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6. OPERATION INSTRUCTIONS
WARNING!
Lens cover should be always on when switching on
NVS-33 in bright light conditions. Never aim the
lens in the directions of bright light
6.1. Battery installation
NVS-33 is powered by one standard CR123A battery or 1
AA battery. The type of the used battery is determined by
the battery compartment cap. By default, the sight is
delivered with CR123 battery compartment cap screwed
to the battery compartment. AA battery compartment cap
is included into delivery set.
Prior to battery installation make sure it is in good
condition.