For standard and TPD version: Press “+” and “-” button simultaneously for 2s to enter the output mode interface, then press “+” or “-” button to choose the mode (VV/VW/BYPASS). Finally, press fire button to confirm.
For US version:
1) The default factory setting is set in AUTO mode. When the device is in AUTO mode, it will automatically detect the coil resistance and set the maximum wattage. You can adjust the wattage value with the suggested range:
2) Press “+” and “-” button simultaneously again within the 5s “Warning message” to enter the output option interface; (To cancel, press the fire button´; or if no action was taken during the 5s warning, the device will revert to the AUTO mode.)
3)Press “+” or “-” button to choose the output mode (AUTO/VV/VW/BYPASS) you like, then press the fire button to confirm.