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B
3.1.17
EGPWS Audio On Discrete
The Audio On Discrete goes true whenever any voice message is being
annunciated. It will stay true until the voice is completed. This output can be
used to inhibit other audio systems (e.g., TAS) during EGPWS audio or used
to drive the audio key line input provided on some aircraft audio systems. This
discrete is internally wired to the TAS advisory inhibit and is available on:
J10-22
3.1.18
EGPWS, Terrain Inop and Terrain not available Output
The EGPWS produces one monitor output. This discrete reflects the EGPWS
Inop and Terrain Inop / Terrain Not Available functions. This discrete activates
with the loss of EGPWS power. The status of this discrete is also contained
on an ARINC 429 output word.
J10-120 (EGPWS Inop)
OBSERVE ALL NOTES ON ALL INTERFACE DRAWINGS
TO INSURE PROPER CONNECTIONS OF THE INTERFAC-
ING UNITS TO THE KMH 820/KTA 810 UNIT.
Rev 3, August/2001
ADV_INHIBIT*
CAUTION
10609I03.CDL
KMH 880/KTA 870
Page 3- 13
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