Optoma Technology H77 manual Powering Off the Projector

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Installation

English

Powering Off the Projector

1.Press the “Power” button to turn off the projector lamp.

2.After pressing the “Power” button, you will see the message “Power off the lamp? Video Mute” displayed on the projector’s screen. Press the “Power” button again to confirm, otherwise the message will disappear after five seconds.

Please note that if the key is pressed instead, the projector will enter the “Video Mute” mode and no image will be displayed. To exit the “Video Mute” mode, press the “Power” button again.

3.The “Power” LED indicator will flash for about 120 seconds while the lamp cools. After the “Power” indicator stops

flashing, you may then turn off the main power switch on the side of the projector. If you want to turn on the projector, you must press “Power” within 90 seconds of when the “Power” indicator begins to light on.

4.Do not restart the projector immediately following a power off procedure.

™If the “TEMP” indicator flashes orange for approximately

ten seconds, the projector will display “Fan Fail. ” Please contact your local reseller or service center.

™If the “TEMP” indicator illuminates orange, the projector has overheated. The projector will display “Over Temperature.” The projector will then automatically shut down. After cool down, under normal conditional, user can press the “Power” button to turn on the unit again. However, if the problem persists, you should contact your local reseller or service center.

™If the “LAMP” indicator illuminates red, the lamp may of failed. Please contact your local reseller or service center.

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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 Adjusting the Projected Image Adjusting the Projector’s HeightTo raise or lower the projector Adjusting the Projector’s Zoom/Focus Control Panel & Remote Control User ControlsContrast HueKeystone & V.Keystone Re-SyncUsing the Control Panel Power Lens ShiftSource How to Operate Onscreen Display MenusMenu Tree Mode ContrastBrightness ColorReset GammaImage Mode Advanced AdjustmentSignal White PeakingUser Controls Eco Mode LanguageBulb Source LockProjection Vertical ShiftFormat KeystoneDigital Zoom Troubleshooting Problem No image appears on screenProblem Partial, scrolling, or incorrectly displayed images AppendicesProblem Image is unstable or flickering Problem Image has a vertical flickering barProblem Image is out of focus Problem Image is reversed Problem Lamp burns out or makes a popping soundProblem LED lighting message Problem Message RemindersLamp Replacing Procedure Replacing the LampCeiling Mount Installation Screw type M6,M8,M10 Screw length 10,16,55 m/m