Sainlogic FT0835 Benutzerhandbuch Seite 28

At temperatures greater than 26.7C(80°F), the heat index is displayed,
as shown in the National Weather Service Heat Index Table below:
When the temperature is between 4.4C (40°F) and 26.7C (80°F), the
OUT temperature is displayed (Feels Like temperature is the same as
OUT temperature).
Figure 18
Figure 19
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