3.7.
DISPLAY
FAILURE
In
the event
of
a display failure, the G I
OOO
System automatically switches to re-
versionary (backup) mode.
In
reversionary mode, all important flight information
is
presented on the remaining display
in
the same format as
in
normal operating
mode.
The
change to backup path
is
completely automated for all LRUs and no pi-
lot action
is
required.
if
the system fails to detect a display
problem
I.
REVERSIONARY MODE button
PUSH
I
.
REVERSIONARY MODE button
1s
red
and
located on the bot·
tom
of
the audio panel .
If
a display fails, the related Integrated Av10nics Unit
(IA
U)
1s
cut
off
and
can no longer communicate with the
remammg
dis-
play: subsequently the
NAV
and
COMfunc/lons provided to the
failed
display by the associated Integrated Av10mcs Unit are
flagged
as
invalid on the remaining display.
2"J
Ed1110n,
Rev.0
Section
3 -
Emergency
procedures
AVIONIC
SUITE
FAILURES
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