EFI Switch
Selects the symbol generator (SG) source of symbology, graphics, text and color shading for the associated
ADI and
HSI.
- ALTN
- Captain - Selects the center SG including outputs from the center ILS receiver and radio altimeter, as the source for the associated
pilot's ADI and HSI.
- F/O - If both pilots selects ALTN, Captain's controls both presentations.
- NORMAL (blank)
- Captain - Selects the left SG, left ILS and left radio altimeter as the source for the Captain's ADI and HSI.
- F/O - Selects the right SG, right ILS and right radio altimeter as the source for the F/O's ADI and HSI.