Control panel for a machine control system
FIG. 1 is a perspective view of a control panel for a machine control system showing my new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a top plan view thereof; and 
     FIG. 4 is a bottom plan view thereof. 
     The broken lines showing a housing for a control panel are for illustrative purposes only and form no part of the claimed design.