It’s quite easy to set up an authentic SH-101 patch using the MC-707s four partials. There is actually a patch setup in the project for you with these defaults to start from.

PTL 1 = Square wave, PTL 2 = Saw. PTL 3 = Square (to match the three sub settings of the SH-101, either at -12, -24, or -24 with 96 PW), PTL 4 = PCM -> White Noise

Use the VCF (Flat). Filter slope -24dB. Set Key Tracking to taste between 0 and 127. 

In the Sound Settings turn on Portamento if you want it, then select Legato On or Off as needed. 

For Gate mode, use the Amp envelope at Attack 0, Decay 0, Sus…Read More

Roland haven’t given us a way to save banks/presets on the MC-707, so the patches have been saved to clips in a project which you need to copy to the project folder on your SD card.

When you want to load one of the presets to a clip you need to press the Sound button and then choose to load the sound from another project, and then select the clip you want to load from. I just checked and it describes it on page 26 of the reference manual (screenshot attached).

I’m sorry I don’t have the MC-707 anymore so can’t help you there! Maybe try and find some SH-101 sound design tutorials and then translate the settings over to the MC-707. There’s an SH starter patch in the project that might help, with all the default settings that I used to create the patches. Might be a good starting point 🙂