Left/Right Backup Window Heat

• ON - Anti-fogging heat is automatically supplied to the affected windows if primary Window Heat system fails.
• OFF - Backup Window Heat system is off.

Standby Power Switch (Guarded)

• OFF - Removes power from the AC standby bus.
• AUTO - Powers the AC standby bus from the left AC transfer bus or the standby inverter.
• BAT - Provides battery power to the AC standby bus if no AC power is available.

Flight Control Hydraulic Power Switches
for Tail or Wing Actuators

• NORM - Hydraulic pressure is available to control actuators.
• SHUT OFF - Hydraulic pressure to flight control actuators is shut off. Center system flight control shut off valves cannot be closed in flight.

Valve Closed Light
Indicates the respective valve is closed.