Optoma Technology TX780 appendix Powering off the projector

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Installation

Powering off the projector

1.Press the “Power/Standby” button to turn off the projector lamp; you will see a message

displayed on the projector’s screen. Press the “Power/

Standby” button again to confirm, otherwise the message will disappear after 5 seconds.

2.The cooling fans continue to operate for about 30 seconds for cooling cycle and the Power LED will flash red. When the Power LED stops flashing, the projector has entered standby mode.

Once in standby mode, simply press “Power/Standby” but- ton 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 “TEMP” indicator turns red, it indicates the pro- jector has overheated. The projector will automatically shut itself down.

When the “LAMP” indicator turns red, it indicates a prob- lem with the lamp. Turn off the projector and disconnect the power cord from the electrical outlet, then contact your local dealer or our service center. See page 45.

When the “LAMP” indicator flashes red, it indicates the fan has failed. Stop using the projector and disconnect the power cord from the electrical outlet, then contact your local dealer or our service center. See page 45.

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Contents Regulation & safety notices Operation conditions Table of Contents Important Safety Instruction Safety InformationUsage Notice Class B emissions limitsPrecautions Don’t Eye Safety Warnings Introduction Product FeaturesDocuments Package OverviewMain Unit Product OverviewControl Panel Connection Ports Remote Control with Mouse Function and Laser Pointer Connect the Computer/Notebook InstallationConnecting the Projector Connect the Video Lens Cap Power/Standby Powering On/Off the ProjectorPowering On the Projector Powering off the projector Tilt Adjusting Foot Elevator Feet Adjusting the Projected ImageAdjusting the Projector Image Height Adjusting Projection Image Size Adjusting the Projector Zoom / FocusUser Controls Control Panel & Remote ControlDisplay Mode Volume +Keystone DisplayVideo ClearSource Lock On Screen Display Menus How to OperateMenu Tree Image-I Display ModeBrightness ContrastSharpness Colour TemperatureSaturation Image-II Ver. Shift Input SignalColour ColourDVI/VGA Language LanguageManagement Reset VolumePIP Source Switch RS232 PortLogo Capture Security SettingsLogo LAN How to use web browser to control your projector Local Area Network LAN Lamp & Power Appendices TroubleshootingProblem No image appears on screen Problem Image is out of focus Problem Image is unstable or flickeringProblem Image has vertical flickering bar Problem Image is reversed Problem The image is stretched when displaying 169 DVDProblem Lamp burns out or makes a popping sound Problem LED lighting messageProblem Message Reminders Replacing the Lamp Lamp Replacement ProcedureAnalog Digital Compatibility ModesRS232 Connector VGA-In Connector RS232 CommandsCeiling Mount Installation USA Optoma Global Offices