Edges - NewTek TriCaster Mini User Manual

transmission, and may result in display problems on some devices.)
Hint: your TriCaster system provides Waveform/Vectorscope monitors, an invaluable aid
to calibrating your video sources.
White Balance – this secondary control group adds U Offset and V Offset controls to
the Proc Amp.
FIGURE 135

The U portion of the video signal carries blue and yellow color information.
Rotating the U Offset knob clockwise shifts the signal toward blue, while a counter-
clockwise twist shifts the signal toward yellow.

The V portion of the video signal carries red and green color information. Rotate
V Offset clockwise to shift the signal toward red and counter-clockwise to shift the
signal toward green.
To automatically white balance – click and hold the mouse button over the Color
(eyedropper) button, and then slide the pointer onto the monitor for the
corresponding source. Release the mouse button over a part of the image that should
appear as white after processing.
It is very common for a source to be supplied with unintentional inclusions; these are
often items that remain after chromakeying is applied, but which need to be removed
along with the background. (Common examples include microphones or lighting
fixtures dangling from above, or perhaps a harsh crease, blemish or tear in the
background screen.) Or, as is frequently the case, the source video itself may have a
few pixels of black or video 'noise' along one or more of its edges.

8.2.5 EDGES

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