JD 3320 what is this switch for ?

[mfreund]

I never use mine. I prefer to decide when to stop pushing instead of the computer telling me when it is too much.

 

[sunnyside360]

I never use mine. I prefer to decide when to stop pushing instead of the computer telling me when it is too much.

Same here on both the 4320 and 3720. Tried it on both tractors but prefer operating with it switched OFF for most work I do.