SoundMax SM-DVD5111 - Manual (Page 8)

8
Battery installation
1. Remove the battery compartment cover on the back of the RC.
2. Insert the batteries into the battery compartment making sure
that the correct polarity is observed.
3. Install the cover back.
Use two AAA/1.5V batteries for the RC. The RC should be
pointed at remote sensor within 8 meters and within 30 degrees
at the left or the right side.
Take the battery out of the RC if it is not used for a long time.
Do not mix new and used batteries or different types of
batteries. Weak batteries can leak and severely damage the RC