FIG. 1 is a front perspective view illustrating my design for a control device;
FIG. 2 is a front plan view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a rear view thereof; and,
FIG. 8 is a rear perspective view thereof.
The broken line portions of FIGS. 1 and 2 are included to show unclaimed subject matter only and form no part of the claimed design.