Changing those mode settings can cause burn issues and there isn't anything published on them. Several folks have tried them out and fallen back because of dirty burns.
The first two of the three lower settings are used to match the stove to the fuel and venting situation. The third is air on temperature and shouldn't be changed unless you are troubleshooting with an England tech on the phone.
The first two of the three lower settings are used to match the stove to the fuel and venting situation. The third is air on temperature and shouldn't be changed unless you are troubleshooting with an England tech on the phone.