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4. OPERATION continued …
PICTURE
The Picture menu provides video adjustments for the source material and each source component. Do not
make adjustments in this menu if your display has not been calibrated – skip to the Test Patterns section
and return to this section after calibrating your display.
Input Color Space
For YCbCr input, the default is Auto, which switches between HD and SD color space according to whether
input has HD or SD resolution. In case the source material contains the wrong color space for its resolution,
for example, a cable box that converts 480i channels to 1080i output without converting SD color space to
HD causing some unnatural hues, the color space can be corrected by forcing the setting to either SD or HD.
If the source is in RGB format instead of YCbCr, choose between Studio and Extended – dark scenes can be
used to find the correct setting. The default is Studio.
Brightness / Contrast / Color / Tint
If a source needs Brightness (black level), Contrast (white level), Color (saturation), or Tint (hue) adjustment,
you can do it here. The default for each of these is 50. If the source component puts out RGB and output in
menu1 is set to RGB, Color and Tint are not adjustable so that unnecessary color space conversion is
avoided. If you need to adjust the image in such a case, set the source component to YCbCr output.
Film Mode
Did the source originate from film or from video? If from a video camera, which type? If it’s a film source on
TV, was a regular pattern of fields deleted to change the playing speed? Is it animation, and if so, according
to which animation spec? Is it a mix of sources edited together? Are video characters being scrolled across
a film source?
For a video processor to provide best image quality, it must detect the source’s cadence, or pattern of field
sequence, and deconstruct it accordingly. The Gennum VXP processor can not only do that, it can do so even
when the input is high-definition. Film Mode can be overridden by changing the setting from ‘Auto’ to ‘Off’,
but don’t do it unless you need to.
Detail Enhancement
Digital processing is used to do what the name implies – experiment with the level adjustment and leave it
where the picture looks best. The factory default is 0.
SCALE OUTPICTURE CROP INPUT PATTERNS INFO
OUTPUT
Input Color Space
Bright / Contrast / Color
Film Mode
Detail Enhancement
Noise Reduction
Motion Threshold
Chroma Bug Filter
Video ADC