Operation Manual
Adjusting
the
contrast
on
the
display
The
contrast
setting
on
the
display
may
change
after
long
use
or
due
to
the
machine
being
transported.
This
setting
can
be
readjusted
with
the
contrast
regulator
(54).
Bobbin
thread
monitor
(model
2040)
If
the
bobbin
is
nearing
its
end
[2
yd
(2
m)
3
‘/
yd
(3
m)1
or
there
is
no
thread
on
the
bobbin,
the
bobbin
symbol
appears
on
the
display.
The
symbol
disappears
after
the
full
bobbin
is
inserted
and
you
start
to
sew
again.
38