ViewSonic PJ452 User Guide - Page 21

Turning off the power NOTE • Turn the power off in right order. Please power off the projector after the connected devices. • Except for an emergency, whenever you turn the projector off, obey the procedure of the following "Turning off the power", and do not disconnect the power cord until the procedure is completed. Neglect causes a damage of the electrode and un-lighting of the lamp. • This Projector is controlled by an internal microprocessor. Under certain exceptional circumstances, the projector may not operate correctly even for turning off the power. In such a case, please push the restart switch ( 4, 17) by using a pin or similar. After making sure that the power indicator lights to solid orange, set the power switch to the OFF position. Only push the restart switch in these exceptional instances. • When a power supply is shut off with a power failure or the restart switch, before turning on again, make the projector cool down at least 10 minutes without operating. 1. Press the STANDBY/ON button on the projector or remote control. The message "Power off?" will appear on the screen for approximately 5 seconds. 2. Press the STANDBY/ON button on the projector or remote control again while the message is visible. The projector lamp will go off, and the POWER indicator will begin blinking orange. Then the POWER indicator will stop blinking and light to solid orange when the lamp cooling is complete. 3. Make sure that the power indicator lights to solid orange, set the power switch to the OFF position. Do not set the power switch to the OFF position while the POWER indicator is green or blinking. The POWER indicator will go off. 4. Close the lens cover. For safety purposes, disconnect the power cord if the projector is not to be used for prolonged periods of time. ViewSonic PJ452 17