Samsung 950B User Manual (ENGLISH) - Page 56
Horizontal Frequency, Vertical Frequency
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Specifications 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 adjust the screen as follows. Display Mode IBM, 640 x 480 IBM, 720 x 400 VESA, 640 x 480 VESA, 800 x 600 VESA, 800 x 600 VESA, 1024 x 768 VESA, 1024 x 768 VESA, 1280 x 1024 Horizontal Frequency (kHz) 31.469 31.469 43.269 46.875 53.674 60.023 68.677 79.976 Vertical Frequency (Hz) 59.940 70.087 85.008 75.000 85.061 75.029 84.997 75.025 Pixel Clock (MHz) 25.175 28.322 36.000 49.500 56.250 78.750 94.500 135.00 Sync Polarity (H/V) Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called Horizontal Cycle and the inverse number of the Horizontal Cycle is called 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 Vertical Frequency or Refresh Rate. Unit: Hz