I've bounced all over the place online looking for a answer to this issue.
For whatever reason I cant change the state of any user defined LEDs.
If I'm not mistaken Its just SetUserLED(***,1) for on, this for whatever reason doesn't do anything to the LED, I don't know if its because I'm doing my testing on a computer that's not even connected to a cnc or what.

The script I'm using it in is supposed to find the end line for any code loaded into mach3 and once its done it should light up the led but it doesn't.
Dro 1202 is just to show that its running through, it doesn't actually do anything
Dim I
Dim textLine

Open FileName For Input As #1

While Not EOF(1)
Line Input #1, textLine
I = I + 1
SetuserDro(1202, I)
Wend

Close #1

Call SetUserDRO(1200,I)
Call SetUserLED(500, 1)