Panasonic YC-300BZ3YHD Operating Instructions Manual page 40

Operation
2) "Crater: ON" welding operation

This welding mode is used to fill in the crater of beads
generated on the terminal end of welding of intermedi-
ate plates and thick plates.
(1) Torch: ON
Arc: ON
Torch switch
Pulse current
Output current
Welding current
Shield gas
* About Self-hold
• Self-hold is reset if the arc cut occurs more than 0.5 second.
• To stop welding during "Self-hold" period, raise the torch until the arc is cut.
40
(2) Torch: OFF
Self-hold: ON
(1)
ＯＮ
(2)
(Self-hold period *)
Initial
current
Pre-flow Up slope

With the "Crater" switch set to "ON", perform welding by
repeating the ON/OFF cycle of the torch switch twice.
(A period of self-maintenance exists. The crater current
and the initial current are also available.)
(3) Torch: ON
Crater arc: ON
(3)
ＯＦＦ
Down slope
(4) Torch: OFF
Arc: OFF
ＯＮ
(4)
ＯＦＦ
Crater current
Post-flow
OMCTT5621E18