2) Table
of
dip switches and their selection functions
The names
of
the
dip switches and their functions are summarized in Tables 4-2-1 and 4-2-2.
Table
4-2-1
Dip
switch No.
Switch
abbreviation
Official
switch
name
Siunmary
of
functions
SWl
SNUMA~D
Stitch
Number
A ~ D
Used to select
the
manual
countback,
setting
of
the
number
of
stitches for N
of
pattern
3 for
the
SC-220.
SW2
-4
PNEUF
Pneumatic
Foot
Lift
Used
to
select
the
"without
control"
mode
using
the
presser lifter lifting switching.
The
presser
foot
automatically goes up
after
thread
trimming
and
is
kept
raised for 10 minutes
when
SWS - 1 and -2 are set
to
respective ON positions.
(If
only
SWS - 1 is set
to
its
ON position,
the
presser
foot
is
kept
raised for 60 seconds.)
SW3
-2
FLUD
Foot
Lifter Up Delay
Used
to
select
the
delay
time
of
30 ms
or
60 ms
when
turning
ON
the
presser
lifter
switch.
SW3-3
REV
ON
Reverse
On
Used to select
the
function
to
raise
the
needle
rotating
the
machine
in
the
reverse
direction
after
thread
trimming.
SW3
-6
7
TESTA
TESTB
TESTA
TESTB
Used to select
one
of
the
following
three
test
pro
grams
in
accordance
with
how
A
and
B
are
combined.
1.
Speed
test
2.
Input
check
3.
Synchro,
check
SW4
- 1
SET M/A
Start
Back
Tack
Manual/Auto
Used to select
the
reverse feed stitching at
the
start
of
sewing
and
the
speed
control
function.
SW4
-2
WIPON
Wiper On Used to select
the
wiper program
SW4
-4
BSRPT
Bar
Stitch
Repeat
Used
to
select
the
overlapped
sewing
pattern
SW5
-1
2
FLON
FLPW
Foot
Lifter
On
Foot
Lifter
Power
Mitigation
Used
to
select
the
function
to
automatically
lift
the
presser
foot.
Used to select
the
presser
foot
lifting
power
lightening
device.
SW5
-4
UPTRM
Up
to
Trimmer
Used to
stop
the
machine
with
its needle up
when
the
pedal
is set
to
its
neutral
position.
Used to select
the
thread trimming
with
the
needle up.
SW5
-5
SW6-3
SW6-4
SCMBT
SCM
ATR
SCM
ESP
Simple
Count
Back
Tack
Simple
Coimt
Back
Auto
Trimmer
Simple
Count
Back Enable
Stop
Used
to
select
the
manual
count
back
Used to select
the
thread
trimming
after
manual
count
back
Used
to
select
the
manual
count
back
even
when
the
sewing
machine
is at
rest.
Table
4-2-2
Dip
switch
No.
Switch
abbreviation
Official
switch
name
Summary
of
functions
SW5-
7
8
SOFT
ON
SOFT
1/2
Soft
Start
On
Soft
Start
1
or
2
Soft
start
selection
1-stitch
Soft
start
1-stitch,
2-stitch
selection
SW6
- 5
SW4
- 5
6
ACT
A
HOSA
0
HOSA
1
Active
Timing
A
Correction
A 0
Correction
1
SET, reverse feed solenoid ON timing
correction
selection
^Selection
of
correction
amount
SW6
- 6
SW4
- 7
8
ACT
B
HOSE
0
HOSB
1
Active Timing B
Correction
B 0
.
Correction
1
SBT, reverse feed solenoid
OFF
timing
correction
selection
^Selection
of
correction
amount
SW6
- 7
SW6
- 1
2
ACT
D
HOSD
0
HOSD
i
Active
Timing
B
Correction
D 0
Correction
1
EBT,
reverse
feed solenoid OFF timing correction
selection
^Selection
of
correction
amount
SW6
- 8
H/N
Hitachi/National
Hitachi,
Matsushita,
reduction
curve
selection
-
31
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