Optoma Technology EP747 manual Problem Image is unstable or flickering

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Appendices

5.Select the “Change” button under the “Monitor” tab.

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

If you are using a Notebook:

1.First, follow the steps above to adjust resolution of the com- puter.

2.Press the toggle output settings. example: [Fn]+[F4]

Compaq=>

[Fn]+[F4]

Packard

=>

[Fn]+[F4]

Dell =>

[Fn]+[F8]

Hewlett

Gateway=>

[Fn]+[F4]

NEC=>

 

[Fn]+[F3]

IBM=>

[Fn]+[F7]

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.

Problem: The screen of the Notebook or PowerBook computer is not displaying a 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 documentation for detailed information.

Problem: Image is unstable or flickering

Use “Phase” to correct it.

Change the monitor colour setting on your computer.

Problem: Image has vertical flickering bar

Use “Frequency” to make an adjustment.

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

Problem: Image is out of focus

Adjusts the Focus Ring on the projector lens.

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Contents Table of Contents Usage Notice PrecautionsDon’t Introduction Product FeaturesController Package OverviewMain Unit Product OverviewControl Panel Connection Ports Remote Control with Mouse Function and Laser Pointer Connecting the Projector InstallationConnect the Computer/Notebook Connect the Video Powering On the Projector Powering On/Off the ProjectorPowering Off the Projector Adjusting the Projector Image Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector Zoom / FocusUser Controls Control Panel & Remote ControlUsing the Remote Control VGA1 On Screen Display Menus How to OperateMenu Tree White Peaking Display ModeBrightness ContrastSaturation Colour TempSharpness Ver. Position Vertical Position PhaseFrequency Hor. Position Horizontal PositionVer. Shift Input SignalLanguage Colour AdjustmentSource Lock Menu LocationProjection Keystone Keystone CorrectionTranslucence ResetVolume High Altitude Security Projector IDSleep Timer Reset Lamp HoursECO Mode Auto Power OffAppendices TroubleshootingProblem Image is unstable or flickering Problem Image is reversed Problem Message Reminders Replacing the Lamp Lamp Replacement ProcedureAnalog Digital Compatibility ModesRS232 Connector VGA-In Connector RS232 CommandsCeiling Mount Installation USA Optoma Global Office