NEC NP-P350X - Manual (Page 104)

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5. Using On-Screen Menu
[IMAGE OPTIONS]
Adjusting Clock and Phase [CLOCK/PHASE]
This allows you to manually adjust CLOCK and PHASE.
CLOCK ������������������� Use this item to fine tune the computer image or to remove any vertical banding that might appear� This
function adjusts the clock frequencies that eliminate the horizontal banding in the image�
This adjustment may be necessary when you connect your computer for the first time�
PHASE ������������������� Use this item to adjust the clock phase or to reduce video noise, dot interference or cross talk� (This is
evident when part of your image appears to be shimmering�)
Use [PHASE] only after the [CLOCK] is complete�
NOTE: The [CLOCK] and [PHASE] items are available for RGB signals only.