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CRYSTALVIEW PLUS INSTALLATION AND OPERATIONS MANUAL
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Figure 11. Video Test Card
To begin adjusting the LF and HF equalization, display the text card
as shown in Figure 11. Observe the “H” in the lower left corner of
the test card. Compare it with the example shown in Figure 12 and
adjust the LF or HF equalization to obtain sharp clean image edges.
Figure 12 HF / LF adjustment guide.
Black on White
White on Black
White on Gray
Black on gray
White on Cyan
Yellow on gray
Red on gray
Red on black
Green on black
Blue on black
SKEW SKEW
KVM EXTENDER TEST CARD
LF too low LF too high
Adjust-[L] + [Up Arrow] Adjust-[L] + [Down Arrow]
HF too low HF too high
Adjust-[H] + [Up Arrow] Adjust-[H] + [Down Arrow]