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4. OPERATION continued …
Noise Reduction
This can be used to reduce or remove ‘snow’ in the picture, often seen in broadcasts – experiment with the
level adjustment and leave it where the picture looks best. The factory default is 0.
Motion Threshold
A high-quality deinterlacer has to treat the areas of the picture that contain motion differently from the areas
that have very little or no motion. The motion threshold is the point where one type of deinterlacing changes
to another. The factory default (4) should work best but adjustment is provided in case it’s needed.
Chroma Bug Filter
An encode/decode error inherent in DVD and digital TV appears as horizontal streaks over areas that are
rich in color, especially red areas in cartoons and graphics. Turn correction ‘On’ if you see such an artifact,
but don’t spend energy looking for it – your DVD player, depending on model, may already be fixing it.
Video ADC
S-Video and component video signals containing anomalies may need adjustment before being converted to
digital. Video Input Gain (default: Auto) changes the white level and Video Input Offset (default: 50) changes
the black level. Sampling Phase adjustment (default: 15) can be useful when video comes from a video DAC
(e.g. computer video card) containing ringing edges due to improper filtering – adjust for minimal “ghost”
imaging while using a static black and white picture with lots of detail and sharp edges.
For S-Video inputs, two more adjustments are available. Chroma Transient Improvement Level can fix blurred
edges where two colors meet. Luma Digital Noise Reduction Level suppresses spikes in the signal which are
usually noise. The default for both is 0 – experiment and leave where the picture looks best.