Acer PD117D series 사용자 설명서

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User Controls
H.Position (Horizontal Position)
Press the 
  to move the image left.
Press the 
 to move the image right.
V. Position (Vertical Position)
Press the 
  to move the image down.
Press the 
 to move the image up.
Frequency
“Frequency”changes the display data frequency to match the
frequency of your computer’s graphic card. If you experience a
vertical flickering bar, use this function to make an adjustment.
Tracking
“Tracking” synchronizes the signal timing of the display with the
graphic card. If you experience an unstable or flickering image, use
this function to correct it.