Split V
1. Select <Split V>, press the knob, shows the follows.
Set H total, V total, Height 1 of screen according to actual need.
For example, set V total as 2160, Height 1 is 1080, same with H total.
Set Height 1 as 1080 and Height 2 will be 1080, (V total <2160> - Height 1 <1080> = Height 2
<1080>).