Samsung UE40ES7000U E-Manual page 545

these steps:
N
If Voice Control
TV may be turned on automatically by
effect of the ambient environment.
1. Say the
selected into the microphone
embedded in the TV or press the
VOICE ˜
Control remote. The TV displays the
Voice command bar
N
Trigger words
button on your Smart Touch
When you use
function is set to On, the
size.
Voice
that you
Control,