19BASIC OPERATIONTURNING ON THE PROJECTORConnect the projector's AC Power Cord into a wall outlet. TheLAMP indicator lights RED, and the READY indicator lightsGREEN.Press the power ON-OFF button on the Remote Control Unit oron the Top Control to ON. The LAMP indicator dims, and theCooling Fans start to operate. The Preparation Display appearson the screen and the count-down starts. The signal from thesource appears after 30 seconds.23TURNING OFF THE PROJECTORPress the power ON-OFF button on the Remote Control Unit oron the Top Control, and the message "Power off?" appears onthe screen.Press the power ON-OFF button again to turn off the projector.The LAMP indicator lights bright and the READY indicator turnsoff. The Cooling Fans operate for 90 seconds after the projectoris turned off. (During this "Cooling Down" period, this appliancecannot be turned on.)12TO MAINTAIN THE LIFE OF THE LAMP, ONCE YOUTURN THE PROJECTOR ON, WAIT AT LEAST 5MINUTES BEFORE TURNING IT OFF.TURNING ON / OFF THE PROJECTORWhen the TEMPERATURE WARNING indicator flashes red, the projector is automatically turned off. Wait at least 5minutes before turning the projector on again.When the TEMPERATURE WARNING indicator continues to flash, follow procedures below:1. Press the power ON-OFF button to turn off the projector and disconnect the AC power cord from the AC outlet.2. Check the air filters for dust accumulation.3. Clean the Air Filter. (See "AIR FILTER CARE AND CLEANING" section on page 35.)4. Press the power ON-OFF button to turn it on.If the TEMPERATURE WARNING indicator should still continue to flash, contact the sales dealer where you purchasedthis projector or service center.1 Complete the peripheral connections (with Computer, VCR, etc.)before turning on the projector. (Refer to "CONNECTING TOTHE PROJECTOR" on Pages 11~13 for connecting thatequipment.)3 When the projector has cooled down, the READY indicator turnsto green again and you can turn the projector on. After coolingdown completely, disconnect the AC power cord.30The Preparation Display disappears after 30 seconds.NOTE: The Cooling Fan may work for cooling while the projector is turned off. When the Cooling Fanis working, TEMPERATURE WARNING INDICATOR flashes red.Power off?The message disappears after 4 seconds.When the Power Management function is ON, the Projector detects the signal interruption and turns the Projection Lampoff automatically. Refer to “Power Management” on page 33.