Optoma Technology H77 manual Usage Notice, Precautions

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Usage Notice

English

Precautions

Please follow all warnings, precautions, and maintenance procedures as recommended in this user’s guide.

Warning- Do not look into the lens. The bright light may cause eye injury.

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

Warning- To prevent the risk of electric shock, do not open or disassemble the product.

Warning- Please allow the unit to cool down before changing the lamp; carefully follow the lamp replacement instruc- tions listed under “ Replacing the lamp.”

Warning- This product self-detects the life cycle of the lamp and will display a warning message when the lamp is about to expire. Be sure to replace the lamp when it disaplays warning messages.

Warning- After installing a new lamp, reset the lamp life using the onscreen menu.

Warning- Before turning off the product, follow the cooling fan to run for several minutes.

Warning- Turn on the projector first and then select 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 occurs, 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.”

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Contents Table of Contents Precautions Usage NoticeDo not Product Features IntroductionPackage Overview Product Overview Main UnitControl Panel Connection Ports Wireless Remote Control Installation Connecting the ProjectorPowering On/Off the Projector Powering On the ProjectorPowering Off the Projector To raise or lower the projector Adjusting the Projected ImageAdjusting the Projector’s Height Adjusting the Projector’s Zoom/Focus Control Panel & Remote Control User ControlsKeystone & V.Keystone ContrastHue Re-SyncSource Using the Control Panel PowerLens Shift How to Operate Onscreen Display MenusMenu Tree Brightness ModeContrast ColorReset GammaSignal Image ModeAdvanced Adjustment White PeakingUser Controls Bulb Eco ModeLanguage Source LockProjection Vertical ShiftDigital Zoom FormatKeystone Problem Partial, scrolling, or incorrectly displayed images TroubleshootingProblem No image appears on screen AppendicesProblem Image is out of focus Problem Image is unstable or flickeringProblem Image has a vertical flickering bar Problem LED lighting message Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem Message RemindersLamp Replacing Procedure Replacing the LampCeiling Mount Installation Screw type M6,M8,M10 Screw length 10,16,55 m/m