Optoma Technology TX780 appendix Precautions

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Usage Notice

Precautions

Follow all warnings, precautions and maintenance as recom- mended in this user’s guide to maximize the life of your unit.

Warning- Do not look into the projector’s lens when the lamp is on. The bright light may hurt your eyes.

Warning- To reduce the risk of fire or electric shock, do not expose this product to rain or moisture.

Warning- Please do not open or disassemble the product as this may cause electric shock.

Warning- When changing the lamp, please allow unit to cool down, and follow all changing instructions.

Warning- This product will detect the life of the lamp itself. Please be sure to change the lamp when it shows warn- ing messages.

Warning- Reset the “Lamp Reset ” function from the On Screen Display “Lamp Setting” menu after replacing the lamp module (Refer to page 36).

Warning- When switching the projector off, please ensure the projector completes its cooling cycle before disconnect- ing power.

Warning- Turn on the projector first and then the signal sources.

Warning- Do not use lens cap when projector is in operation.

Warning- When the lamp reaches the end of its life, it will burn out and may make a loud popping sound. If this hap- pens, the projector will not turn back on until the lamp module has been replaced. To replace the lamp, follow the procedures listed under “Replacing the Lamp”. (See page 41)

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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