TCAS791
Display Interpretation
Pilot’s Guide
4-3
Figure 4-6. TCAS Failed Screen
Figure 4-7. TCAS Failed/Barometric Input Screen
This message is
displayed any
time the TCAS791
detects a failure. It
also appears if the
TCAS791 fails the
operator-initiated
self test. If this
message remains
on the screen for
more than 5
minutes, turn off
the TCAS791.
This message
indicates that the
TCAS791 has
failed to detect
barometric
altitude. If the
barometric input is
restored, The
TCAS791 will
return to normal
operation.
Instructions for
switching out of
standby and
beginning TCAS
processing (press
the RNG button)
This message
will only be
displayed when
your aircraft is on
the ground.
When in standby,
the TCAS791
does not transmit
interrogations or
track intruder
aircraft.
Figure 4-8. Standby Screen
