Optoma DV11 User Manual page 34

USER CONTROLS
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The "Signal" sub menu
is supported under
the Analog RGB and
Analog YPbPr input
sources.
34 DVD Projector
*
Signal
▀■ Frequency: Changes the display data frequency to match the
frequency of your computer's graphic card. When you expe-
rience a vertical flickering bar, use this function to make an
adjustment.
▀■ Tracking : Synchronizes the signal timing of the display with
the graphics card. If you experience an unstable or flickering
image, use this function to correct it.
▀■ Horizontal: Adjusts the horizontal position.
▀■ Vertical: Adjusts the vertical position.
Reset
Choose "Yes" then "Enter" pressed, the display parameters on this
menu will return to their factory default settings.