CONTENTS
Alternate EFI - Both ![Show Schematic Only](../images/schematic.gif)
EFI (Electronic Flight Instruments) Switch
Normal:
- ALTN - Centre EFIS SG supplies associated ADI and HSI
INSTRUMENT SWITCH
- Both EFI switches are in the ALTN position
- Both ADIs and HSIs are displaying information from the Centre SG. Captain has display control.