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. [. . . ] 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. (brightest image) Photo: For optimum colour at high brightness. (best colour reproduction) User: Memorize user's settings. 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. 0 stands for minimal peaking, and 10 stands for maximum peaking. If you prefer a brighter image, adjust towards the maximum setting. 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. And this set "User" is the same for all display mode. (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. Press the to increase 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. [. . . ] (See page 27) Problem: Lamp burns out or makes a popping sound When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the "Replacing the Lamp". (See page 36) Problem: LED lighting message Message Standby State (Input power cord) Warming Normal Mode Cooling Flashing Flashing Power-LED (Green) (Red) Temp-LED Lamp-LED Steady light => No light => Error (Lamp failed) Error (Fan failed) Error (Over Temp. ) Flashing English 34 Appendices Problem: Message Reminders Fan fail: Over temperature: Power Off: Replace the lamp: 35 English Appendices Replacing the Lamp The projector keeps track of the lamp usage. [. . . ]