Thermal Arc pro-life 250s, Operating Manual

Page: 35 / 62

6.0 SEQUENCE OF OPERATION
NOTE: Scroll Buttons are used to select the parameters to be set. The
LED’s show which function is being adjusted on the weld sequence graph.
Refer to Symbols Table located in the front of the manual for Symbol
descriptions.
Figure 7. - 250S Front Panel
1. Scroll Buttons – used to select the parameters to be set. The LED’s show which function is
being adjusted on the weld sequence graph.
2. Digital LED display – Welding amperage and parameter values are displayed in this
window. Internal warnings such as over temperature, low or high input voltage applied are
signaled to the operator by a warning sound and error message on the screen.
3. Control knob – allows the operator to adjust the output amperage within the entire range of
the power source also used to set each parameter value.
4. Process Button – This button selects between STICK or Lift TIG mode. A remote control
device is required for use during LIFT TIG operation. See section 4.01, section 2 “ Remote
Control Socket ”, for complete details of the remote device.
1
2
3
4
PRO-LITE 250S
35 June 29, 2005