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R  **ON A/C 401-499,  
R  Subtask 46-21-00-280-092-B  
R  F. On the MCDU, do a Check of the Reference of the AOC Software/Database  
R  pre-loaded in the ATSU.  
R  ------------------------------------------------------------------------------- 
R  ACTION  RESULT  
R  ------------------------------------------------------------------------------- 
R  1. On the MCDU, on the AOC MENU  On the MCDU:  
R  page:  - the CONFIGURATION page comes into  
R  - push line key adjacent to the  view.  
R  CONFIGURATION indication.  On this page:  
R  - make sure that there is no AOC  
R  Software/Database part number  
R  reference shown or that the AOC  
R  Software/Database part number  
R  reference is not the same as the  
R  reference read on the disk(s) of the  
R  AOC Software/Database 22TX/24TX  
R  before you do the uploading procedure  
R  in Para. 4.B.  
R  **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499, 
 4. Procedure_________ 
 **ON A/C 151-158, 201-209, 
 Subtask 46-21-00-970-053 
 A. Uploading of the ATSU A/C INTERFACE Software (20TX) 
 NOTE : The loading time for a full disk is twelve minutes approximately.____ 
 NOTE : After the uploading procedures, the operator must do a check of____ 
 the reference of the data loaded in the computer, on the MCDU. 
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ACTION RESULT -------------------------------------------------------------------------------
1. On the overhead panel, on the Data Loading Selector: 
-set the ON/OFF switch to ON. 
2. On the overhead panel, on the Data Loading Selector: 
-push the PREV or NEXT key until you get the ATSU indication. 
3. On the MDDU: 
-put the disk of the ATSU A/C INTERFACE Software (20TX) into the disk drive, the label in the forward direction.
 4. On the overhead panel, on the Data Loading Selector: 
-push the SEL CTL key. 
On the display of the Data LoadingSelector:
-DB/N: PUSH NEXT/PREV indication is shown.
 On the Multipurpose Disk Drive Unit (MDDU):
 -the < < MDDU READY > > indication is shown.
On the display of the Data LoadingSelector:
-ATSUNOT SELECTED indication is shown.
On the MDDU:
-the READY indication is shown
-then, the WAIT RESPONSE indication isshown.
On the display of the Data LoadingSelector:
-ATSU SELECTED indication is shown.
 On the MDDU:
 -the TRANS IN PROG indication is shown.
 NOTE : If a transfer fault occurs, we
____ recommend that you wait a minimum of three minutes:
 -after you set the ON/OFF switch on the Data Loading Selector to OFF and
 -before you start the uploading of the ATSU A/C INTERFACE software again.
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ACTION RESULT -------------------------------------------------------------------------------
5. On the overhead panel, on the Data Loading Selector: 
-push the SEL CTL key. 
6. On the MDDU: 
-eject the disk from the disk drive. 
7. On the overhead panel, on the Data Loading Selector: 
-set the ON/OFF switch to OFF. 
Thus, the ATSU can complete its Power On Self-Test.
 On the upper ECAM DU:
 -
the COM ACARS FAULT or DATALINK ATSU FAULT warning is shown.
On the MCDU:
 -
the ATSU prompt is not shown.
 NOTE : If more than one disk is
____ necessary for uploading, the EJECT DISK and INSERT DISK indications are shown one after the other. They tell the operator to put a new disk into the MDDU.
 -when all the disks are loaded into the computer, the TRANSF COMPLETE indication is shown.
On the display of the Data LoadingSelector:
-ATSU NOT SELECTED indication is shown.
On the MDDU:
-
the < < MDDU READY > > indication isshown.
On the upper ECAM DU:
-
the COM ACARS FAULT or DATALINK ATSUFAULT warning goes out of view after approximately one minute.
 NOTE : When the ON/OFF switch on the
____ Data Loading Selector is set to OFF, the ATSU does a Power On Self Test (POST). The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view at the end of this test.
 
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