Single Machine, Splicing& Auxiliary Preview
By setting the value ofH start and V start, it is able to realize left-right splicing or up-down splicing.
Auxiliary preview can be used as a prompter for speaker when making a speech.
And it can also be usedas a output for the side screen.
One H1 is able to control the cascading and grouping of 9 pcs of V4, V2.
Built-in 30 presets allow seamless switching among different machines and presets.