Over temp status annunciation, Altitude failure annunciation, Heading failure annunciation – BendixKing KSN 770 - Pilots Guide User Manual
Page 71: True air speed (tas) failure annunciation

KSN 765/770 Integrated Communication Navigation Display
D200802000009
REV 2 Jun 2014
3-15
Display States and Mode Control
Honeywell International Inc. Do not copy without express permission of Honeywell.
Over Temp Status Annunciation
An amber
OVER TEMP
annunciation is displayed when the internal
temperature of the unit exceeds the predefined limit. No immediate
action is required but it is recommend to manually lower display
brightness, and the use of KSN should be limited to 30 minutes after this
message is displayed and may require servicing.
Altitude Failure Annunciation
An amber
ALT FAIL
annunciation is displayed when configured to
receive baro--corrected altitude data and the altitude source is not
detected or the altitude data is invalid. The following modes and
information will not be available when
ALT FAIL
is annunciated:
D
FMS legs with altitude terminated transitions must be manually
sequenced
D
Terrain awareness will annunciate use of GPS altitude.
If the condition persists, this condition must be checked/repaired before
next flight.
Heading Failure Annunciation
An amber
HDG FAIL
annunciation is displayed when configured to
receive heading data and the heading source is not detected or the
heading data is invalid. When
HDG FAIL
is displayed, the following
modes and information are not available:
D
Heading Up Map views
D
Flight Plan overlays on WX Radar view.
If the condition persists, this condition must be checked/repaired before
next flight.
True Air Speed (TAS) Failure Annunciation
When configured to receive TAS data and the TAS source is not
detected or the TAS data is invalid, the
TAS FAIL
annunciation is
displayed. If TAS is not available, the estimated Wind Vector will not be
shown.
If the condition persists, this condition must be checked/repaired before
next flight.
Receiver Autonomous Integrity Monitoring (RAIM)
Failure Annunciation
When a RAIM ranging fault is detected, the
RAIM FAIL
annunciation
is displayed.