# PASSENGER SIGNS
### EMER LT SELECTOR KNOB
OFF: Prevents all emergency lights from illuminating if electrical power is turned off or fails.
ARMED: Automatically illuminates all emergency lights if the airplane loses electrical power or if airplane electrical power is turned off.
ON: Turns on all emergency lights.
### ATTND CALL BUTTON (Momentary Position)
**PUSH:** Single hi/lo tone chime in passenger cabin.
### STERILE SWITCH
**ON:** Illuminates the sterile rainbow light in the cabin.
**OFF:** Turns off the sterile rainbow light in the cabin.
### NO ELEC DEVICES / NO SMKG SWITCH
**ON:** Illuminates the respective signs.
**OFF:** Turns off the respective signs.
### FSTN BELTS SWITCH
**ON:** Illuminates the FASTEN SEAT BELTS signs.
**OFF:** Turns off the FASTEN SEAT BELTS signs.
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