(2) conditions. FRAME 1 TM 9-2320-209-10-1 Operating 115-volt dome and blackout lights under blackout 1. Place POWER SWITCH 115-VAC handle (1) in ON (up) position. 2. Place NO. 4 circuit breaker CEILING LAMP CIRCUIT (2) in ON position. 3. Place OPERATION BLACKOUT SWITCH 115-VAC SYSTEM (3) in up (on) position. 4-213