ah looks like you also found my post on: http://www.3dprintingforum.us/viewto...p=16113#p16113

Perhaps, is this line already in the Marlin Config.h or am I adding it? Conversely is there a way to do it via Pronterface and gcode commands?

I don't like posting every where, but seems like a lot people don't know what I'm asking. or that the solution is so incredibly simple they don't bother