(9) GROUND SCANNING (Ref. Fig. 092) When you push the <GROUND SCANNING line select key, the GROUND SCANNING page comes on. The GND SCANNING does an analysis of the CIDS status at this time and in case of a failure all existing internal and external failures are shown. This page shows:
 -
The date and the time at which the failure occurred,

 -
The ATA reference,

 -
The identity of the unserviceable LRU,

 -
The class of the failure (1, 2 or 3) with a prompt > to get access

 to the trouble shooting data. This page can show a maximum of two failures. If there are more failures, you have to push the next page key on the MCDU keyboard. Each failure which is detected during the monitoring mode is written at the end of the report. The page counter is updated automatically. If there is no fault detected, the message NO FAULT DETECTED is shown. When you push the <RETURN line select key, the memory of the GND SCANNING is reset. After activating the GND SCANNING mode it is necessary to wait approx. 3 min. to make sure that all failures are detected.
 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B10 1 1 Config-2 Aug 01/05 1 1 1CES 1

 MCDU - CIDS Trouble Shooting Data
 Figure 091

 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B11 1 1 Config-2 Aug 01/05 1 1 1CES 1

 MCDU - CIDS Ground Scanning
 Figure 092

 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B12 1 1 Config-2 Aug 01/05 1 1 1CES 1

 (10)
 GROUND REPORT (Ref. Fig. 093) The characteristics of this page are identical to those of the LAST LEG REPORT. This page shows the internal failure messages that come on when the aircraft is in ground configuration. Failures detected during the last flight which are still valid are not shown in the GROUND REPORT.

 (11)
 SYSTEM CONFIG (Ref. Fig. 094) The SYSTEM CONFIGURATION page shows:

 -
The current date,

 -
The UTC,

 -
The aircraft ident,

 -
The ACTIVE DIR,

 -
The CAM P/N,

 -
The ACTIVE LAYOUT,

 -
The LAST CAM MODIFICATION,

 -Informative text,
 -<LSP VOLUME REPORT.
 (a) When you push the <LSP VOLUME REPORT line key, the system shows pages where the CAM defined loudspeaker volume is shown.
 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B13 1 1 Config-2 Aug 01/05 1 1 1CES 1

 MCDU - CIDS Ground Report
 Figure 093

 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B14 1 1 Config-2 Aug 01/05 1 1 1CES 1

 MCDU - CIDS System Configuration
 Figure 094

 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B15 1 1 Config-2 Aug 01/05 1 1 1CES 1R FAP - Seat Settings Page R Figure 095

 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page B16 1 1 Config-2 Aug 01/05 1 1 1CES 1

 CABIN INTERCOMMUNICATION DATA SYSTEM (CIDS) - MAINTENANCE PRACTICES
___________________________________________________________________
 TASK 23-73-00-861-001
 Energize the Cabin Intercommunication Data System (CIDS)

 1. Reason for the Job
__________________
 It is necessary to energize the CIDS in the correct sequence to prevent R failure messages.
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power
 3. Job Set-up
__________
 Subtask 23-73-00-861-063

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

 4. Procedure
_________
 Subtask 23-73-00-860-101

 A. Energize the CIDS.
 (1)
 Close the CBs in the this sequence.

 (2)
 If you close all CBs in the correct sequence, the CIDS does a power-up test.

 1EFF : ALL 1 23-73-00Page 201 1 1 Nov 01/02 1 1 1CES 1 **ON A/C 301-399,

 Subtask 23-73-00-865-103-A
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2001VU CIDS/DEU A NORM/ MID/ LH 197RH C04
 2001VU CIDS/DEU A NORM/ MID/ RH 198RH C05
 2001VU CIDS/DEU A NORM/ AFT/ LH 173RH C06
　
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