Samsung UN55ES8000G E-Manual page 186

because the TV can take too long to
recognize these devices.
N
If you set the
saved on a USB HDD, it may take
up to 40 seconds or more to start
playing the file after the TV is turned
on.
●
Off Timer
Set Off Timer
automatically at a time and on a day
of your choosing. You can set up three
On Timer
so that your TV turns off
to play a file