How to use mono in stereo out outboard reverb with Pro Tools(Lexicon PCM 70 / Yamaha SPX 90)

So you've heard about the classic sounds of outboard effects units like the Lexicon PCM 70 and the Yamaha SPX 90. You find one but now you're trying to figure out how to use it as an insert in Pro Tools. There definitely is a way to make it work and lay out a couple of options for you in this video!