Settings mode
A long press on the mode button will enter the Settings mode.
Brightness
A flashing symbol means that it is possible to adjust the
brightness level.
Press the mode button to select between level 1, 2, and 3.
A long press on the mode button confirms the setting and takes
you to the settings for temperature.
Auto off: After 1 minute, the display brightness will return to its
default setting (level 2).
Temperature unit
A flashing symbol means that it is possible to adjust the
temperature.
Press the mode button to switch between Celsius and
Fahrenheit.
A long press on the mode button confirms the setting and takes
you back to the Settings mode.
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