Samsung 783DF User Manual

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Display Mode
Horizontal 
Frequency 
(kHz)
Vertical 
Frequency 
(Hz) 
Pixel Clock 
(MHz) 
Sync Polarity 
(H/V)
VESA, 640 x 480 
37.500 
75.000 
31.500 
-/- 
VESA, 1024 x 768 
68.677 84.997 94.500 +/+ 
VESA, 1280 x 1024 
91.146 
85.024 
157.50 
+/+ 
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