Iiyama ProLite E2208HDS User Manual page 20

Adjust the Phase to correct horizontal wavy noise, fl icker or blur in the zebra pattern.
NOTE In case the strong fl icker or blurs remain on a part of the screen, repeat steps
NOTE
because the Pixel Clock may not be adjusted correctly. If the fl icker or blurs still remain,
set the refresh rate of computer to low (60Hz) and repeat steps from
Adjust the H.Position after the Phase adjustment if the horizontal position moves during
the adjustment.
Adjust the Brightness and Color to get the desired picture after you complete the Pixel
Clock and Phase adjustments.
Put back your favorite wallpaper.
17 OPERATING THE MONITOR
and
again.