Optoma Technology GT750E manual Image is unstable or flickering

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Appendices

7.Click on “Show all devices”. Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under the “Models” box.

8.Verify that the resolution setting of the monitor display is lower than or equal to UXGA (1600 × 1200).

If you are using a Notebook:

1.First, follow the steps above to adjust resolution of the computer.

2.Press the appropriate keys listed below for your notebook manufacturer to send signal out from notebook to projector. Example: [Fn]+[F4]

Acer

[Fn]+[F5]

IBM/Lenovo

[Fn]+[F7]

Asus

[Fn]+[F8]

HP/Compaq

[Fn]+[F4]

Dell

[Fn]+[F8]

NEC

[Fn]+[F3]

Gateway

[Fn]+[F4]

Toshiba

[Fn]+[F5]

Mac Apple:

System Preference Display Arrangement Mirror display

If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector.

The screen of the Notebook or PowerBook computer is not displaying your presentation

If you are using a Notebook PC

Some Notebook PCs may deactivate their own screens when a second display device is in use. Each has a different way to be reactivated. Refer to your computer’s manual for detailed information.

Image is unstable or flickering

Use “Phase” to correct it. See page 35 for more information.

Change the monitor color setting on your computer.

Image has vertical flickering bar

Useinformation.“Frequency” to make an adjustment. See page 35 for more

Check and reconfigure the display mode of your graphic card to make it compatible with the projector.

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Contents Table of Contents Usage Notice Safety InformationPrecautions Do not Product Features Eye Safety WarningsPackage Overview IntroductionMain Unit Product OverviewControl Panel Input/Output Connections Remote Control Connect to Computer/Notebook Connecting the ProjectorConnect to Video Sources Powering On the Projector Powering On/Off the ProjectorPowering off the projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s FocusWxga User Controls Control Panel & Remote ControlUsing the Remote Control Hdmi On-screen Display Menus How to operateImage Menu TreeOptions Brightness Display ModeContrast Sharpness ColorTint Color Temp BrilliantColorGamma Input Source Color SettingsColor Space Format DisplayEdge Mask ZoomImage Shift Keystone3D 2D 3D Mode3D Format 3D Sync. InvertProjection LanguageProjector ID Menu LocationSecurity Security TimerChange Password User Controls Automatic PhaseFrequency PositionInternal Speaker VolumeMute Audio InputSource Lock ResetHigh Altitude Information Hide Sleep Timer min Direct Power On Auto Power Off min Lamp Reset Brightness ModeLamp Hours Lamp ReminderAppendices TroubleshootingImage is unstable or flickering Image is reversed Projector stops responding to all controls On Screen Messages Replacing the lamp Lamp Replacement Procedure  Computer Compatibility Compatibility Modes Video Compatibility Mode Resolution Sync Hz Sync KHzHdmi 1.4a 3D timing  3D input CompatibilityRS232 Pin Assignments RS232 Commands and Protocol Function ListOptoma Data and HT Projectors GT750 RS232 Protocol Function ListREAD/Return Information from projector Appendices Ceiling Mount Installation USA Optoma Global OfficesBenelux BV FCC notice Regulation & Safety NoticesRemarque à l’intention des utilisateurs canadiens