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747-400 MAINTENANCE MANUAL
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 (8)  Do a test of the MDA option:
 (a)  Push the numeric key on the CDU to key in 500, then push the LSK adjacent to <MDA SET. 1) Make sure the CDU and the PFD show a value of 500 for the
 MDA.
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 (9) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7F11, EFIS CONT L
 2) 7F16, EFIS CONT R

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 (10) Remove electrical power if it is not necessary (AMM 24-22-00/201).
 Q.  Alternate EICAS Display Select Panel (DSP) Test (Fig. 503)
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 (1)  Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7F11, EFIS CONT L
 2) 7F16, EFIS CONT R

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 (2)  Prepare the CDU to become the EICAS DSP:
 (a)  
Push the MENU key on the Captain's (First Officer's) CDU. 1) Make sure the CDU shows the MENU page.

 (b)  
Push the LSK adjacent to EICAS CP SELECT> prompt. 1) Make sure the CDU shows the EICAS MODES page.

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 (3)  Do a test of the Alternate EICAS DSP:
 (a)  
Push the LSK adjacent to <STAT. 1) Make sure the lower IDU shows the status page.

 (b)  
Push the LSK adjacent to FUEL>.

 1)  Make sure the lower IDU shows the synoptic page for the fuel system.

 (c)  
Push the LSK adjacent to GEAR>.

 1)  Make sure the lower IDU shows the synoptic page for the landing gear system.

 (d)  
Push the LSK adjacent to SYNOPTICS>. 1) Make sure the CDU shows the EICAS SYNOPTICS page.

 (e)  
Push the LSK adjacent to <ELEC. 1) Make sure the lower IDU shows the electrical synoptic page.

 (f)  
Push the LSK adjacent to <ECS.

 1)  Make sure the lower IDU shows the synoptic page for the environmental control system.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL

EICAS SYNOPTICS Alternate EICAS Display Select Panel
Figure 503
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
 (g)  
Push the LSK adjacent to HYD>.

 1)  Make sure the lower IDU shows the synoptic page for the hydraulic system.

 (h)  
Push the LSK adjacent to DOORS>.

 1)  Make sure the lower IDU shows the synoptic page for the doors.

 (i)  
Push the LSK adjacent to MODES>. 1) Make sure the CDU shows the EICAS MODES page.

 (j)  
Push the LSK adjacent to <ENG.

 1)  Make sure the lower IDU shows the secondary engine parameter.

 (k)  
Push the LSK adjacent to <CANC.

 1)  Make sure the EICAS primary engine parameters page does not show caution level or advisory level messages.
 NOTE: It may be necessary to push the CANC button more
____ than once to remove all of the caution and the advisory level messages.
 (l)  Push the LSK adjacent to RCL>.
 1)  Make sure the EICAS primary engine parameters page shows caution level or advisory level messages.
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 (4) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  P7 Overhead Circuit Breaker Panel
 1) 7F11, EFIS CONT L
 2) 7F16, EFIS CONT R

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 (5) Remove electrical power if it is not necessary (AMM 24-22-00/201).
 R.  Program Pin & Software P/N Verification
　
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