737 Flight Crew Operations Manual
Flight Management, Navigation -
Controls and Indicators
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP 11.10.3
YK981 - YK998, YW273, YW274
3 Brightness Control
Rotate – controls display brightness.
YK999, YQ456
3 Brightness Control
Rocker switch (plus or minus) - controls display brightness.
Note: New CDU/MCDU faceplate graphics have been added to depict the
updated rocker arm style brightness control switch. Functionality and
location of all keys remains the same.
4 Message (MSG) Light
Illuminated (white) – scratchpad message is shown.
5 Offset (OFST) Light
Illuminated (white) – LNAV gives guidance for lateral route offset.
6 FAIL Light
Illuminated (amber) for test purposes only. The MCDU FAIL lamp will not
illuminate for an FMC failure.
7 CALL Light
Illuminated (white) – a subsystem other than the FMC is requesting control of the
CDU.
Function and Execute Keys
REF
INIT
RTE
LEGS
FMC
ATC
HOLD
VNAV
PROG
FIX
PAGE
PREV NEXT
PAGE
COMM
EXEC
MENU
N1
LIMIT
DEP
ARR
September 15, 2016
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