Tweco 400 MST Arc Master - Manual (Page 15)

SYMBOL LEGEND
SEC
VRD
%
t
t2
t1
Amperage
Voltage
Hertz (frequency)
Seconds
Percent
DC (Direct Current)
AC (Alternating Current)
Standard Function
Slope Function
Slope W/Repeat Function
Spot Function
Pulse Current Function
Spot Time (GTAW)
Remote Function
Arc Control (SMAW)
Gas Post-Flow
Gas Pre-Flow
Negative
Positive
Gas Input
Gas Output
Impulse Starting
(High Frequency GTAW)
STICK
(Shielded Metal Arc SMAW)
Remote Control
(Panel/Remote)
Voltage Reduction Device
Circuit
Touch Start
(Lift Start TIG circuit GTAW)