFF 1) (+ yyyy)
Put in the Offset values from Figure 512:
 1) When the display shows OFF 1 +yyyy, put in the offset value for load sensor 1 from Figure 512. a) At this point (before you key-in any numbers) you can use the arrow keys to increment the display to a different sensor (CRES 1,2,...,18R).
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747-400 MAINTENANCE MANUAL
 b) Use the mode key to toggle the sign between + or -. c) When the correct Offset value shows, push the ENTER key. Display shows (OK? 1) (+xxxx )
 2)  When the display shows OK? 1 +xxxx, make sure the value is correct, and then push the YES key. Display shows (DONE? 1) (+xxxx )
 3)  When the display shows DONE? 1 +xxxx, push the NO key to go to the subsequent sensor. Display increments to show (OFF 2,...,18R) (+ yyyy) a) For each of the other sensors repeat the steps to
　
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