... firstly.1.2 The weldment needs to cleanliness, no oxidization, without greasy dirt etc.1.3 ... 1.4 Press to the welding pressure pad (No. 7), put the demand weldment to the top and ... state, digital indicate dXX means spot welding mode, no status block between electrodes, press (START) button to ... state, digital show q_X means braze welding mode, no status block between electrodes, press (START) button to ...