Honeywell MK VI User Manual
Page 237
Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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The display will be blanked when the amber “TERR” is present.
The display will Pop Up to Terrain mode as follows:
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If all the conditions indicated for the amber “TERR” above are FALSE.
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If the display is in normal MFD mode (not HSI backup, or SG backup) AND if label 051 bit 11 transitions from
0 to 1 (rising edge), AND Checklist is not selected on the MFD, AND TCAS Auto Pop Up is not occurring.
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The display will change to Map mode.
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The display will energize the Terrain selection relays.
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The display will annunciate “TERR”.
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The display will change to the range indicated by the EGPWS ARINC 429 label 050.