Lincoln Electric INVERTEC 400TPX Operator's Manual page 12

Mode Pushbutton:
This pushbutton changes the welding modes of the
machine:

Stick (SMAW)

Lift TIG (GTAW)

HF TIG (GTAW)

Spot TIG (GTAW)
The Spot TIG feature is selectable only if the "option 10" is
previously enabled in the Setup Menu. See "Setup menu"
section for options enabling / disabling.
Each welding mode is is detailed in the Operating
instruction section.
Trigger Mode Pushbutton:
This pushbutton changes the trigger sequence in TIG
welding mode:

2-step / 4-step with restart
selectable by the Trigger Pushbutton and, if enabled,
operates with 2 or 4 step mode:
This indicator will turn on if the restart option is enabled for
the current TIG trigger mode. Restart can be enabled
separately for 2-step and 4-step modes from the Setup
Menu. More information about restart is available in the
Operating instruction section.

2-step

4-step

Bi-Level
Each trigger mode is detailed in the Operating instruction
section.
SEL Pushbutton:
The SELect pusbutton is used to scroll the TIG welding
parameters. At each pressure the relevant led is switched
on and the displays show the current value of the
parameter. If a parameter is disabled for the current
mode of working it will be skipped. The user can then
modify this value turning the Output Current knob. If no
change is made after a timeout (4s), the displays and
LEDs will revert to the default state, where the Output
Current knob sets the output current.
English
This option is not
10
Memory Pushbuttons:
These pusbuttons allows to store (M) or recall (M)
TIG welding programs. 9 memory records (P01 to P09)
are available for the user.
To store [or recall] a record:
Store (M)
Store (M)
Keep pushed for 4s
The Memory pushbuttons are disabled during welding.
See "List of parameters and Factory stored programs"
section below for a complete list of factory stored
programs.
Pulsing Mode Pushbutton:
In the TIG welding modes, this pusbutton turns the pulsing
function ON. When active, the LED next to the pusbutton
is turned ON. In Stick welding mode, this command is
disabled.
When Pulse is active is possible to set Duty cycle (%),
Frequency (Hz) and Background (%) parameters. During
TIG welding is not possible switch ON or OFF the Pulse
command: if ON, during welding is possible operates on
the values of Duty, Frequency and Background current.
Recall (M)
01  10
Recall (M)
English