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Programming key.
Mode key.
Scroll/Store key.
E Welding parameter regulator.
1 LED - parameter enabled: arc/trim inductance
2 LED - parameter enabled: spot start
3 LED - parameter enabled: motor slope
4 LED - parameter enabled: spot welding time
5 LED - parameter enabled: burn back time
3.2
FUNCTIONS
When the power source is switched on by means of the main power switch
located on the front panel the digital instrument is switched on to enable the fol-
lowing operations:
3.2.1 WELDING PROCESS SELECTION
(Ref. A- Fig. 1 page 3)
according to the following sequence:
Position 1 - coated electrode welding (MMA)
Position 2 - continuous wire feed welding (MIG)
Position 3 - TIG welding with lift mode (TIG lift); to ignite the arc,
proceed as follows:
a.
touch the welding piece with the electrode to cause a short-circuit;
b.
lift the electrode from the welding piece to ignite the arc.
3.2.2 WELDING MODE SELECTION
(Ref. B- Fig. 1 page 3)
This selector is enabled only for MIG welding.
To select welding mode, proceed as follows:
Position 1
2 stage welding: in this mode press the torch trigger to ignite the welding current.
Hold the trigger down for the duration of the welding operation
.
Position 2
4 stage welding: this mode features four torch trigger functions for automatic
welding operations. The first time the torch trigger is pressed the gas flow is acti-
CONTROL PANEL DESCRIPTION AND FUNCTIONS
vated; when released, the welding current ignites. The second time the trigger is
pressed, welding is interrupted; when the trigger is released, gas flow is shut off.
Spot welding: in this mode spot welding can be performed with programmable
times.
3.2.3 WELDING POWER REGULATION
(Ref. C- Fig. 1 page 3)
This potentiometer enables regulation of the welding current when the power
source is programmed for MMA and TIG welding processes, and regulation of the
welding voltage when the power source is programmed for MIG welding pro-
cesses. In the first case, the digital instrument (Ref. F- Fig. 1 page 3) displays the
set value of the current and LED A illuminates; as soon as welding begins the
instrument indicates the real welding current.
In the second case, the digital instrument displays the set value of the voltage and
LED V illuminates; as soon as welding begins, the instrument indicates the real
welding current.
3.2.4 WIRE SPEED REGULATION
(Ref. D- Fig. 1 page 3)
This potentiometer enables regulation of welding wire feed when the power source
is programmed for MIG welding processes.
The torch trigger can be used to display the speed setting in metres per minute on
the digital instrument; simply press the trigger briefly and then release (without
touching the welding piece).
In this case the set speed is displayed and the m/m LED illuminates; if no modifi-
cations are carried out within 3 seconds, the display returns to the indication of
welding voltage.
The following signals are also present in this section:
3.2.5 ARC IGNITION INDICATOR LED
(Ref. H- Fig. 1 page 3)
This LED indicates that voltage is present in the welding circuit and the digital
instrument is displaying the voltage reading.
3.2.6 PROTECTION ACTIVATION INDICATOR LED
(Ref. I- Fig. 1 page 3)
(GB) 4
Position 3
GB
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