Optoma TX780 User Manual - Page 40

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 computer. 2. Press the toggle output settings. example: [Fn]+[F4] Compaq  [Fn]+[F4] Dell  [Fn]+[F8] Packard Hewlett  [Fn]+[F4] 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. (See page 25)  Change the monitor colour setting on your computer. Problem: Image has vertical flickering bar  Use "Frequency" to make an adjustment. (See page 25)  Check and reconfigure the display mode of your graphic card to make it compatible with the product. Problem: Image is out of focus  Adjust the Focus Ring on the projector lens. English 38