Datavideo DVK-400 Instruction Manual page 37

3. Connect your foreground camera to DVK-400.
4. In "Backing Color" on Chromakey page of the UI, you either click "Auto" to generate the key
automatically or the dropper icon to manually select the key color. See
for more information about key generation.
5. After the foreground is chromakeyed, switch your output to the MATTE view shown below.
6. Fine tune the parameters (black level, white level, dark level, bright level, shadow, spill
suppression and edge brightness) to achieve an optimal key. See
more information about these parameters.
Section 4.3 Chromakey
37
Section 4.3 Chromakey
for