Lincoln Electric PRECISION TIG 275 SVM162-B Service Manual page 27

4 Step Trigger Modes
Torch
Button
Output
Current
Pre-Flow
Post Flow
Gas
Normal Sequence
4 Step - Restart Enabled
Torch
Button
Output
Current
Pre-Flow
Gas
Hold the second trigger Actuate the trigger
pull for more than 1 holding it less than 1
second to activate the second, to begin
restart function. When the normal down-slope.
trigger is released The following two
up-slope will occur. options are available
during the normal
down-slope period.
4 Step - Restart Disabled
Torch
Button
Output
Current
Post Flow
Pre-Flow
Gas
Hold the second trigger Actuate the trigger
pull for more than 1 holding it less than 1
second to maintain second, to begin
crater current before normal down-slope.
stopping. The following two
options are available
during the normal
down-slope period.
Pre-Flow
Hold the first trigger pull to maintain
the starting current and delay
up-slope.
(With DIP Switch #3 ON)
Post Flow Post Flow
Actuate the trigger
again, during
down-slope, to
immediately end
down-slope and stop.
(With DIP Switch #3 OFF. As Shipped)
Post Flow
Actuate the trigger a third
time, during down-slope, to
immediately end down-slope
and stop.
START/CRATER CURRENT
UP-SLOPE
DOWN-SLOPE
Post Flow
Or actuate and hold the trigger,
during down-slope, to immediately
end down-slope and maintain
crater current. Hold the trigger for
more than 1 second to activate the
restart function. When the trigger
is released up-slope will occur.
Post Flow
Or actuate the trigger a third time,
during down-slope, to immediately
end down-slope. Hold the third trigger
pull to maintain crater current.
4 Step.eps
12-17-07
JRH