Epiphan DVI2PCIe Duo - Manual (Page 42)

Windows Video Capture Application
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DVI2PCIe Duo User Guide
adjustments to the horizontal shift settings.
Increasing or decreasing the value entered in the
Horizontal Shift field shifts the image to the right or left.
Vertical shift Configure vertical shift to offset the captured image
position. For example, a captured image shifted slightly
downward (vertically) can be corrected with minor
adjustments to the vertical shift settings.
Increasing or decreasing the value entered in the
Vertical Shift field shifts the image up or down.
Set offset/gain
(brightness/contrast)
The offset and gain settings control the image
brightness and contrast respectively. Increasing the
offset control causes the image to become darker.
Increasing the Gain control gives the image more
contrast.
This option is available when a VGA source is
connected to the input port.
Sampling phase This setting adjusts the vertical synchronization
properties of the image. You may need to change it
when there is a repetitive distortion or blurriness on the
horizontal axis of the image. Adjust the setting in small
steps until a sharper image is displayed.
This option is available when a VGA source is
connected to the input port.
PLL adjustment This setting is used to squeeze or stretch the image
horizontally.
This option is available when a VGA source is
connected to the input port.
Prefer wide VGA mode This checkbox, when enabled, allows Wide Aspect Ratio