In the event of an electrical emergency, the display selector knob on the reversionary panel is disabled, and the PFD will be displayed on MFD 1 regardless of the knob position.
The ADS button allows selection of an alternate air data source. The IRS button changes the attitude and heading source from the on-side system to the cross-side IRS.
Categories: Embraer 170/190 | Flight Instruments/Comm/Nav/FMS
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