B-12
OPERATION
POWER FEED™ 25M NNS
2- STEP 4- STEP- TRIGGER OPERATION
The
2-Step - 4-Step
switchchangesthefunctionofthe
guntrigger.2-Steptriggeroperationswitchestheweld-
ingoutputON-OFFindirectresponsetothetrigger.4-
Step trigger operation provides 'trigger interlock' capa-
bilityandgivestheabilitytocontroltheamountoftime
spentinthearcstartandarccratersteps.
Press the push button on the case front to toggle
between2-Stepand4-Stepoperation.
The
2-Step, 4-Step
triggerhasnoeffectwhenwelding
withSMAWorCAGprocedures.
2-Step Trigger
2-Steptriggeroperationisthemostcommon.Whenthe
guntriggerispulled,theweldingsystem(powersource
and wire feeder) cycles through the arc starting
sequence and into the main welding parameters. The
weldingsystemwillcontinuetoweldaslongasthegun
trigger is activated. Once the trigger is released, the
weldingsystemcyclesthroughthearcendingsteps
4-Step Trigger
4-Step trigger operation gives the welder additional
control in the welding sequence. 4-Step trigger allows
the welder to choose the arc start, weld and arc end
time. It may also be set-up to work as a trigger inter-
lock.
2-Step Trigger
