User manual BENQ MP611

[. . . ] No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of BenQ Corporation. BenQ Corporation makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties, merchantability or fitness for any particular purpose. Further, BenQ Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation to notify any person of such revision or changes. *DLP , Digital Micromirror Device and DMD are trademarks of Texas Instruments. [. . . ] The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. Do not look into the lens while the lamp is on. The strong light from the lamp may cause damage to your eyes. 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. If the screen and the projector are not perpendicular to each other, the projected image becomes vertically trapezoidal. 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 lower right corner of the screen for 3 seconds. Adjust the projected image to the size that you need using the zoom ring. 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. Press Right4 to correct keystoning at the bottom of the image. Press / on the remote control to display the status bar labelled Keystone, then press to correct keystoning at the top of the image or press to correct keystoning at the bottom of the image. Most analog TV and computers are in 4:3 ratio, which is the default for this projector, 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 source. You can change the projected image ratio (no matter what aspect the source is) by entering Select an aspect ratio to suit the format of the video signal and your display requirements. there are three aspect ratios available: In the pictures below, the black portions are inactive areas and the white portions are active areas. Native: Scales an image proportionally to fit the projector's native resolution in its horizontal width. [. . . ] If the power outlet has a switch, make sure that it is switched on. Wait until the cooling down process has completed. Select the correct input signal with the Source key on the projector or remote control. Adjust the projection angle and direction as well as the height of the unit if necessary. [. . . ]