(b)  
Put the airline data base diskette into the disk drive.

 (c)  
After approximately 1 minute, when the COMPLETE indication comes on, push the EJECT key to remove the diskette.

 S 862-174
 (6)  Show the CONFIGURATION DATA page for CMC-R:
 (a)  
Push the MENU key on the CDU.

 (b)  
Push the line select key (LSK) adjacent to <CMC.

 (c)  
Push the NEXT PAGE key on the CDU.

 (d)  
Push the LSK adjacent to <OTHER FUNCTIONS.

 (e)  
Push the LSK adjacent to <CONFIGURATION.

 (f)  
Push the LSK adjacent to <45 CENTRAL MAINTENANCE.

 (g)  
Push the LSK adjacent to <CMC-R.

 S 752-175
 (7)  
Make sure the part number of the airline data base you installed shows adjacent to ALDB.

 S 862-176

 (8)
Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  P414 Power Distribution Panel - Left
 1) 414L8 CMC LEFT

 E. Airline Data Base Installation in the Left CMC
 S 862-177
 (1)  
Set the selector switch for the data loader to NORMAL.

 S 862-178

 (2)  
Open this circuit breaker and attach a DO-NOT-CLOSE tag:

 (a)  P415 Power Distribution Panel - Right
 1) 415L39 CMC RIGHT

 S 862-237
 (3)  Do these steps at the data loader control panel:
 (a)  
Set the upper switch to L.

 (b)  
Set the system select switch to CMC.

 S 472-180
 (4)  Install the airline data base:
 (a)  Put the airline data base diskette into the disk drive.
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A 747-400 MAINTENANCE MANUAL
 (b)  After approximately 1 minute, when the COMPLETE indication comes on, push the EJECT key to remove the diskette.
 (5)  S 862-181Show the CONFIGURATION DATA page for CMC-L: (a) Push the MENU key on the CDU. (b) Push the line select key (LSK) adjacent to <CMC. (c) Push the NEXT PAGE key on the CDU. (d) Push the LSK adjacent to <OTHER FUNCTIONS. (e) Push the LSK adjacent to <CONFIGURATION. (f) Push the LSK adjacent to <45 CENTRAL MAINTENANCE. (g) Push the LSK adjacent to <CMC-L.
 (6)  S 752-182Make sure the part number of the airline data base you installed shows adjacent to ALDB.
 (7)  S 862-183Remove the DO-NOT-CLOSE tag and close this circuit breaker: (a) P415 Power Distribution Panel - Right 1) 414L39 CMC RIGHT
 (8)  S 862-184Set the selector switch for the data loader to NORMAL.
 (9)  S 862-118Remove electrical power if it is not necessary (Ref 24-22-00/201).

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A
747-400 MAINTENANCE MANUAL
 CENTRAL MAINTENANCE COMPUTER SYSTEM - MAINTENANCE PRACTICES - DATA OUTPUT
_________________________________________________________________________
 1.  General_______
 A.  This section contains one task. The task is to send maintenance data from the CMC to a diskette in a personal computer (PC). You can keep the data on the diskette and examine it at a different time.
 TASK 45-10-11-972-042
 2.  CMC Data Output to a Personal Computer______________________________________
 A.  General
 (1)  
This task contains the steps to send maintenance data from the CMC to a personal computer (PC). You can keep the data in the PC and examine it at a different time.

 (2)  
Data is sent through a cable connected from the ATE connector on the front of the CMC to the PC. The data is collected from the ARINC 429 bus of the CMC. The PC must contain an ARINC 429 interface card and the ARINC Data Collector (ADC) software program to receive data from the CMC.

 (3)  
　
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