Samsung PL64E8000GFXZP - Manual (Page 399)

use the TV's microphone, turn on
Voice Control ( System
→
Voice and
Motion Control
→
Voice Control ).
N Say a voice command to proper
volume into the microphone of your
remote within 0.3 ― 0.4 feet. If voice
level is too small or large, voice
command may not be recognized.
N If a menu option or function is not
supported by the Voice Control
function, we suggest trying the