Screen Width And Phase - Black Box 3-Channel DVI Extender Installation And Operation Manual

CONFIGURATION
SCREEN WIDTH
The image width (number of horizontal pixels) is usually determined by the VESA
standard.
If your image appears blurred, you can improve image quality by adjusting it within
a range of –16 to +16.
PHASE
Unfavorable analog phasing (pixel scanning time) may lead to degradation of image
quality in the form of blurring, poor contrast or faded writing.
Try to optimize your image within a range from –16 to +15.
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3-Channel DVI Extender - Installation and Operation Manual