Harman Kardon ENCHANT 1300 Owner's Manual page 6

Inserting Batteries before using the Remote
Control (AAA batteries X 2)
Slide the battery cover in the direction of the arrow until it is
completely removed. Insert 2 AAA batteries (1.5V) oriented so
that their polarity is correct. Slide the battery cover back into
position.
ENCHANT SUBWOOFER (Optional)
1 2
1. Main unit
2. Power cord*
* Power cord quantity and plug type vary by regions.
6