Miller S-74 MPa Plus Owner's Manual - Page 36
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8-6.
Setting A Crater Fill Sequence In Non-Synergic Pulse Or MIG
To turn on Crater Fill, press the CRATER
button. The CRATER ON INDICATOR will il-
luminate indicating Crater Fill is active.
To turn off Crater Fill, press the CRATER
button. The CRATER ON INDICATOR will
turn off indicating Crater Fill is inactive.
To enter the CRATER MENU press and hold
the CRATER button until the CRATER
MENU INDICATOR illuminates.
Rotate the LEFT ADJUST Knob to select
different menu items shown in the LEFT
DISPLAY. Rotate the RIGHT ADJUST Knob
to change menu item values shown in the
RIGHT DISPLAY.
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To exit the CRATER MENU press and re-
lease the CRATER button.
Items that can be adjusted in this menu are:
Crater Wire Feed Speed (WFS) - Sets the
Crater Fill wire feed speed.
Crater Arc Length (ARC. L) - Sets the arc
length during the crater time. Range of this
setting is from (0.0 to 100.0) and the level is
set to match crater WFS.
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When MIG is selected in Setup Menu
Level 1 the crater arc length setting will
be replaced by Crater Voltage (VOLT).
Crater Voltage (VOLT) - Sets the voltage
during the Crater Fill time. Range of this
setting is dependent on the power source or
voltage range of selected power source.
Crater Ramp Time (RAMP) - The amount
of time it takes to transition from the weld to
the Crater wire feed speed setting. Range of
this setting is from (0.1 to 5.0) seconds.
Crater Fill Time (TIME) - The amount of
time the wire feed speed is active at the Cra-
ter setting. Range of this setting is from (0.1
to 5.0) seconds.
Crater Tack Time (TACK) - This setting is
for tack welding without crater fill. The Crater
fill will not be active if the arc time is less
than the set time. Range of this setting is
from (0.1 to 5.0) seconds.