3. How to set battery
Note:
Make sure to check the battery polarity. If you set
the battery improperly, the unit does not work and it
might cause some damage on the electric circuit.
Cover
Cover convex
Set screw
Battery box
Battery
LR03 (AAA) x4pcs
①
Loosen the screw on the battery box cover.
②
Set 4 batteries (LR03: AAA battery) as described on the
bottom of the battery box.
③
After setting batteries in the battery box, insert the convex into
the concave and set the battery cover on the battery box.
Then tighten the screw and fix the battery cover on the body.