On Jul 24, 2:23 pm, RoyJ wrote:
I just had to jump in with a mildly off topic response: Yesterday I was
showing a student how the edge finder did the 'jump' when it contacted
the surface (and the usual discussion about the .0005" to .001"
difference from the 'real' edge) when the jump went the wrong direction.
!!@##@!!! I had been running it in reverse! cue to very red faced
instructor.

Was it a Bridgeport? - the ones at my college do that, when you go
from H to L range, on one of them you need to reverse the motor.....I
have to work it out each time.....why its done that way, no idea......

Andrew VK3BFA.