Go to Yscale/Scale fit. Pass a zero value to disable autoscale, 1 to autoscale once "now", 2 to turn autoscale on. This will act on Yscale n°0. If you have several Yscales, you have first to set the Active Yscale property.
Don't know where you were looking !
🙂
Chilly Charly (aka CC)