79.976

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 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

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Samsung 920XT manual VESA, 1280 x, 79.976, 75.025, 135.000, Horizontal Frequency, Vertical Frequency