Optoma Technology H77 Contrast, Hue, Keystone & V.Keystone, Re-Sync, Zoom, Format, Menu/Exit

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User Controls

English

Contrast

4“Contrast” controls the degree of difference between the lightest and darkest parts of the picture.

Hue

4“Hue” adjusts the color balance from red to green.

H.Keystone & V.Keystone

4Correct image distortion caused by rotating and tilting the projector.

Re-Sync

4Automatically synchronizes the projector to the input source.

Zoom

4Press “Zoom” to display the zoom menu.

Press or button to zoom in or zoom out of an image.

Format

4Display the “Format” section of the onscreen display menu to select the desired aspect ratio.

Menu/Exit

4Display or exits the onscreen display menu.

Optics Zoom In/Optics Zoom Out

4Press or button to zoom the lens in or zoom out.

Optics Focus Right/Optics Focus Left

4Press or button to focus the image.

Four Directional Select Keys

4Press “Menu/Exit” then use to select items or make adjustments to your selection.

Enter

4Confirm your item selection.

S-Video

4Press “S-Video” to choose S-Video source.

Composite

4Press “Composite” to choose video source.

BNC

4Press “BNC” to choose Analog RGB or YPbPr video from the BNC input.

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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 Projector’s Height Adjusting the Projected ImageTo raise or lower the projector Adjusting the Projector’s Zoom/Focus Control Panel & Remote Control User ControlsContrast HueKeystone & V.Keystone Re-SyncLens Shift Using the Control Panel PowerSource How to Operate Onscreen Display MenusMenu Tree Mode ContrastBrightness ColorReset GammaImage Mode Advanced AdjustmentSignal White PeakingUser Controls Eco Mode LanguageBulb Source LockProjection Vertical ShiftKeystone FormatDigital Zoom Troubleshooting Problem No image appears on screenProblem Partial, scrolling, or incorrectly displayed images AppendicesProblem Image has a vertical flickering bar Problem Image is unstable or flickeringProblem 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