
3.OPERATION AND MANUAL
1.Front Panel
The NBC-500III is used as an example, as shown in Figure 1.
Figure 1 Welding machine front panel
1.1 indicates a control socket, which connects a control wire.
1.2 indicates a positive terminal, which connects the welding cable from a wire feeder.
1.3 indicates a negative terminal, which connects the output cable that connects the workpiece.
1.4 indicates a control socket connecting the RD-1 digital controller. (optional)
1.5 indicates the control panel.
The control panel is used to select or set the functions and parameters of a welding machine. The
control panel displays a digital screen, adjusting knobs, buttons, and LED indicators.
1.5.1Function Selection Area