https://cdn.eventideaudio.com/manuals/h90/1.8.5/content/h90-control/edit.html#parameters-edit-menu
See 18 – “Select HotSwitch 1-3, and edit parameters for the selected HotSwitch.”
Look at the bottom right corner of the H90 control app under parameters tab and you’ll see PGM-HS1-HS2-HS3
PGM is the program you’re on
Click HS1 and then change whatever knob or knobs you want
Click HS2 and then change whatever knob or knobs you want
Click HS2 and then change whatever knob or knobs you want
Save your program and those hotswitches will be like you set them under each one.