Download the oem codes.xls link:
http://www.machsupport.com/forum/index.php/topic,6657.0.htmlIn screen4 select "VB function edited in mach" for your buttons.
Save and close screen4, open mach - operator - edit button script - insert code.
eg:(toggle button)
If GetOEMLED (78) Then
DeActivateSignal(Output5)
Else
ActivateSignal(Output5)
End If
Regards
KTM