The ornamental design for a portion of a the remote controller, as shown and described.
FIG. 1 is a front perspective view of a portion of a remote controller showing our new design;
FIG. 2 is a front elevation view thereof,
FIG. 3 is a right side elevation view- thereof,
FIG. 4 is a left side elevation view thereof,
FIG. 5 is a top plan view thereof,
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a rear elevation view thereof.
The difference in shading between the center horizontal region and the regions immediately adjacent thereto indicates a contrast of appearance and does not depict any particular color, texture, or material. The broken line showing of selected keys within the shaded region and the remainder of the remote controller is for illustrative purposes only and form no part of the claimed design.