User manual BENQ EW2420

[. . . ] LCD Monitor User Manual E2220HD E2420HD EW2420 Welcome Copyright Copyright © 2010 by BenQ Corporation. 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. Disclaimer 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 of BenQ Corporation to notify any person of such revision or changes. Please follow these safety instructions for best performance, and long life for your monitor Power Safety · The AC plug isolates this equipment from the AC supply. · The power supply cord serves as a power disconnect device for pluggable equipment. [. . . ] Check the option Install from a list or specific location and click Next. Check the option Search for the best driver in these locations and also check Search removable media, then click Next. Please wait while the wizard searches for drives and the BenQ LCD Monitor CD inserted in step 6. When completes, the wizard should have found and selected the BenQ driver on the CD appropriate to your monitor model. 9. Select (single-click) the correct name of your monitor from provided driver list on the CD, and click the Next button. This will copy and install the appropriate monitor driver files to your computer. 10. Click Finish. This will close the wizard and return you to the Monitor Properties window. 11. Click Close, OK, and OK. This will close the Display Properties windows. You may be prompted to restart your computer after the driver update is complete. 18 Getting the most from your BenQ monitor 5. Picture optimization The easiest way to obtain an optimal display from an analog (D-Sub) input is to use the AUTO key function. Press the AUTO key to optimize the currently displayed image to the screen. When you connect a digital video output using a digital (DVI or HDMI) cable to your monitor, the AUTO key and the Auto Adjustment function will be disabled, because the monitor will automatically display the best image. Please ensure that the connected graphic card on your computer is set to the native resolution of the monitor when you use the AUTO key function. If you wish, you can always adjust the screen geometric settings manually using geometry menu items. To assist you in this endeavour, BenQ has provided a screen test image utility which you can use to check for screen color, grayscale and line gradient display. Run the test program auto. exe from CD-ROM. You could also use any other image, such as the desktop of your operating system. However, we recommend that you use auto. exe. As you run auto. exe, a test pattern displays. Press the MENU key to access the monitor On-Screen Display (OSD) menu. Use the or keys to select DISPLAY and press the ENTER key to enter the menu. 5. If you notice a vertical noise (like a curtain effect-shimmering of vertical lines), press the or keys to select Pixel Clock and press the ENTER key. Then press the adjust the monitor until the noise disappears. If you notice a horizontal noise, press the ENTER key. Then press the or keys to or keys to select Phase and press the or keys to adjust the monitor until the noise disappears. Picture optimization 19 6. How to adjust your monitor The control panel 1 2 3 4 5 6 1. [. . . ] It is normal for blurring to occur due to conduction losses in extension cables. You can minimize these losses by using an extension cable with better conduction quality or with a built-in booster. Does the blurring only occur at resolutions lower than the native (maximum) resolution? Read the instructions on the link "Adjusting the Screen Resolution" on the CD. Select the native resolution. Pixel errors can be seen: One of several pixels is permanently black, one or more pixels are permanently white, one or more pixels are permanently red, green, blue or another color. · These are pixels that are permanently on or off and is a natural defect that occurs in LCD technology. The image has a faulty coloration: It has a yellow, blue or pink appearance. [. . . ]