Operation Manual

Prog.
10
4
thread
oveilock
seam
The
thread
tension
on
needle
B
is
too
loose.
The
green
tension
must
be
turned
to
+.
Prog.
10
4
thread
overlook
seam
The
thread
tension
of
needle
A
is
too
loose.
The
blue
tension
must
be
turned
to
+.
42