Optoma EP741 User Manual - Page 12

Installation English ... 12 Powering Off the Projector 1. Press the "Power/Standby" button to turn off the projector lamp, you will see a message "Power off the lamp? Picture Mute" displayed on the projector's screen. Press the "Power/ Standby" button again to confirm, otherwise the message will disappear after 5 seconds. Please note that if the key is pressed instead, the projector will enter the "Picture Mute" mode and no image will be displayed. To exit the "Picture Mute" mode, press the "Power/Standby" button again. 2. The cooling fans continue to operate for about 60 seconds for cooling cycle and the Power LED will turn green. When the Power LED begins flashing, 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 "Power/ Standby" 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 "LAMP" indicator lights solid red, the projector will automatically shut itself down. Please contact your local reseller or service center. ™ When the "TEMP" indicator lights solid red for about 20 seconds, it indicates the projector has been overheated. You will see a message "Projector Overheated. Lamp will automatically turn off soon." on the on-screen display. The projector will automatically shut itself down. Under normal conditions, the projector can be switched on again after it has cooled down. If the problem persists, you should contact your local dealer or our service center. ™ When the "TEMP" indicator flashs red for about 10 seconds, you will see a message "Fan fail. Lamp will automatically turn off soon. " on the on-screen display. Please contact your local dealer or our service center.