787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Air Systems -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 2.10.9
M (manual) (amber) – manual control.
Blank – automatic control.
OP – open.
CL – closed.
Pointer varies position to reflect outflow valve position from open to closed.
AUTO (white) – altitude set automatically from FMC.
MAN (amber) – altitude set by landing altitude (LDG ALT) selector.
Landing altitude supplied by the FMC or manually selected using the LANDING
ALTITUDE selector.
Blank – display is blank without valid FMC landing altitude.
Equipment Cooling
Power Electronics Cooling System (PECS) Indications
PECS is the liquid cooling system for electronics. To view the status display, push
the systems (SYS) display switch on the display select panel, then select the status
(STAT) synoptic key. (Refer to Display Select Panel
in Chapter 10, Section 10, for
additional information.)
Status Display
QTY –
• displays the left and right system reservoir quantities as a percentage of the
normal service level (1.00 is the normal service level)
• LO (amber) – displayed when the reservoir quantity is low
4
Outflow Valve Control Source
5
Outflow Valves Position
6
Landing Altitude Selection
7
Landing Altitude
1
Liquid Quantity Display
LR
QTY
0.65 RF0.98
LIQUID COOLING
MULTIFUNCTION DISPLAY
1
February 13, 2009
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