User manual BENQ MP724

[. . . ] MP724/MP727/MP735 Digital Projector User Manual Welcome Table of contents Important safety instructions . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction. . . . . . . . . . . . . . . . . . . . . . 7 Projector features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Shipping contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Projector exterior view. . . . . . . . . . . . . . . . . . . . . . . . . 9 Controls and functions . . . . . . . . . . . . . . . . . . . . . . . [. . . ] DVI-A DVI-D HDMI VIDEO S-VIDEO · · · The native display resolution of this projector is in a 4:3 aspect ratio (MP735 is 16:10). For best display picture results, you should select and use an input signal which outputs at this resolution. Any other resolutions will be scaled by the projector depending upon the 'aspect ratio' setting, which may cause some image distortion or loss of picture clarity. See "Selecting the aspect ratio" on page 37 for details. Changing Color Space In the unlikely event that you connect the projector to a DVD player via the projector's DVI-D input and the projected picture displays wrong colors, please change the color space to YUV or RGB. Press MENU/EXIT and then press / until the SOURCE menu is highlighted. Press to highlight Color Space Conversion and press / to select YUV or RGB. This function is only available when the DVI-D or HDMI input socket is in use. Operation 33 Adjusting the projected image Adjusting the projection angle The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. These adjusters change the image height and projection angle. Press the quick-release button and lift the front of the projector. Once the image is positioned where you want it, release the quick-release button to lock the foot in position. Screw the rear adjuster foot to fine tune the horizontal angle. To retract the foot, hold up the projector while pressing the quick-release button, then slowly lower the projector. Screw the rear adjuster foot in a reverse direction. English 1 2 If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal. To correct this situation, see "Correcting keystone" on page 35 for details. · · Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage to your eyes. Be careful when you press the adjuster button as it is close to the exhaust vent where hot air comes from. Auto-adjusting the image In some cases, you may need to optimize the picture quality. To do this, press AUTO on the projector or remote control. Within 3 seconds, the built-in Intelligent Auto Adjustment function will re-adjust the values of Frequency and Clock to provide the best picture quality. The current source information will be displayed in the upper left corner of the screen for 3 seconds. · · The screen will be blank while AUTO is functioning. This function is only available when PC signal (analog RGB) is selected. 34 Operation Fine-tuning the image size and clarity 1. 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. It occurs when the projector is not perpendicular to the screen. To correct this, besides adjusting the height of the projector, you will need to manually correct it following one of these steps. [. . . ] 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. The projector and the screen are not aligned properly. Remedy Adjust the focus of the lens using the focus ring. Adjust the projection angle and direction as well as the height of the unit if necessary. Remote control does not work Cause The battery is out of power. There is an obstacle between the remote control and the projector. [. . . ]