ATEM MINI PRO its physical HDMI output is just only one
it is for Multivew / PGM selection.
 
When we need multivew and PGM (clean HDMI) together, you need select the "M/V" icon.
let the internal physical hdmi output be a multiview  hdmi first
 
and then,
you can create another clean hdmi (PGM)  by its another streaming output
 
1. PGM hdmi output be created by " USB-C webcam output"
 
 
     turn on time is 11 sec.
 
 
     it can turn usb-c output of atem mini pro into hdmi output or iOS output
 
    When it turn to hdmi output, you can connect TV monitor
 
    When it turn to iOS output, you can connect iPAD as tv monitor