Optoma Technology DX339, DW339 Image is unstable or flickering, Image has vertical flickering bar

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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 37 for more information.

Change the monitor color setting on your computer.

Image has vertical flickering bar

Useinformation.“Frequency” to make an adjustment. See page 37 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 WarningsDocumentation Package OverviewMain Unit Product OverviewControl Panel Input/Output Connections Remote Control Connect to Computer/Notebook Connecting the ProjectorConnect to Video Sources Powering the projector On / Off Powering On the ProjectorLens Cap optional Powering off the projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s Zoom / FocusSVGA/XGA Four Directional Control Panel & Remote ControlSelect Keys Standby Indicate the projector’s statusPower ButtonPC/Mouse Control Zoom Eco+ Using the Help button User Controls User Controls On-screen Display Menus How to operateImage Menu TreeOptions Display Mode BrightnessContrast Sharpness ColorTint Gamma Color SettingsBrilliantColor Color TempInput Source Color SpaceFormat DisplayLBX Zoom Edge MaskImage Shift Keystone3D Sync. Invert 3D ModeProjection LanguageMenu Location VolumeScreen Type Projector IDAutomatic PhaseFrequency PositionSecurity Timer Change PasswordSecurity User Controls Closed Captioning LogoSource Lock ResetHigh Altitude Information HideAuto Power Off min Direct Power OnSleep Timer min Power Mode StandbyLamp Reset Brightness ModeLamp Hours Lamp ReminderTroubleshooting No image appears on-screenPartial, scrolling or incorrectly displayed image Image has vertical flickering bar Image is unstable or flickeringImage is out of focus Image is stretched when displaying 169 DVD titleImage is too small or too large Image has slanted sidesProjector stops responding to all controls Lamp burns out or makes a popping soundLED lighting message On Screen Messages If the remote control does not workReplacing the lamp Lamp Replacement Procedure  Computer Compatibility Compatibility ModesSvga XGA Wxga  Video Compatibility Mode Resolution Sync Hz Sync KHzRS232 Pin Assignments RS232 Commands and Protocol Function ListAscii Code HEX CodeFunctionDescription RS232 Protocol Function ListLBX Ascii Code HEX CodeFunctionProjector Return Description Read from projector telnet supported Wall Mount Installation USA Optoma Global OfficesBenelux BV FCC notice Regulation & Safety NoticesRemarque à l’intention des utilisateurs canadiens