Datavideo TVS-1000A Instruction Manual page 32

Please note that the Virtualset Maker allows the user to place up to six screens on the studio
layer. Once all six layers are selected, Source B option will then no longer be visible in the "Select
layer type" dialogue box.
The last layer to be imported to the virtualset will be the talent layer (Source A). Also please note
that Source A is also an one-time selection option. However, you are allowed to create unlimited
number of static logos and studio layers.
Please note:
The TVS-1000A supports only one talent layer (Source A), so even if your virtualset is designed
for the two-talent scenario (Source A and Source C), only one talent will appear on the TVS-
1000A system.
After importing the talent layer, the user will find that there is a white frame enclosing the talent.
This is the confinement defined for talent movement, in other words, it is the coverage of a
camera lens during actual shooting.
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