Tektronix Grass Valley 3000 - Manual (Page 161)

4-23
Wipe Operations
Matte Selection
To create a simple background matte, follow the procedure below:
1. Select a background source crosspoint on the A Bus. The DSK
Matte panel controls will automatically delegate to the
Background Subpanel.
2. Select FLAT MATTE .
3. Watch the Program monitor, and adjust Matte BRIGHTNESS to
set the brightness (luminance) of the matte. You may want to
set a midrange brightness to begin with and fine tune the
brightness later.
4. Adjust Matte SATURATION to set the saturation level of the
matte.
5. Adjust HUE to set the matte color that you want.
Super Black
Super Black may be selected for Background Generators 1 and 2
in the Matte Menu. Super Black levels are adjustable in the
Configuration/System Parameter Menu.