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You do these tests to verify the weather radar and GPWS ARINC 453 interfaces to the DEUs.
WXR/TERR DISPLAY TEST Page
To do the WXR DISPLAY TEST, follow the directions on the MCDU page. Select the test mode on the weather radar control panel.
Then select the map mode and the WXR switch on the EFIS control panels. The weather radar pattern shows on the display units.
If one of the weather radar test patterns does not show when you do the test, the ARINC 453 interface to the graphics generator is bad.
Push LSK 6R, CONTINUE, to do a test of the terrain display.
To leave the test, push LSK 6R, CONTINUE. Then, select LSK 6L, INDEX.
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CDS BITE PAGES - WXR/TERR DISPLAY TEST

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737-700 MAINTENANCE TRAINING MANUAL
CDS BITE PAGES - WXR/TERR DISPLAY TEST -TERR DISPLAY
General
You do this test to make sure the GPWS ARINC 453 interface to the DEUs is good.
WXR/TERR DISPLAY TEST Page 5
After the WXR display test is complete, you can do a test of the GPWS display. Follow the directions on the MCDU page. Select TERR on both EFIS control panels. You should be in the correct mode on the navigation displays.
If one of the terrain patterns does not show when you do the test, the ARINC 453 interface to the graphics generator is bad or the WXR/TERR relay is failed.
To leave the test, push LSK 6R, CONTINUE. Then, push LSK 6L, INDEX.
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737-700 MAINTENANCE TRAINING MANUAL

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CDS BITE PAGES - WXR/TERR DISPLAY TEST - TERR DISPLAY

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CDS BITE PAGES - IDENT/CONFIG
General
To do a check of the configuration information, select IDENT/CONFIG on line select key (LSK) 4L from the CDS MAIN MENU. This shows the IDENT/CONFIG page.
IDENT/CONFIG Page
The IDENT/CONFIG page shows this information:
-Operational software (OPS) part number -Operational program configuration (OPC) software part number -Display unit data base (DUDB) software part number -DEU hardware part number -Program pins.
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737-700 MAINTENANCE TRAINING MANUAL

D DE U X MAINT/BITE
CSMAIN MENU 1/ 1 < CURRENT STATUS < INFLIGHT FAULTS < GROUND TESTS < IDENT/CONFIG < INPUT MONITORING DISCRETE STATUS < INDEX

D DE U X MAINT/BITE
CS
IDENT/CONFIG 1/1 P P/N ####-HNP-###-
OS## OPC P/N ####-BCG-###-## U P/N ####-HNP-###-
DDB ##
DEU HW P/N #######-###
PROGRAM PINS # # # #
<INDEX

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CDS BITE PAGES -IDENT/CONFIG
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737-700 MAINTENANCE TRAINING MANUAL
CDS BITE PAGES - INPUT MONITORING
General
To do a check of the discrete status inputs, select INPUT MONITORING on line select key (LSK) 5L from the CDS MAIN MENU. This shows the DISCRETE STATUS MENU page.
You can only monitor discrete input status with this page. You can not monitor ARINC 429 input status.
DISCRETE STATUS MENU Page
On the DISCRETE STATUS MENU page, you choose one of the five connectors. The connectors are A, B, D, E, and F.
　
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