17
SC900
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
Adjustment
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
between
10’s
or
100’s
of
amps
and
10th’s
and
100th’s
of
a
second.
To
adjust
gas
purge
time,
hold
both
the
TIME
and
AMPS
buttons
and
turn
Adjustment
Dial.
The
setting
is
saved
when
the
buttons
are
released.