Safety Instructions

04 Laser module focus
SMM
10
Focus:
1. Rotate
the
focus
knob
so
that
it faces vertically
downward
;
2. Loosen
the
thumb
screw
so
that
the
focus
knob
is
in
contact
with
the
carved
object
,
and
then
fix
the
thumb
screw
and
rotate
the
focus knob.