Instruction Manual

Master M 358
Operating manual - EN
3.4 Additional guidance to functions and features
This section summarizes the Master M 358 functions and features and how to use them.
3.4.1 Trigger logic functions
You can select the trigger logic in the
Welding parameters view.
2T
In 2T, pressing the trigger ignites the arc. Releasing the trigger switches the arc off.
4T
In 4T, pressing the trigger starts the pre gas, and releasing the trigger ignites the arc. Pressing the trigger again switches
the arc off. Releasing the trigger ends the post gas.
Powerlog
Powerlog trigger logic function allows the user to switch between two or three different power levels. In Powerlog, press-
ing the trigger starts the pre gas, and releasing the trigger ignites the arc. A quick press of the trigger during welding
switches between levels (after the last defined power level the first level is selected). Long-pressing the trigger at any of
the levels during welding switches the arc off.
To take Powerlog into use, go to the control panel's Welding parameters view and select Powerlog as the trigger logic.
Once selected, choose whether 2 or 3 power levels are used. Still in the Welding parameters view, set up the power
levels for this function. The parameters available for adjustment for each level are:
• Wire feed speed and its minimum and maximum values
• Voltage / Fine tuning
• Dynamics (not available with MAX Cool).
The wire feed speed of each level can also be adjusted in the Home view. Pressing the left control knob button changes
between levels. Green color indicates the selected Powerlog level:
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