Boeing 737-800 - Page 1001

737 Flight Crew Operations Manual
Flight Instruments, Displays -
Head-Up Display System,
Symbology
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 10.42.3
SYMBOL NAME MODE REMARKS
Selected heading
bug
All Displays selected heading on
the horizon line and on the
HSI (when in view).
Not displayed if the selected
heading is outside of the
currently displayed heading
scale.
Digital selected
heading
All Displayed full time in PRI
mode and for five seconds
after selection in the IMC,
VMC or AIII modes.
Digital heading All Displays current magnetic
heading directly below the roll
scale pointer.
Ground roll
reference
PRI
ground
Provides a reference for
ground roll guidance during
low visibility takeoff
operations.
Displayed on the horizon line
until 3° of attitude is achieved.
Flight path
symbol
PRI in
flight,
AIII
approach,
IMC,
VMC
Displays the actual flight path
vector of the aircraft.
Has display priority over all
other symbols except the
guidance cue and the FLARE
command.
31 32
3
3
3
0
HDG 315
H 310
September 26, 2013