Optoma GT750E User Guide - Page 14

Installation Powering off the projector 1. Press the " " button on the remote control or on the control panel to turn off the projector. The following message will be displayed on the screen. Press the " " button again to confirm otherwise the message will disappear after 15 seconds. When you press the " " button for the second time, the projector will display countdown timer and will shut down. 2. The cooling fans continue to operate for about 10 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. Warning Indicator When the warning indicators (see below) come on, the projector will automatically shutdown:  Contact the nearest service center if the  "LAMP" LED indicator is lit red and if "On/Standby" indicator flashes amber. projector displays  "TEMP" LED indicator is lit red and if "On/Standby" these symptoms. indicator flashes amber. This indicates the projector has See pages 54-55 for more information. overheated. Under normal conditions, the projector can be switched back on.  "TEMP" LED indicator flashes red and if "On/Standby" indicator flashes amber. Unplug the power cord from the projector, wait for 30 seconds and try again. If the warning indicator light up again, please contact your nearest service center for assistance. English 14