Matco Tools MM200 LCD Operator's Manual page 14

MAINTENANCE AND TROUBLESHOOTING
2) In the welding interface, rotate L Knob to set the welding current, for which the adjustable
scope is different with the welding wires and gases as described in §4.3;
3) The welding voltage will be automatically set as the value corresponding to that of the
welding current set by rotating L Knob.
4) When the programmed welding current does not meet user requirements, the setting is
available by rotating R Knob;
5) After the setting, press L Knob and R Knob for confirmation;
§4.2.2Operation of the MIG/MAG Manual welding method:
1. Selection of the welding method:
1) In the main interface, press the MENU key to enter the function selection interface;
2) In the function selection interface, rotate L Knob to select the MIG/MAG Manual welding
method and press down it for confirmation as shown in Fig. 1;
3) In the wire cabinet, confirm "Selection Switch" is turn down to activate wire feed drive.
2. Selection and setting of welding parameters:
1) In the main interface, press the MENU key to enter the welding parameter setting interface;
2) In the welding parameter setting interface, rotate L Knob to select the parameter as
required and rotate R Knob to set a value for the parameter, afterwards, press L Knob or R
Knob for confirmation. Refer to Fig. 2;
3. Setting of wire feed rate and welding current:
1) Press the ENTER key to enter the welding interface shown below:
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