Optoma Technology TH7500NL 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 WUXGA (1920 × 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 39 for more information.

Change the monitor color setting on your computer.

Image has vertical flickering bar

Useinformation.“Frequency” to make an adjustment. See page 39 for more

Check and re-configure 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 Install the Projection Lens Connecting the ProjectorConnect to Computer/Notebook Connect to Video Sources Powering On the Projector Powering the projector On / OffPowering off the projector See pages For more information Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting the Projector’s Position Lens User Controls Control Panel & Remote ControlUsing the Remote Control Hdmi On-screen Display Menus How to operateImage Menu TreeSetup Contrast Display ModeBrightness Tint SharpnessColor Image Advanced Input Source Color SettingsColor Space Format DisplayEdge Mask Zoom Digital ZoomImage Shift KeystoneAuto Keystone PIP Location ScreenPIP Size PIP SourceProjection LanguageProjector ID Screen TypeMenu Location Lens Function Security Timer Setup SecurityChange Password SecurityUser Controls Phase Setup Signal RGBFrequency PositionWhite Level Setup Signal VideoBlack Level SaturationLogo Setup AdvancedLogo Capture Closed CaptioningSetup Network How to use web browser to control your projector Click Change settings of this connection High Altitude Source LockInformation Hide Keypad LockVGA Out ResetFunction Option Remote SettingsIR Function Remote CodeUser Controls Option Advanced Lamp Settings Information Brightness ModeInformation Appendices 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 PC Compatibility Modes Video Compatibility Mode Resolution Sync Hz Sync KHz Analog Digital Computer Compatibility MAC RS232 Pin Assignments RS232 Commands and Protocol Function ListSend to projector RS232 Protocol Function ListIRE Send from projector automatically Ceiling Mount Installation USA Optoma Global OfficesLatin America FCC notice Regulation & Safety NoticesRemarque à l’intention des utilisateurs canadiens