Samsung Syncmaster T240hd User Manual

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TermsSync Signal 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 SeparateThis is a scheme of transmitting individual vertical and horizontal
sync signals to the monitor.
CompositeThis is a scheme of combining vertical and horizontal sync sig- nals into one composite signal and transmitting it to the monitor.
The monitor displays the color signals by separating the compo- site 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
Interlace  and  Non-Interlace
Methods Showing the horizontal lines of the screen from the top to the bot-
tom sequentially is called the Non-Interlace method while show-
ing  odd  lines  and  then  even  lines  in  turn  is  called  the  Interlace
method.  The  Non-Interlace  method  is  used  for  the  majority  of
monitors to ensure a clear image. The Interlace method is the same
as that used in TVs.
Plug & Play This is a function that provides the best quality screen for the user
by allowing the computer and the monitor to exchange informa-
tion automatically. This monitor follows the international standard
VESA DDC for the Plug & Play function.
Resolution The number of horizontal and vertical dots used to compose the
screen image is called the 'resolution'. This number shows the ac-
Appendix