Optoma Technology TH7500NL manual English, Appendices, Image is unstable or flickering

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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