Display (L)
If the brightness control is possible the operator gets display (L)
and the message TEST OK in white.
Display (M)
If the brightness control is not effective, the light box being
saturated, the operator gets the display (M) with the name of the
faulty DU.
The operator, then presses the key 6L RETURN until he gets back to
the DMC main menu.
(Ref. Fig. 039, 040)
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Pin prog status and Xload
Figure 039
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DMC Xload Figure 040
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(12) PIN PROG/STATUS AND XLOAD Function
This function is available on the DMC main menu, when the operator presses the key 6R.
Display (A)
The operator gets a page where a menu is offered with:
-DMC XLOAD This function of the key 2L is compulsory at the entry into service of a new DMC. It allow to load the new software program, from an already loaded DMC.
-
DU XLOAD This function of the key 3L is compulsory at the entry into service of a new DU.
-
DU BACKLIGHT STATUS This function of the key 4L allows to check all the lamps of a particular DU.
-LCD STATUS This function of the key 5L allows to check the quality of the image displayed on the screen of a particular DU. Special patterns are provided for that purpose.
-PIN PROG This function of the key 2R allows to check the status of all the software and hardware pin prog.
-ENGINES This function of the key 3R allows to check the values of the engines overspeed, the engines EGT overtemperatures, recorded during the last flight, and to reset them.
(13) DMC XLOAD Function
Display (B)
This page is availanble when the operator has pressed the key 2L. The
DMC1 is normally the source for the other DMC, except when faulty.
When it is faulty the DMC2 is the DMC source or even the DMC3.
In front of each DMC, the software part number is displayed:
-
in green for the DMC source and the DMC having the same part number
-
in amber for the DMC having a different part number.
-instead XLOAD NOT AVAIL is displayed in amber when the relevant DMC is not available.
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-instead EMPTY is displayed in amber when the relevant DMC has never been loaded peviously.
Display (C)
The operator presses the key 1R ACCESS XLOAD to get display (C)
If a DMC XLOAD is possible, which is the case when the part number is
different from the DMC source, then the operator can start the
transfer of software by pressing the key 5L START XLOAD.
Display (D)
The P/N in green, or the message XLOAD NOT AVAIL on display (C)
prevents the DMC XLOAD and leads to the display (D) with the message:
DMC XLOAD NOT ALLOWED.
(Ref. Fig. 041)
Display (E)
Once the operator has pressed the key 5L START XLOAD to get display
(E), the message DMC XLOAD TRANSFER IN PROGRESS induces the operator
to wait the time of the transfer. The DMC source and the DMCs to be
loaded are clearly identified.
Display (F)
When this time has elapsed the page (F) with the message INTEGRITY
CHECK comes on automatically.
Display (G)
After the INTEGRITY CHECK another page is displayed giving the status
of all DMC having undergone the transfer. The message: DMCx XLOAD
COMPLETED in green means the DMC is successfully loaded. The message:
DMCx XLOAD ABORTED in amber means the XLOAD failed.
A test of the DMC is the automatically performed as mentionned by the
message DMC SELF TEST IN PROGRESS 40S is displayed in green, untill
the power ON self test of the DMC is completed.
As soon as the DMC self test is completed the operator can get back
to the page DMCx XLOAD display (B) with the new part numbers. To do
so he presses the key 6L RETURN.
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
ECU1X : label 275 invalid
(X = A or B)
ECU2X : label 275 invalid
(X = A or B)
R 1EFF : ALL 1 31-69-00Page 98 1 1 May 01/05 1 1 1CES 1R **ON A/C 106-149, 303-399, 401-499, 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM 指示/记录系统 8(180)
