Optoma Technology H77 manual Do not

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Usage Notice

Do:

™Turn off the product before cleaning.

™Use a soft cloth moistened with mild detergent to clean the display housing.

™Disconnect the power plug from AC outlet if the product is not being used for a long period of time.

English

Do not:

™Block the slots and openings on the unit provided for ventilation.

™Place the unit under direct sunlight.

™Use abrasive cleaners, waxes or solvents to clean the unit.

™Use under the following conditions:

-Extremely heat, cold or humidity.

-In areas susceptible to excessive dust and dirt.

-Near any appliance generating a strong magnetic field.

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Contents Table of Contents Usage Notice PrecautionsDo not Introduction Product FeaturesPackage Overview Main Unit Product OverviewControl Panel Connection Ports Wireless Remote Control Connecting the Projector InstallationPowering On the Projector Powering On/Off 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 User Controls Control Panel & Remote ControlRe-Sync ContrastHue Keystone & V.KeystoneUsing the Control Panel Power Lens ShiftSource Onscreen Display Menus How to OperateMenu Tree Color ModeContrast BrightnessGamma ResetWhite Peaking Image ModeAdvanced Adjustment SignalUser Controls Source Lock Eco ModeLanguage BulbVertical Shift ProjectionFormat KeystoneDigital Zoom Appendices TroubleshootingProblem No image appears on screen Problem Partial, scrolling, or incorrectly displayed imagesProblem Image is unstable or flickering Problem Image has a vertical flickering barProblem Image is out of focus Problem Message Reminders Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem LED lighting messageReplacing the Lamp Lamp Replacing ProcedureScrew type M6,M8,M10 Screw length 10,16,55 m/m Ceiling Mount Installation