Forward Overhead Panel 700/800/900
Navigation and Displays Source Panel
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FMC Source Select Switch
BOTH ON L –
- Selects left FMC for all FMC operations
- Right map will annunciate “FMC L.”
NORMAL –
- Left FMC controls CDUs and provides input to the
autothrottle system
- Right FMC operates in synchronization with left FMC
- Maps display composite information from both FMCs
BOTH ON R –
- Selects right FMC for all FMC operations
- Left map will annunciate “FMC R.”
Note:
Moving the source select switch will cause both LNAV and VNAV
to disengage.