Taurus MIG-250TD, Руководство по эксплуатации, Страница: 12 / 32

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Terminal sockets - positive pole (+) and negative pole (-): In MMA
mode the electrode holder cable is connected to the positive terminal
and the earth cable is connected to the negative terminal and should be
reversed when using scratch start DC TIG in MMA mode. In MIG mode
the polarity cable is connected to the positive terminal and the earth
cable is connected to the negative terminal for all MIG welding
applications, except for gasless flux-core welding where the polarity
cable is reversed and connected to the negative terminal and the earth
cable is connected to the positive terminal.
6
Welding Mode Selection Button: Selection between MIG/MAG and
MMA when the corresponding indicator light is lit.
7
Inching Wire Feed Button: Press and hold the button to feed the wire.
Releasing the button will stop the wire feeding.
8
MMA Welding Adjustment Knob: Rotate to regulate the welding
current.
9
Welding current/wire-feed speed Knob: Rotate to regulate the wire
feed speed or welding current.
10
Trigger Mode Button: Switch between 2T and 4T trigger modes and
operate when the corresponding light is lit.
11
Gas Button ： Press and hold the gas button to start the gas flow
inspection. Releasing the button will stop the gas flow .
12
Induction Adjustment Knob: Rotate the knob to adjust inductance and
regulating arc intensity.
13 Voltage Adjustment Knob: Rotate to regulate the output-voltage.
3. Setting the Trigger Mode
3.1. 2T Mode
This setting applies for short-spell welds and the responding current curve is
depicted below.