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Preset Timing Modes If the signal transferred from the computer is the same as the following Preset Timing Modes, the screen will be adjusted automatically. However, if the signal differs, the screen may go blank while the power LED is on. Refer to the video card manual and adjusts the screen as follows. Display Mode Horizontal Vertical Fre-Pixel Clock Sync Polarity Frequency quency (Hz) (MHz) (H/V) (kHz) IBM, 640 x 350 31.469 70.086 25.175 +/IBM, 640 x 480 31.469 59.940 25.175 -/IBM, 720 x 400 31.469 70.087 28.322 -/+ MAC, 640 x 480 35.000 66.667 30.240 -/MAC, 832 x 624 49.726 74.551 57.284 -/MAC, 1152 x 870 68.681 75.062 100.000 -/VESA, 640 x 480 37.861 72.809 31.500 -/VESA, 640 x 480 37.500 75.000 31.500 -/VESA, 800 x 600 35.156 56.250 36.000 +/+ VESA, 800 x 600 37.879 60.317 40.000 +/+ VESA, 800 x 600 48.077 72.188 50.000 +/+ VESA, 800 x 600 46.875 75.000 49.500 +/+ VESA, 1024 x 768 48.363 60.004 65.000 -/VESA, 1024 x 768 56.476 70.069 75.000 -/VESA, 1024 x 768 60.023 75.029 78.750 +/+ VESA, 1152 x 864 67.500 75.000 108.000 +/+ VESA, 1280 X 960 60.000 60.000 108.000 +/+ VESA, 1280 X 1024 63.981 60.020 108.000 +/+ VESA, 1280 X 1024 79.976 75.025 135.000 +/+ Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called the Horizontal Cycle and the inverse number of the Horizontal Cycle is called the Horizontal Frequency. Unit: kHz Vertical Frequency Like a fluorescent lamp, the screen has to repeat the same image many times per second to display an image to the user. The frequency of this repetition is called the Vertical Frequency or Refresh Rate. Unit: Hz 58 Information For Better Display Adjust the computer resolution and screen injection rate (refresh rate) on the computer as described below to enjoy the best picture quality. You can have an uneven picture quality on screen if the best picture quality is not provided for TFT-LCD. • Resolution: 1280 x 1024 • Vertical frequency (refresh rate): 60 Hz TFT-LCD panels manufactured by using advanced semiconductor technology with a precision of 1ppm (one millionth) and above is used for this product. But the pixels of RED, GREEN, BLUE and WHITE color seem to be bright sometimes or some of black pixels could be seen. This is not from bad quality and you can use it without any problems. • For example, the number of TFT-LCD sub pixels contained in this product are 3,932,160. When cleaning the monitor and the panel outside, please apply the recommended small amount of cleaner by using a soft cloth to polish. Do not force the LCD area but rub softly. If excessive force is applied, you may stain it. If you are not satisfied with the picture quality, you can get better quality of picture by performing the "Auto Adjustment function" in display screen that is appeared as window termination button is pressed. If there's still noise after the automatic adjustment, use the Fine/Coarse adjustment func tion. When viewing a fixed screen for an extended period of time, a residual image or blurriness may appear. Change the mode to energy save or set a screensaver to move the picture when you need to be away from the monitor for an extended period of time. PRODUCT INFORMATION (Image Retention Free) LCD Monitors and TVs may have image retention when switching from one image to another especially after displaying a stationary image for a long time. This guide is to demonstrate correct usage of LCD products in order to protect them from Image retention. Warranty Warranty does not cover any damage caused by image retention. Burn-in is not covered by the warranty. What is Image retention ? During normal operation of a LCD panel, pixel image retention doesn't occur. However, if the same image is displayed for a long time, a slight difference in electric charge accumulates between the two electrodes which encase the liquid crystal. This may cause the liquid crystal to build up in a certain areas of the display. Thus, the previous image is retained 59 Information when switching to a new video image. All display products, including LCD, are subject to image retention. This is not a product defect. Please follow the suggestions below to protect your LCD from image retention. Power Off, Screen Saver, or Power Save Mode Ex) • Turn the power off when using a stationary pattern. • Turn the power off for 4 hours after 20 hours in use • Turn the power off for 2 hours after 12 hours in use • Use a Screen saver if possible • Screen saver in one color or a moving image is recommended. • Set the Monitor to power off with the PC Display Properties Power Scheme. Suggestions for specific applications Ex) Airports, Transit Stations, Stock Markets, Banks, and Controlling Systems We recommend that you follow set up of your display system program as below: Display Information together with Logo or Moving image cycle. Ex) Cycle : Display Information for 1 hour followed by a Display Logo or moving image for 1 minute. Change the Color Informa...