Samsung SyncMaster 400CX-2 User Manual page 140

Specifications
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 num-
ber 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 rep-
etition is called the Vertical Frequency or Refresh
Rate. Unit: Hz
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