Optoma HD20 User's Manual - Page 14

nstallation Powering Off the Projector 1. Press the " " button on the remote control or " " button on the control panel of the projector two times with one second interval in between to turn off the projector. First push of button will display the following message on the screen. Noottee Press the " " button (or the " " button) again to confirm the shut down. If the button is not pressed, the message will disappear after 15 seconds. 2. The cooling fans continue to operate for about 60 seconds for cooling cycle and the ON/STANDBY LED will Flash Green. When the ON/STANDBY LED lights solid Amber, the projector has entered standby mode. If you wish to turn the projector back on, you must wait until the projector has completed the cooling cycle and has entered standby mode. Once in standby mode, simply press " " button to restart the projector. 3. Disconnect the power cord from the electrical outlet and the projector. 4. Do not turn on the projector immediately following a power off procedure.  Contact the nearest service center if the projector displays Warning Indicator these symptoms. See pages 47-48 for more information.  When the "LAMP" indicator lights Red ("ON/STANDBY" indicator flashes Amber), the projector will automatically shut down. Please contact your nearest service center for assistance.  When the "TEMP" indicator lights Red ("ON/STANDBY" indicator flashes Amber), it indicates the projector has overheated. The projector will shut down automatically. Under normal conditions, the projector can be switched on again after it has cooled down.  When the "TEMP" indicator flashes Red ("ON/STANDBY" indicator flashes Amber), it indicates the fan has failed. 14