Acer B250i User Manual - Page 30

21 English 3 Partial, scrolling • For an incorrectly displayed image: or incorrectly displayed image • Follow the steps for item 2 (above) to adjust (For notebooks) the resolution of your computer. • Press the toggle output settings. Example: [Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8], Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4], NEC [Fn]+[F3], Toshiba [Fn]+[F5] • If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector. 4 The screen of the notebook computer is not displaying your presentation • If you are using a Microsoft® Windows® based notebook: 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. • If you are using an Apple® Mac® OS based notebook: In System Preferences, open Display and select Video Mirroring "On." 5 Image is unstable • Change the display color setting on your computer. or flickering 6 Image has vertical • Check and reconfigure the display mode of your flickering bar graphics card to make it compatible with the projector. 7 Image is out of focus • Press (Auto Focus) to adjust the focus. • Make sure the projection screen is within the required distance. Refer to the "How to Get a Preferred Image Size by Adjusting Distance and Zoom" section for more information. 8 Image is stretched When you play a DVD encoded in anamorphic or 16:9 when displaying a aspect ratio you may need to adjust the following "widescreen" settings: DVD title • If you play a 4:3 format DVD title, please change the format to 4:3 with the projector OSD. • If the image is still stretched, you will also need to adjust the aspect ratio. Set up the display format to 16:9 (wide) aspect ratio on your DVD player. 9 Image is too small • Move the projector closer to or further from the or too large screen.