DMU Programming Procedures

TASK 31-36-00-740-009-A
DMU Programming Procedures

FIN: 1TV ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-36-00-740-004-A	Update of the APU Hours and Cycles in the DMU after APU, ECB or DMU Replacement
TASK 31-36-00-740-005-A	Update of the Engine Hours and Cycles in the DMU after Engine or DMU Replacement

3. Job Set-up
Subtask 31-36-00-860-061-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) Energize the CFDS.

Subtask 31-36-00-865-068-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	FDIU	8TU	K17
121VU	AIDS/DMU	4TV	K15
121VU	ENGINE/ENG1 AND 2/EVMU	1EV	R44

4. Procedure
Subtask 31-36-00-740-058-A ** ON A/C NOT FOR ALL

A. AIDS DMU Programming Procedure
(1) Get access to the PROGRAMMING MENU:

ACTION	RESULT
On the MCDU:	On the MCDU display:
Push the MCDU MENU mode key.	The MCDU MENU page comes into view.
Push the Line Select Key (LSK) adjacent to the < AIDS indication.	The AIDS page comes into view.
Push the LSK adjacent to the < PROGRAMMING indication.	The PROGRAMMING page comes into view.
Enter the Password with the alphanumeric keys.
NOTE: The password is specified by the Ground Support Equipment (GSE).
Push the LSK adjacent to the < ENTER PASSWORD indication.	The PROGRAMMING MENUS indication becomes cyan. The '<' mark is added to the < PROGRAMMING MENUS indication.
Push the LSK adjacent to the < PROGRAMMING MENUS indication.	The AIDS DMU PROGRAMMING page comes into view.

Subtask 31-36-00-740-063-A ** ON A/C NOT FOR ALL

B. Programmable Report Inhibit

ACTION	RESULT
On the MCDU:	On the MCDU display:
Push the line select key adjacent to < REPORT INHIBIT indication.	The AIDS REPORT INHIBIT page comes into view.
Push the line select key adjacent to * YES PRINT or PRINT NO * indication to set the print inhibit function.	If the print inhibit function is ON, the line shows * YES PRINT NO. If the print inhibit function is OFF, the line shows YES PRINT NO *.
Push the line select key adjacent to * YES LINK or LINK NO * indication to set the ACARS downlink function.	If the ACARS downlink inhibit function is ON, the line shows * YES LINK NO. If the ACARS downlink inhibit function is OFF, the line shows YES LINK NO *.
Push the line select key adjacent to the < RETURN indication to get back to the AIDS DMU PROGRAMMING page.	The AIDS DMU PROGRAMMING page comes into view.

Subtask 31-36-00-740-064-A ** ON A/C NOT FOR ALL

C. Programmable Report Limits

ACTION	RESULT
On the MCDU:	On the MCDU display:
Push the line key adjacent to < REPORT LIMITS indication.	The AIDS REPORT LIMITS page comes into view.
Enter the Parameter Number of the Limit Table with the alphanumeric keys.	The Parameter Number shows on the bottom of the display (scratchpad).
Push the line key adjacent to PARAM NB <- XXXX indication to take over the Parameter Number.	On the AIDS REPORT LIMITS page adds following indication: OLD LIMIT, NEW LIMIT, VALIDITY, REASON, VALIDATE and RETURN TO DEFAULT.
Enter the new Limit value with the alphanumeric keys.	The new Limit value shows on the bottom of the display (scratchpad).
Push the line key adjacent to the arrow below the NEW LIMIT indication to take over the new Limit value.	The new Limit value shows under the NEW LIMIT indication.
Enter the Validity value with the alphanumeric keys in the format as follows: two digits + LEG: 'XXLEG'(e.g. 10LEG) or two digits + DAY: 'XXDAY'(e.g. 23DAY).	The new Validity value shows on the bottom of the display (scratchpad).
Push the line key adjacent to the arrow below the VALIDITY indication to take over the new Validity value.
Enter the Reason of the Report Limit Change with the alphanumeric keys.	The Reason shows on the bottom of the display (scratchpad).
NOTE: The REASON indication you can enter optional to inform the operator about the reason of the limit change.
Push the line key adjacent to * VALIDATE indication to save the new limit values.	The message VALIDATE OK shows.
	On the center pedestal: The printer makes a printout of the revised limit values.
NOTE: If you push the line key adjacent to RETURN TO DEFAULT * the default value is used (GSE).
On the MCDU:	On the MCDU display:
Push the line key adjacent to < RETURN indication.	The AIDS DMU PROGRAMMING page comes into view.

Subtask 31-36-00-740-065-A ** ON A/C NOT FOR ALL

D. Programmable Report Counters

ACTION	RESULT
On the MCDU:	On the MCDU display:
Push the line key adjacent to < REPORT COUNTERS indication.	The AIDS REPORT COUNTERS page comes into view.
Push the line key adjacent to the related Report Number indication (e.g <REPORT (e.g. < REPORT 01).	The related REPORT X COUNTERS page comes into view.
Set the selected report counter value to its corresponding limit.
Push the line key adjacent to < RETURN indication.	The AIDS DMU PROGRAMMING MENU page comes into view.

Subtask 31-36-00-740-066-A ** ON A/C NOT FOR ALL

E. Programmable Statistic Counters

NOTE: On the AIDS STATISTIC COUNTERS menu you can update the APU and Engine hours and cycles (AHRS, ACYC, EHRS1/2 and ECYC1/2).

(1) To change the APU hours and cycles do the procedure (Ref. AMM TASK 31-36-00-740-004) 'Enter the APU hours and cycles data into the DMU'.
(2) To change the engine hours and cycles do the procedure (Ref. AMM TASK 31-36-00-740-005) 'Enter the Engine hours and cycles data into the DMU'.

5. Close-up
Subtask 31-36-00-860-062-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) De-energize the CFDS.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:35:30 UTC