Acer PD523 User Manual

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4

Auto : Keep the image with original width-higth ratio and

maximize the image to fit native horizontal or vertical pixels.

4

Press the 

 to move the image left.

4

Press the 

 to move the image right.

4

Press the 

 to move the image down.

4

Press the 

 to move the image up.

“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” 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.