737 Flight Crew Operations Manual
Flight Instruments, Displays -
Head-Up Display System,
Symbology
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10.42.20 D6-27370-866-EGP
SYMBOL NAME MODE REMARKS
Selected airspeed
flag
All Selected speed has failed.
Radio altitude
flag
All Radio altitude has failed.
Localizer
miscompare flag
PRI in
flight PRI
ground;
AIII
rollout
Localizer miscompare has
occurred during low visibility
takeoff or rollout.
Vertical
deviation flag
PRI in
flight,
IMC
FMC vertical track data is
invalid.
Vertical deviation pointer is
removed if there is no
computed data.
DME flag All DME has failed.
DME All DME has no computed data.
Flight director
flag
PRI in
flight,
PRI
ground,
IMC
Flight director has failed.
TCAS fault PRI in
flight,
AIII
approach,
IMC,
VMC
TCAS has a fault.
September 26, 2013