If "Lo" or "Hi" appears on the LCD display
after taking a measurement, the tem-
perature measured has exceeded or
underrun the permissible temperature
range.
Basic functions
Indicators for body temperature
The button ( ) for temperature measurement has a
backlight, which immediately illuminates in differ-
ent colors after measuring your body temperature
indicating the range of your body temperature.
Green backlight: The body temperature measured
is below 37.9 °C (100.3 °F).
Red backlight: The body temperature measured is
within the range of an elevated temperature of
38 °C (100.4 °F) to 42.9 °C (109.3 °F).
If the Thermometer is switched off, you
can push any button, then the backlight
of the button for temperature measure-
ment turns on for approx. 15 seconds.
Shutdown mode
By default, the thermometer is configured to switch
to shutdown mode approx. 60 – 120 seconds after
the last button activity.
Basic functions
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