System A and B Flight Control Switches

STBY RUD -

Activates standby hydraulic system pump and opens standby
rudder shutoff valve to pressurize standby rudder power control
unit.

OFF -

Closes flight control shutoff valve isolating ailerons, elevators and
rudder from associated hydraulic system pressure
.
ON (guarded position) -

Normal operating position.
Flight Control Panel
Forward Overhead Panel  700/800/900
Standby Rudder On
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