conMIG 300
8 Operation
BA-0001 • 2020-12-01
EN
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11
8.1.2 MC 4 control system
L
Operating button for selecting the welding type: 2-step, 4-step, 2-step spot or custom function.
M
LED indicator for the active welding type: 2-step, 4-step, 2-step spot or custom function.
N
Display for wire speed in m/min and wire speed adjustment by −50% to +50%. Flashing dot:
HOLD function active.
Pos.
Description
Fig. 5
MC 4 control box
A
Voltage display (V)
B
Current display (A)
C
LED indicator of the parameter
shown in the display (B)
D
Parameter selection switch
E
Gas test / increase parameter
F
Wire feed / decrease parameter
G
Manual/automatic mode indicator
H
Material selection /
manual/automatic mode selection
I
Knob for parameter settings
J
Welding type selector
K
LED indicator for the active
welding type
L
Wire feed speed display
Pos.
Description
A
Display for the welding voltage in volts. Flashing dot: HOLD function active and welding
voltage step on step-controlled machines.
B
Display for the welding current in amperes or the material thickness as well as the creep
speed and wire burn-back time.
C
LED indicator of the parameter that is currently shown on the display (B) (creep speed, wire
burn-back time or welding current).
D
Operating button for selecting the creep speed, wire burn-back time, material thickness and
welding current (spot time if spot welding is activated).
E
Operating button for activating the gas test. In setup mode, operating button for increasing
the creep speed and wire burn-back time (LED pos. C) flashes.
F
Operating button for activating the wire feed function. In setup mode, operating button for
lowering the creep speed and wire burn-back time (LED pos. C) flashes.
G
LED indicator for indicating manual or automatic mode.
H
Operating button for material selection (tap for less than 0.5 seconds) and selecting
manual/automatic mode (press for more than 1 second).
I
Knob for setting the material type, wire speed and other parameters.
J
Operating button for selecting the welding type: 2-step, 4-step, 2-step spot.
K
LED indicator for the active welding type: 2-step, 4-step, 2-step spot.
L
Display for wire speed in m/min and wire speed adjustment by −50% to +50%. Flashing dot:
HOLD function active.
A
B
C
D
E
F
G
H
I
J
K
L