3)  If the prompts do not show, on the P7, overhead circuit breaker panel open and close this circut breaker:
 -7F15, R-EIU.
 a)  Make sure that the AUTO SNAPSHOTS and/or the MANUAL SNAPSHOTS prompts show after approximately one minute.
 4) Make sure the CDU shows the MANUAL SNAPSHOTS page. 5) Make sure the CDU MANUAL SNAPSHOTS page shows a snapshot with a current date and time.
 S 862-029
 (4) Remove electrical power if it is not necessary (AMM 24-22-00/201).
 E.  Make a snapshot with the CDU.
 S 862-022
 (1)
Supply electrical power (AMM 24-22-00/201).

 S 862-030

 (2)
Prepare the CDU for the snapshot:

 (a) Push the MENU key on the CDU to show the MENU.
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IDS Test
Figure 208 (Sheet 1)

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IDS Test
Figure 208 (Sheet 2)

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EFIS OPTIONS CDU Alternate EFIS Control Panel
Figure 209
M26074
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EICAS SYNOPTICS
CDU Alternate EICAS Display Select Panel Figure 210
M26087
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. THE RED COLORED BOX IS AN INDICATION THAT AN ENGINE PARAMETER EXCEEDANCE HAS OCCURRED AND HAS BEEN RECORDED IN THE MEMORY OF THE EIU's. THE RED BOX MAY BE CANCELLED AND RECALLED AS DEFINED BELOW:
. ______
CANCEL
IF THE BOX COLOR IS RED AND THE DIGITAL EICAS DISPLAY READOUT COLOR IS WHITE, PRESS THE "CANC" SELECT PANEL SWITCH TO CHANGE THE BOX COLOR FROM RED
. AS AN ENGINE PARAMETER (N1,N2,EGT) EXCEEDANCE OCCURS, THE BOX AND DIGITAL READOUT CHANGE FROM WHITE TO RED IN COLOR. EXCEEDANCE NO LONGER EXISTS, THE DIGITAL READOUT CHANGES FROM RED TO WHITE IN COLOR, HOWEVER, THE BOX REMAINS RED IN COLOR UNTIL THE EXCEEDANCE IS CLEARED OR ERASED.

EICAS PRIMARY ENGINE PARAMETER DISPLAY (MAIN DISPLAY UNIT)
Cancel/Recall Engine Parameter Exceedance
Figure 211

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