Sync (Synchronized) Signals refer to the standard signals that are
required to display desired colors on the monitor. They are divided
into Vertical and Horizontal Sync Signals. These signals display
normal color images by the set resolution and frequency.

Types of Sync Signals

Separate

•

This is a scheme of transmitting individual vertical and hori-
zontal sync signals to the monitor.

Composite

•

This is a scheme of combining vertical and horizontal sync
signals into one composite signal and transmitting it to the
monitor. The monitor displays the color signals by separating
the composite signal into original color signals.

Dot Pitch

The image on a monitor is composed of red, green and blue dots.
The closer the dots, the higher the resolution. The distance be-
tween two dots of the same color is called the 'Dot Pitch'. Unit:
mm

Vertical Frequency

The screen must be redrawn several times per second in order to
create and display an image for the user. The frequency of this
repetition per second is called the Vertical Frequency or Refresh
Rate. Unit: Hz

Example: If the same light repeats itself 60 times per second, this
is regarded as 60 Hz.

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. The in-
verse number of the Horizontal Cycle is called Horizontal Fre-
quency. Unit: kHz

Appendix

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