Marantz SR 5011 AVR “Monitor 2” Functions?

Have a two TV setup for football. What are the functions of the “monitor 2” HDMI video output?

I’d like to have TV1 on Cable & TV2 on my Apple TV. Is that feasible?

So far all I can get is both TVs to mirror each other.

Any help is appreciated. Thank you.
AVR: Marantz SR 5011
L/ R: Polk Audio 703 LSiM (Bi Amp'd)
C: Polk Audio 255c - LS
R: Def Tech
Sub: PSW 505 (12 inch)
DVD: Oppo UDP 203
TV: 2016 Sony XBR 75X850D

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