Open notepad and put the following in it
If GetOemLED(27) Then
DoOemButton (132)
Else
End
End If
Name it m111.m1s or similar and save it in your profiles macro folder. Next put m111 in the initialisation line on the general config page.
Each time you start Mach the macro will look at the LED for the toolpath and if its on it will press the button to disable it, if its not on then it will do nothing. When you initially start Mach it will probably be on but as soon as you press Reset it should shut off.
Hood