User manual OPTOMA EP749

[. . . ] Regulation & safety notices This appendix lists the general notices of your Projector. FCC notice This device has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This device generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. [. . . ] To open the OSD menu, press "Menu" on the Remote Control or Control Panel. 2. When OSD is displayed, use key to enter sub menu. keys to select any item in the main menu. Use by keys to select the desired item and adjust the settings key. 4. Select the next item to be adjusted in the sub menu and adjust as described above. 5. Press "Menu" to confirm, and the screen will return to the main menu. 6. The OSD menu will close and the projector will automatically save the new settings. Main Menu Sub Menu Setting English 18 User Controls Menu Tree 19 English User Controls Image-I Display Mode There are many factory presets optimized for various types of images. PC: For computer or notebook. Brightness Adjust the brightness of the image. Press the Press the Contrast to darken image. to lighten the image. The contrast controls the degree of difference between the lightest and darkest parts of the picture. Adjusting the contrast changes the amount of black and white in the image. Press the to decrease the contrast. White Intensity Use the white peaking control to set the white peaking level of DMD chip. For a smooth and more natural image, adjust towards the minimum setting. English 20 User Controls Colour Temperature Adjusts the colour temperature. At higher temperature, the screen looks colder; at lower temperature, the screen looks warmer. Each display mode has its own colour temperature and can memorize user's selection. PC sRGB Photo Low Movie User sRGB High User Mid When you adjust the colour setting item, the colour temperature will be set as "User" automatically. (See the section of "Colour Setting" for details). Saturation Adjusts a video image from black and white to fully saturated colour. Press the to decrease the amount of saturation in the image. Sharpness Adjusts the sharpness of the image. "Saturation" and "De-interlace" functions are only supported under Video mode. Press the to decrease the sharpness. De-interlace This function converts an interlaced video signal into progressive signal. On: Automatically switch the mode of Deinterlace. Off: Switch Deinterlace mode to video mode for video source or TV source. 21 English User Controls Image-II Frequency "Frequency" changes the display data frequency to match the frequency of your computer's graphic card. If you experience a vertical flickering bar, use this function to make an adjustment. Phase "Frequency", "Phase", "Hor. position" functions are only supported under Computer mode. "Phase" synchronizes the signal timing of the display with the graphic card. If you experience an unstable or flickering image, use this function to correct it. Hor. Degamma This allows you to choose a degamma table that has been fine-tuned to bring out the best image quality for the input. Aspect Ratio Use this function to choose your desired aspect ratio. 4:3 : The input source will be scaled to fit the projection screen. [. . . ] example: [Fn]+[F4] Compaq=> [Fn]+[F4] Hewlett => [Fn]+[F4] Dell => [Fn]+[F8] Packard 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. Refer to your computer's documentation for detailed information. Problem: Image is unstable or flickering Use "Phase" to correct it. (See page 22) Change the monitor colour setting on your computer. Problem: Image has vertical flickering bar Use "Frequency" to make an adjustment. (See page 22) 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. 33 English Appendices Make sure the projection screen is between distance 3. 9 to 39. 4 feet (1. 2 to 12. 0 meters) from the projector. [. . . ]