Samsung UA40ES6200R E-Manual page 392

10. Highlight and select the From field.
The Time Settings
Use the up and down arrow buttons
on your remote to change the values
in each field. Use the left and right
arrow buttons to move from field to
field. Press Enter when done.
11. Highlight and select the To field. The
Time Setting screen appears. Set the
To time the same way you set the
From time in Step 10.
screen appears.