With Cryptopay, I set it to $2.50 for 3:30 min, 25,21,10,10,100,0 from coin value to bonus time on led 7.
I was at $2.00 for 4 minutes.
If you put in $2.50 in quarters it will count down from 3:30 min to 0 for $2.50 and stop, if you swipe a CC with the same settings with count up, it will count...