Samsung HW-K650 User Manual page 11

INSTALLING THE BATTERY IN THE REMOTE CONTROL
1. Use a suitable coin to turn the
remote control's battery cover
counterclockwise to remove it
as shown in the figure above.
2. Insert a 3V lithium battery. Keep the
positive (+) pole facing up when inserting
the battery. Put the battery cover on and
align the '●' marks side by side as
shown in the figure above.
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DESCRIPTIONS
3. Use a suitable coin to
turn the remote control
battery cover clockwise
as far as it will go to fix it
in place.