Samsung XL30 User Manual (ENGLISH) - Page 25

Preset Timing Modes, Information - led

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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 adjust the screen as follows. Display Mode VESA, 1280 x 800 VESA, 2560 x 1600 Horizontal Frequency (kHz) 49.306 98.713 Vertical Frequency (Hz) 59.91 59.972 Pixel Clock (MHz) 71 268.5 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 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

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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 adjust the screen as follows.
Display Mode
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
VESA, 1280 x 800
49.306
59.91
71
+/-
VESA, 2560 x 1600
98.713
59.972
268.5
+/-
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