EXTENDER SETUP
43
8.
With a poorly adjusted pixel clock you may see one or more vertical areas, where the
lines are smeared (see Figure 20a):
a.
Return to the OSD utility and select the menu command:
Manually adjust the number of pixels per line (Pixelclock)
from the Image menu.
b.
Adjust the pixel clock value until all stripes have disappeared.
c.
Confirm the setting.
9.
Problems with the pixel phase will cause horizontal noise, horizontal wave-formed lines,
flicker or smearing with zebra-pattern (see Figure 20b):
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.
10. If appropriate, reattach your TFT monitor and adjust its image according to the
manufacturer’s instructions.
11. Reinstall your preferred desktop background picture.
Figure 20
Burst test pattern applied to desktop showing problems with
(a) pixel clock setting, (b) pixel phase setting.
(a)
(b)
Summary of Contents for ACS253A-CT
Page 68: ...NOTES...
