Tweco 300 ACDC Arcmaster - Manual (Page 35)

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SECTION 6. 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 the
Symbols Table located in the front of the manual for Symbol descriptions.
Figure 6-1. 300 AC/DC Front Panel
1. Pulse Function: Pressing this button enables the TIG current pulse functions.
2. Remote Current Function: Pressing this buttons enables remote current functions.
3. TIG Mode Functions: Pressing this button scrolls through the output TIG function modes (Standard, Slope,
Slope w/repeat, Spot).
4. 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.
5. Save/Load Buttons: By using the Save & Load buttons the operator can easily save up to 5 welding parameter
programs.
6. Control Knob: Allows the operator to adjust the output amperage within the entire range of the power source
and sets each parameter value.
7. Process Button: This button selects between STICK, HF TIG and Lift TIG mode.
8. Scroll Buttons: Used to select the parameters to be set. The LED’s show which function is being adjusted on
the Sequence Graph.
9. AC/DC Button: Selects between AC or DC welding output.
10. Contactor Function: Pressing this buttons enables Contactor functions.
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