Sony Bravia KDL-46X2000 Operating Instructions Manual page 34

Colour Matrix
Usually used in the factory setting (AV1/2/3/7 (Composite and S video input signal)
is set to "ITU601", and AV4/5/6/7 (Component input signal) is set to "Auto"). If the
tone of the picture from the input source is unnatural, select either "ITU601" or
"ITU709", which normalizes the tone.
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