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Instruction Manual
33
If the system cannot nd the test pattern on the screen, check that the pattern isn’t
scaled or covered up. (perform this operation in 24-bit or 32-bit color video mode (i.e.
truecolor). Although the algorithm may work in 16-bit or 8-bit color video modes, the
results will not be optimum and usually it won’t be able to recognize the test pattern.
Pressing the Advanced button will open the Advanced Video Tuning menu. While the
vast majority of users will not need to adjust these settings, it oers added control of
the video settings of your VNC sessions.
Sampling Phase does not normally need to be used since CABCONS1716I tunes the
sampling phase whenever the video mode changes. This button does not require a test
pattern, but will perform optimally when used with our standard test pattern. For your
reference, the sampling phase number is shown to the right of the Filtering button.
Noise Filter controls the advanced video ltering of our system. Unlike other ltering
algorithms, our noise lter will only remove noise. It does not degrade the signal
quality or readability of small text.You may turn it on and o using the indicated
button, or set it to other values using the arrows. Higher numbers cause more ltering
and may cause artifacts when moving windows. The most common visual artifact is
a vertical line dropping when moving windows horizontally.You may use the Redraw
button to correct these, or use a lower lter number. At minimum, these values must
be greater than two.