Samsung PL64E8000GFXZP - Manual (Page 619)

Smart Touch Control is automatically
connected to the TV.
N If you want to perform the pairing
process again, press the reset button
in the center of the back cover using
a pin or the tip of an unbent paper
clip. The Smart Touch Control will be
initialized.
Smart Touch Control PAIRING Reset
button.
Calibrating the Touch Pad