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.
11.10.4 D6-27370-866-EGP
1 CDU Function Keys
Push –
• INIT REF – shows page for data initialization or for reference data
• RTE – shows page to input or change origin, destination, or route
• DEP ARR – shows page to input or change departure and arrival
procedures
YW273, YW274
• ATC – inoperative (scratchpad message KEY/FUNCTION INOP
displayed)
YK981 - YQ456
• ATC – displays appropriate ATC page.
• VNAV –
• shows currently active performance page (CLB, CRZ, DES)
• CLB page is displayed if no active phase exists
• FIX – shows page to create reference points on map display
•LEGS –
• shows page to evaluate or modify lateral and vertical route data
• shows page to control PLAN mode display
• HOLD – shows page to create holding patterns and show holding
pattern data
• FMC COMM – displays FMC COMM status page.
• PROG – shows page to view dynamic flight and navigation data,
including waypoint and destination ETAs, fuel remaining, and arrival
estimates
• MENU – shows page to choose subsystems controlled by CDU
• N1 LIMIT – shows page to view or change N1 thrust limits
• PREV PAGE – shows previous page of related pages (for example,
LEGS pages)
• NEXT PAGE – shows next page of related pages.
2 Execute (EXEC) Key
Push –
• makes data modification(s) active
• extinguishes execute light.
3 Execute Light
Illuminated (white) – active data is modified but not executed.
September 15, 2016
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