The HELIX 1500 uses a CR2 Battery. This comes pre-installed from the
factory, but has a protective film that needs to be removed. To open
the battery compartment:
1) Lift up the finger tab (Fig 1.1)
2) Twist the cap anti-clockwise to unscrew (Fig 1.2)
3)
Remove the protective film from the top of the battery, and refit
battery cap.
ALWAYS install battery with the flat side (negative) facing DOWN, and
positive side facing up as shown in Fig 1.3
3
CLASS 3R LASER PRODUCT
Avoid direct exposure to eyes