The ornamental design for a multi-position under-cabinet mounted control system for a portable touchscreendevice, as shown and described.
FIG. 1 is an illustrative isometric projection of an multi-position under-cabinet mounted control system for a portable touch screen device in a 90 degree open position
FIG. 2 is an illustrative front elevational view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1.
FIG. 3 is an illustrative right side elevational view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1.
FIG. 4 is an illustrative left side elevational view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1.
FIG. 5 is an illustrative rear elevational view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1.
FIG. 6 is an illustrative bottom plan view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1.
FIG. 7 is an illustrative isometric projection of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 1 in a folded/closed position; and,
FIG. 8 is an illustrative right side elevational view of the multi-position under-cabinet mounted control system for a portable touch screen device of FIG. 7.