Basic functions
20
If “Lo” or “Hi” appears on the display after
taking a measurement, the temperature
measured has exceeded or underrun
the permissible temperature range.
IMPORTANT INFORMATION on
“Clean warning indicator”:
If, after performing a number of tem-
perature measurements, the green
backlight of the LCD display blinks twice
while emitting 2 audible tones and, this
is not a malfunction, but a warning indi-
cator to “Clean” the device! For this, read
the chapter “ ‘Clean’ warning indicator”.
Basic functions
Indicators for body temperature
The thermometer has a backlight, which immedi-
ately illuminates in different colors after measuring
your body temperature indicating the range of your
body temperature.
Green backlight: The body temperature measured
is below 37.5 °C (99.5 °F).
Red backlight: The body temperature measured is
within the range of an elevated temperature of
37.5 °C (99.5 °F) to 37.9 °C (100.3 °F).
Red backlight red and additionally FE (fever in-
dicator) on the display:
The body temperature measured is within the fever
range between 38.0 °C (100.4 °F) and 42.9 °C (109.3 °F).
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