Optoma Technology H77 manual Adjusting the Projector’s Zoom/Focus

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Installation

English

Adjusting the Projector’s Zoom/Focus

You may adjust the projected image size by pressing the Zoom buttons. Press to zoom in or to zoom out. To adjust focus of

an image, press the focus shift buttons and . The projector will focus at distances from 3.3 to 32.8 feet (1.0 to 10.0m).

Zoom/

Focus Shift

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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