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3. Press the soldering station temperature increase or decrease button to
select either the Celsius or Fahrenheit display mode. Once done, press the
hot air rework station temperature increase button to confirm setting and
exit the setting interface.
When the hot air gun stops putting out air abnormally during an operation,
the system will automatically cut off the power to the heating element.
This is to prevent the burn damages on the handle due to heat
accumulation from not putting air out. This function further improves the
safety factor of the product.
Zero-Air Protection
