S 212-048

 (2)  
Make sure these circuit breakers are closed:

 (a)  On the P11 panel:
 1) 11J4, ACMS AC
 2) 11J7, FLIGHT RECORDER AC
 3) 11J8, FLIGHT RECORDER DC

 S 862-049
 (3)  
AIRPLANES WITH TWO SWITCHES ON THE DATA LOADER CONTROL PANEL (P61); Make sure the upper switch on the data loader control panel is set to SINGLE SYS.

 S 862-050

 (4)  
Set the system select switch on the data loader control panel (P61) to the applicable position.

 (a)  
DFDAU position for the FDAU mandatory software.

 (b)  
ACMS position for the FDAU non-mandatory software.

 S 212-085
 (5)  GUN 102-999; Do these steps to do the software configuration check of the DFDAU:
 NOTE: You must know the correct DFDAU software part number for the
____ DFDAU or the ACMS. For the DFDAU or the ACMS to be approved installation, the correct software part number must be installed.
 (a)  On the MCDU, do these steps: 1) Set the line select key (LSK) labeled DFDAU OR DFDAMU.
 a)  Do the task to install the software if DFDAU or DFDAMU does not show on the MCDU.
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 2)  Set the LSK labeled VERSIONS. a) Make sure the the screen shows VERSIONS. b) Make sure the correct ACMS software part number shows
 in line labeled APPLICATION appears.
 NOTE: If the ACMS software part number is not correct,
____ then install the correct ACMS software (AMM 31-31-03/201) or replace the the DFDAU (AMM 31-31-03/401).
 3) Set the LSK labeled RETURN. 4) Push the MENU function key to get back to the original screen.
 S 862-092
 (6)  Do these steps to put the airplane back to its usual condition:
 (a)  Set the system select switch on the data loader control panel to NORMAL.
 S 212-116
 (7)  GUN 001-008, 010, 101 POST-EO B531006; Do these steps to do the software configuration check of the DFDAU:
 NOTE: You must know the correct DFDAU software part number for the
____ DFDAU or the ACMS. For the DFDAU or the ACMS to be approved installation, the correct software part number must be installed.
 (a)  On the MCDU, do these steps: 1) Set the line select key (LSK) labeled ACMS a) Do the task to install the software if ACMS does not show on the MCDU. 2) Set the LSK labeled SOFTWARE PART NUMBERS.
 a)  Make sure the the screen shows ACMS LOADABLE SOFTWARE PART NUMBERS.
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