it's a digital thing! "1' means it's energized and "0" means it is null, off.The4thReich » 30 Nov 2023, 7:48 am » wrote: ↑ That can be hard to remember. I think of it as zero in the off position because nothing is happening (zero = nothing). The l is on. I think of it as turning a dial where zero is in the 12 o'clock position. You turn to the right to get one and turn on the machine.