Control unit

FIG. 1 is a top, right front perspective view of a control unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

The structural features depicted by broken lines have been shown for the purpose of illustrating portions of the control unit that form no part of the claimed design.