737 Flight Crew Operations Manual
Flight Instruments, Displays -
Head-Up Display System -
Displays
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10.12.8 D6-27370-866-EGP
4 Takeoff Reference Speeds (PRI ground mode)
Indicates V1 (decision speed) and VR (rotation speed) as selected on the CDU
TAKEOFF REF page (refer to Chapter 11, Flight Management, Navigation) or as
set with the speed reference selector on the engine display control panel.
5 VREF+20 (PRI in flight, PRI ground modes)
Displayed after selection of VREF.
6 Landing Reference Speed (PRI in flight, PRI ground modes)
Indicates REF (reference speed) as selected on the CDU APPROACH REF page
(refer to Chapter 11, Flight Management, Navigation) or as set with the speed
reference selector on the engine display control panel. Replaced by a digital
readout when off-scale at the bottom of the airspeed tape.
7 100 Knot Airspeed Bug (PRI in flight, PRI ground modes)
Indicates 100 knots:
• displayed automatically during preflight
• removed at first flap retraction or when VREF is entered.
September 30, 2011
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