Lincoln Electric LF 52D, Operator'S Manual

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Table 4 Process start and end parameters
Parameter Definition
Torch trigger mode (2-step / 4-step) - change
the function of the torch trigger.

2 Step trigger operation turns welding on and
off as direct response to the trigger. Welding
process starts when the torch trigger is press.

4-Step mode allows to continue welding, when
the torch trigger is released. To stop welding,
the torch trigger should be pressed again.4-
step model facilitates to make long welds.

Default settings: 2-step
Run-in WFS – sets the wire feed speed from the
time the torch trigger is pressed until an arc is
established.

Regulation range: from 1,49 m/min (59 in/min)
to 3,81 m/min (150 in/min).

Default settings for non-synergic mode: OFF.

Default settings for synergic mode: AUTO
mode.
Burnback Time – amount of time that the welding
is continued after the wire stops feeding. It
prevents the wire from sticking in the puddle and
prepares the end of the wire for the next arc
ignition.

Regulation range: from OFF to 0,25 seconds.

Default settings for non-synergic mode: 0,07s.

Default settings for synergic mode: AUTO
mode.