Solder Pot Bath CM310 300W Lead-Free Titanium Alloy Round Soldering Irons. Rated power 300W. Compensation is completed, press CAL function key twice to save and exit. Perform the auto-tuning operation, press and hold the shift key three seconds thermostat will automatically enter the self-tuning state, the display and the set temperature AT, and two subtitle will not stop cross flashing, direct 20 minutes -40 minutes self-tuning at the end, only the normal display temperature you set.
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