19
SC1900
Operations
‐
Settings
Setting
Welding
Controls
‐
Time
and
Current
The
time
and
current
controls
are
located
on
the
front
of
the
welder.
The
controls
consist
of
a
Time
Button,
Current
Button,
Adjustment
Dial,
and
a
Fine/Coarse
Switch.
The
digital
display
will
indicate
the
settings
chosen
during
setup.
♦
When
setting
time
or
current,
depress
and
hold
down
appropriate
button,
and
turn
Adjust
‐
ment
Dial
clockwise
or
counter
‐
clockwise
to
the
correct
setting
on
the
digital
display.
♦
Use
the
Fine/Coarse
Switch
for
setting
the
appropriate
time
or
current
‐
this
will
toggle
be
‐
tween
10’s
or
100’s
of
amps
and
10th’s
and
100th’s
of
a
second
.
♦
There
is
a
Chart
(see
below)
of
approximate
settings
for
full
‐
base
diameter
studs
located
to
the
left
of
the
Controls.
Time
Button
Adjustment
Dial
Current
Button
Fine/Coarse
Switch
Digital
Displays
DIA
INCH
TIME
SEC
AMPS
DC
DIA
DEC
DIA
MM
1/4
0.200
500
.250
6.35
5/16
3/8
0.300
0.350
550
600
.312
.375
7.93
9.52
7/16
1/2
0.420
0.500
700
900
.437
.500
11.11
12.70
5/8
3/4
0.670
.830
1200
1600
.625
.750
15.87
19.04
