Longevity TIGWELD 250 EX, Operating Manual

Page: 11 / 28

TIGWELD® 250 EX
www.longevity-inc.com
15
Rectangle Wave Indicator
16
Sine Wave Indicator
17
Square Wave Indicator
18
Triangle Wave Indicator
19
Pulse ON Indicator
20
Pulse OFF Indicator
21
Gas Test Indicator
ON/OFF
22
TIG Mode
23
Stick Mode
24
2-Step Mode Indicator
25
4-Step Mode Indicator
26
Pulse Mode Indicator
27
HF Contact Indicator
28
Lift-TIG Indicator
29
Power Indicator
ON/OFF
30
Thermal Overload Indicator
Lights up If the power source overheats (e.g. because the duty cycle has been
exceeded). For more information on this, see the "Trouble shooting" section.
When the Machine shuts down the yellow light will blink and the data will
be saved.
31
Hot Start
32
Hot Time
33
AC Frequency
34
Parameter Adjustment Knob
Used to adjust welding parameter.
35
Balance
(-30%/+30%)Used to set the cleaning action for TIG AC welding.
36
Parameter Select Left
37
Parameter Select Right
38
Amps
39
Output Amps
40
Memory Display
Memory display 1-9.
41
Store Button
Used to store of to 9 different settings.
42
Polarity Select
43
Wave Form Selector
Used to select wave form (Triangle, Sine, OFF or Rectangle)
44
Pulse Selector
45
Gas Test Button
Used to set the required amount of shielding gas at the pressure regulator.
After you press this button, gas will flow out for 30s. Press the button again
to stop the test gas flow before the 30seconds are up.
46
Process Button
47
Mode Button
ON/OFF
48
HF Contact Button
Select Lift-TIG or HF Start.