Operation Manual

4-thread
overedge
seam
The thread
tension
of
needle C
is
too
weak.
The
pink
tension
must
be
turned
towards
+.
4-thread
overedge
seam
The
thread
tension
of
needle
B
is
too
weak.
The
blue
tension
must
be
turned
towards
+.
5-thread
safetystitch
seam
Since
the
5-thread
safety
stitch
seam
consists
of
a
chainstitch
seam
and
a
3-thread
overedge
seam,
the
correc
tion
of
this
seam
is
not
described
again
(see
pages 22
and
23>.
4-thread
safetystitch
seam
Since
the
4-thread
safety
stitch seam
consists
of
a
chainstitch
seam
and
a
2-thread
overedge
seam,
the
correction
of
this
seam
is
not
described
again
(see
pages
20
and
27>.
24