... electrode compressed the weldment tightly. Press Start button (No.10) or feet step switch (No. 9) after confirm the right welding point. Then ... Stand-by state, digital indicate dXX means spot welding mode, no status block between electrodes, press (START) button to carry on ... Stand-by state, digital show q_X means braze welding mode, no status block between electrodes, press (START) button to carry on ...