User manual BENQ MP724

[. . . ] MP724/MP727/MP735 Digital Projector User Manual Welcome Table of contents Important safety instructions . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction. . . . . . . . . . . . . . . . . . . . . . 7 Projector features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Operating in a high altitude environment46 Creating your own startup screen . . . . . . 47 Personalizing the projector menu display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 English Maintenance . . . . . . . . . . . . . . . . . . . 57 Care of the projector . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Adjust the projected image to the size that you need using the ZOOM ring. English FOCUS ZOOM 2. Then sharpen the image by rotating the FOCUS ring. FOCUS ZOOM Correcting keystone Keystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. To correct this, besides adjusting the height of the projector, you will need to manually correct it following one of these steps. · Using the remote control Press / on the projector or remote control to display the Keystone correction page. Press MENU/EXIT and then press / until the DISPLAY menu is highlighted. Press to correct keystoning at the top Press / . Press / . KEYSTONE of the image or press to correct keystoning at the bottom of the image. 6 MENU Exit Operation 35 Magnifying and searching for details If you need to find the details on the projected picture, magnify the picture. Press the key repeatedly until the picture size is suitable for your need. Use the directional arrows ( , , , ) on the projector or remote control to navigate the picture. When the key is pressed again, the picture is further reduced until it is restored to the original size. Press MENU/EXIT and then press / until the DISPLAY menu is highlighted. Repeat steps 2-4 in the section of "Using the remote control" above. Or if you are using the projector control panel, continue to the following steps. Press on the projector repeatedly to magnify the picture to a desired size. To navigate the picture, press MODE/ENTER to switch to the paning mode and press the directional arrows ( , , , ) to navigate the picture. To reduce size of the picture, press MODE/ENTER to switch back to the zoom in/out functionality, and press AUTO to restore the picture to its original size. You can also press repeatedly until it is restored to the original size. The picture can only be navigated after the picture is magnified. You can further magnify the picture while searching for details. English 36 Operation Selecting the aspect ratio The 'aspect ratio' is the ratio of the image width to the image height. Most analog TV and computers are in 4:3 ratio, and digital TV and DVDs are usually in 16:9 ratio. With the advent of digital signal processing, digital display devices like this projector can dynamically stretch and scale the image output to a different aspect than that of the image input signal. To change the projected image ratio (no matter what aspect the source is): 1. Press MENU/EXIT and then press / until the DISPLAY menu is highlighted. Press Press / to select an aspect ratio to suit the format of the video signal and your display requirements. English About the aspect ratio In the pictures below, the black portions are inactive areas and the white portions are active areas. OSD menus can be displayed on those unused black areas. 1. Auto: MP724 and MP727: Scales an image proportionally to fit the projector's native resolution in its horizontal width. [. . . ] Attempting to turn the projector on again during the cooling process. English Remedy Plug the power cord into the AC inlet on the projector, and plug the power cord into the power outlet. Wait until the cooling down process has completed. No picture Cause The video source is not turned on or connected correctly. The input signal has not been correctly selected. Remedy Turn the video source on and check that the signal cable is connected correctly. Select the correct input signal with the SOURCE key on the projector or remote control. Blurred image Cause The projection lens is not correctly focused. [. . . ]