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User Manual - ProVideo GUI v1.2.4
un-editable preview of the gamma curve.
2 Select channel for gamma. The RGB curves will be overlain with the master curve
to create to resulting RGB curves. The GUI will show the resulting curve with a
darker color. In “Fast Gamma” mode, the channels can not be separately and only
“Master” will be shown.
3 Enable “Table-Based Interpolation” which allows for a fine adjustment of the
gamma curve but is not ideal for real-time gamma changes.
4 The device can store up to five different tables of sample points, use the storage
selector to switch between them.
5 Table of all sample points for the selected curve and preset. Entries can be edited
by double clicking a value.
6 Delete the currently selected entry out of the table.
7 Clear all sample points from the table. This will create a linear de-gamma function
for the currently selected curve and preset.
8 Calculate LUT tables for given sample points on the device. This must be done
to apply any changes.
9 Load / save gamma curve from / to file.
10 Save current gamma curve to file.
11 By default the parameters in this box are set to generate a standard REC.709 de-
gamma curve. Fine tune the parameters to generate a custom de-gamma curve.
12 Reset the REC.709 parameters to their defaults to restore the standard REC.709
de-gamma curve.
13 Calculate the de-gamma curve based on the given parameters for the currently
selected curve and preset. This will also apply the curve on the device. Please
note that to generate the default behavior, the Master curve should be set to
REC.709 and the RGB curves should be linear.
14 Enable “Fast Gamma” mode which changes the gamma curve by varying only one
parameter. In this mode you can not set the RGB channels separately, but it is
faster and thus can be used during production.
15 Change the gamma value.
16 Set gamma value to REC.709 default.
17 Enable “Fixed Gamma” mode where the gamma curve is set to a fixed preset. You
can select between REC.709, REC.2100 PQ, REC.2100 HLG and S-Log3.
The PQ and S-Log3 curves will be calculated to use the full SDI code range, for
PQ that means a display brightness of 10000 cd/m2, for S-Log3 it is equal to a
master gain of 10 dB. If you need different settings, use the HDR / LOG gamma
feature in the In-Out Tab (see chapter 4.1 point 21, also see note below).
Note: Some devices support a feature, where each of the two SDI output has its own
lookup-table. To enable this feature the mode of the second SDI output has to be set to
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