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747-400 MAINTENANCE MANUAL
 (b)  Make sure the outboard and the inboard IDUs show the PFD and the ND format.
 S 846-010
 (9)  Remove electrical power if it is not necessary (AMM 24-22-00/201).
 TASK 31-61-00-716-011
 3.  Captain's (First Officer's) Display Transfer Module Test________________________________________________________
 A. References
 (1)  AMM 24-22-00/201, Manual Control
 B. Access
 (1)  Location Zones
 221 Control Cabin, LH
 222 Control Cabin, RH

 C. Prepare For Test
 S 866-012
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 866-013

 (2)  
Prepare the integrated display system (IDS) to do the system test:

 (a)  
Set the INBD CRT and LWR CRT switches on the captain's display transfer module to the NORM position.

 (b)  
Set the INBD CRT and LWR CRT switches on the first officer's display transfer module to the NORM position.

 (c)  
Set the EIU SEL switch on the EICAS control panel/FMC switch to the AUTO position.

 (d)  
Set the EIU switch on the captain's source select module to the AUTO position.

 (e)  
Set the EIU switch on the first officer's source select module to the AUTO position.

 (f)  
Make sure the captain's and the first officer's outboard IDUs show the PFD format.

 (g)  
Make sure the captain's and the first officer's inboard IDUs show the ND format.

 (h)  
Make sure the upper IDU shows the EICAS primary engine parameter format.

 (i)  
Make sure the lower IDU shows the EICAS secondary engine parameter format.

 D. INBD CRT Switch Test
 S 866-014
 (1)  Set the INBD CRT switch to the PFD position.
 (a) Make sure the inboard IDU shows the PFD format.
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747-400 MAINTENANCE MANUAL
 S 866-015
 (2)  Set the INBD CRT switch to the EICAS position.
 (a)  Make sure the inboard IDU shows the EICAS secondary engine parameter format.
 S 866-016
 (3)  Set the INBD CRT switch to the NORM position.
 (a) Make sure the inboard IDU shows the ND format.
 E. LWR CRT Switch Test
 (1)  S 866-017Set the LWR CRT switch to the ND position. (a) Make sure the lower IDU shows the ND format.
 (2)  S 866-018Set the LWR CRT switch to the EICAS PRI position. (a) Make sure the lower IDU shows the EICAS primary engine parameter format.
 (3)  S 866-019Set the LWR CRT switch to the NORM position. (a) Make sure the lower IDU shows the EICAS secondary engine parameter format.
 (4)  S 866-032Remove electrical power if it is not necessary (AMM 24-22-00/201).

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747-400 MAINTENANCE MANUAL
 EFIS/EICAS INTERFACE UNIT - REMOVAL/INSTALLATION
________________________________________________
 1.  General_______
 A.  This subject has two tasks. The first task is to remove an EFIS/EICAS Interface Unit (EIU). The first task also contains an optional procedure to make a shop fault list from the EIU that you will remove. The second task is to install an EIU. The second task also contains a test to make sure the correct S/W part number was installed in the replacement EIU and that data was transmitted from the EIUs to the Central Maintenance Computers (CMCs).
　
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