Alternate IRS - Both Show Schematic Only

Alternate IRS - First Officer Vertical Speed Indicator Vertical Speed Indicator Radio Direction Magnetic Indicator Radio Direction Magnetic Indicator Electronic Attitude Director Indicator Electronic Attitude Director Indicator Electronic Horizontal Situation Indicator Electronic Horizontal Situation Indicator Control Display Unit Control Display Unit Select ALTN EFI Select ALTN EFI Fail Left SG Fail Right SG Select ALTN FMC Select ALTN FMC Fail Left FMC Fail Right FMC Select Normal IRS Select Normal IRS Restore Left IRS Restore Right IRS EFIS Symbol Generator Inertial Reference System
IRS (Inertial Reference System) Switch

NORMAL:

ALTN:

IRS FAULT