Smart Avi RGB2VGA - Manual (Page 37)

RGB TO DVI(/VGA) CONVERTER SETUP
37
8. Problems with the pixel phase will cause horizontal noise, horizontal wave-formed lines,
flicker or smearing with zebra-pattern (see Figure 17b):
a. From the OSD’s Image menu, select the menu command:
Manually adjust the best phase (best point for A/D conversion within
each pixel).
b. Modify the phase until all distortions have disappeared.
c. Confirm the setting.
9. If necessary adjust the size of the visible part of the picture.
(The horizontal and vertical size is displayed in numeric values
for exact adjustment)
10. If necessary adjust the position of the visible part of the screen.
It may be necessary to adjust the picture size (step 9) again
11. If appropriate, re-attach your TFT monitor and adjust its image according to the
manufacturer’s instructions.
Figure 17 Burst test pattern applied to desktop showing problems with
(a) pixel clock setting, (b) pixel phase setting.
(a) (b)