Lincoln Electric SQUARE WAVE TIG 355 Service Manual page 34

B-18
START TIME
START CURRENT
SPOT TIME
REMOTE AMPTROL CONTROLS CURRENT
FROM 2 AMPS UP TO PRESET CURRENT
THE SPOT TIMER CAN BE USED TO TIME A PROGRAMMED SEQUENCE OF START AND/OR
PULSE UP TO 5 SECONDS LONG, OPTIONALLY FOLLOWED BY CRATER FILL. IF CRATER
FILL IS USED, FADE-OUT BEGINS AT THE END OF THE SPOT TIME.
OPERATION
PRESET
CURRENT
BACKGROUND
% CURRENT
SPOT TIME
PRESET
CURRENT
SQUARE WAVE TIG 355
EFFECT OF CONTROLS ON TIG WELDING
LOCAL CURRENT CONTROL
START SWITCH ON
(SHORT HOT START SHOWN)
PULSE SWITCH ON
CRATER FILL SWITCH ON
(SLOW FADE-OUT SHOWN)
SPOT SWITCH OFF
LOCAL OR REMOTE
SPOT SWITCH ON
ALL OTHER LOWER PANEL SWITCHES
OFF
(SPOT TIME IS CUT SHORT IF ARC
START SWITCH IS OPENED BEFORE
END OF SPOT TIME)
B-18