Panasonic YD-500KR Operating Instructions Manual page 17

FEEL SAFE TO USE IT.
Welding power source
Crater Current Control
When "CRATER ON" is selected with
the crater selector switch, you can
control a crater welding current
value.
Gas Supply Switch
Prior to welding, use this
switch to adjust a gas flow
rate in advance. Set it to
the "CHECK" side.
(Refer to page 20)
Crater Voltage Control
When "CRATER ON" is selected with the crater selector
switch, you can control a crater welding voltage. Note)
When SIMPLE UNIFIED is selected (refer to pages 30 and
49), this serves as a crater voltage fine control.
A unified crater voltage may not be an optimum
condition, depending on a welding posture, wire brand,
and length of an extension cable. If this is the case,
the crater voltage can be finely adjusted "lower" by
turning this control to the left, and "higher" by
turning to the right.
Warn. Indicator Lamp
When a warn. occurs, this
lamp goes on. It informs
you of an warn inside the
welding power source.
(Refer to page 39)
15
Power Indicator Lamp
This lamp indicates
power-on/-off state.
Turning on the POWER switch
Illuminates a green lamp.
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