Optoma Optoma EP725 - Manual (Page 20)

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User Controls
Computer Image
Auto Image
The projector automatically adjusts frequency, tracking, horizontal
and vertical position. With most signal sources, Auto Image
provides the best results.
Frequency
“Frequency” is for changing the display data frequency to match
the frequency of your computer’s graphic card. When you
experience a vertical flickering bar, use this function to make an
adjustment.
Tracking
Choose “Tracking” item to synchronize the signal timing of the
display with that of the graphic card. When you experience an
unstable or flickering image, use this function to correct it.
Horizontal Position
4 Press the to move the image left.
4 Press the to move the image right.
Vertical Position
4 Press the to move the image down.
4 Press the to move the image up.
Reset This Menu
Choose “Yes” to return the display parameters on this menu to
their factory default settings.
Computer mode