B01BUN5334
X, Y and Z axis selection. Step, Velocity and Continuous jogging through MPG Slow jog rate, Feed rate and Spindle Speed change through MPG. 3 user macro control buttons. Screen page selection. Work with any Mach3 Screen. Users Manual: http://vistacnc.com/a03_download/download.htm YouTube Video: http://www.youtube.com/watch?v=x9GJIXa_aR8 More information, visit: www.vistacnc.com