Operators Manual
10
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3 Voltage Range Indicator
This light will be on when the input supply
voltage is too high or too low. There will be
no output.
Low voltage can occur on a weak power
supply, or if the machine is operated from a
long power cable from a weak supply, or an
under rated generator.
High voltage can occur on some rural power
supplies and lightly loaded generators.
4 Latch Mode 2T/4T
Latch mode provides a 2 STEP or 4 STEP
trigger control while in TIG mode:
4.1 2 STEP
In this mode the torch trigger must be
pressed on to initiate welding and held
on till welding is finished.
Up slope and down slope, ignition
current and crater current cannot
used in the 2 STEP.
4.2 4 STEP
In this mode the torch trigger switch is
pressed to start the arc.
The current will stay at the ARC IGNITION
setting.
When trigger is released the current
will increase to the WELDING CURRENT
setting, according to the UP SLOPE time.
Output will continue at WELDING
CURRENT setting.
When torch trigger is pressed again then
the weld output will decrease down to
CRATER CURRENT setting, according to the
DOWN SLOPE time.
Weld output will remain at CRATER
CURRENT until torch trigger is released,
then gas will flow for POST GAS time.
Fig 3
Latch Mode–4 STEP
Time
Amps
IGNITION
CURRENT
PRE GAS
POST GAS
UP SLOPE
WELDING CURRENT
DOWN SLOPE
CRATER
CURRENT
Press + Hold
Torch Trigger
Press + Hold
Torch Trigger
Release
Torch Trigger
Release
Torch Trigger
Fig 2
Latch Mode–2 STEP
Time
Amps
PRE GAS
POST GAS
WELDING CURRENT
Press + Hold
Torch Trigger
Release
Torch Trigger
5 Controls
