5)
Enhanced
series
with
easy
upgrading
• '•^ ^ ^
Thecontroller
comes
inthe
SC-20,
SC-120,
SC-220,
SC-320
and
SC-522
series,
andyoucan
easily
upgrade
them
simply
by
replacing
their
control
panels
(excluding
the
SC-522).
? ; > ..
6) A manualcount-down capabilityhas been added.
As
an
additional
capability,
the
manual
count-down
capability
has
been
added
to
the
one-touch
type
reverse
feed
switch
to
provide
the
control
based
ofa
preset
number
of
stitches.
Description
Applications
Count
back
When the one-touch type reverse feed switch
is pressed,the preset number of stitches is
counted
down.
Sewing pleats
Count
back
+
Thread
trim
When the one-touch type reverse feed switch
is pressed, the preset number
of
stitches is
counted
down,
and
threads
are
trimmed.
Replaces the reverse feed
stitching at a seam end.
(This feature is especially useful
in a sewing machine for standing
work
because
the
need
for
operating
the
thread trimmer
switch
is
eliminated.)
7)
Even
ifa
material
overlap
at
sewing
startorendis
thick,
the
needle
will
notbe
caught
inthe
thick
overlap.
(After
thread
trimming,
youcanturnthe
handwheel
inthe
reverse
direction
to
bring
the
needle
barup to its
highestposition.)
8) Aconnectorfor standing workhasbeen
provided
asa standarditem.
9) A
terminal
for connection to a
sewing
control
system
hasbeen
provided.
10)
The
automatic
presser
foot
lifting
capability
can
be
added
simply
by
adding
the
AK
auto-lifter
and
a
transistor
circuit
board.
11)
The
control
panel
is
very
easy
to
operate
and
the
slant
panel
surface
makes
it
easier
to
see
indication
on
the
panel.
12)
To
ensure
easier
operation
of
the
control
panel,
each
key
has
been
assigned
to
only
one
function.
13)
You
can
setthe
lifting
duration
ofthe
Auto-lifter
after
thread
trimming
for60
sec.
or ten
minutes.
(For
a
sewing
machine
for
standing
work,
it
is
advisable
to
set
the
lifting
duration
for
ten
minutes.)
14)
The
output
transistor
has
been
designed
to
be
a
unit
circuit
board
to
make
ita
common
part.
If
any
trouble
should occur, the minimum function is assured.
(Example
: If
the
thread
trimmer
transistor
fails,
the
wiper
transistor
will
work
to
permit
thread
trimming
and
reversefeed stitching.)
15)
The
trouble
checking
feature
for
the
output
system
(output
monitor
LED)
has
been
added
to
the
conventional
input
system.
This
enables
you
to
quickly
and
easily
identify
defective
parts.
16) Reliability
The
machine
uses
only
the
components
which
have
passed
our
reliability
test
conducted
on
each
discrete
component.
17)
We
are
planning
to
provide
the
following
options
inthe
future:
Sewing
controlcounter (of lowcost)
18)
The
machine
controller
now
can
be
applied
to
the
control
of
the
ED-1
(cloth
edge
sensor)
(Optional).
- 2 -
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