15
Hold the thermometer 0.78“ – 1.18“ from the indicated point on the
middle of the forehead (Fig.8) and press the Start-measurement
button. The end of measurement is signaled by a long beep. The
measuring time is usually less than 1 second. Release the Start-mea-
surement button. You can now read the measurement value.
Note: Only one single measurement is taken at a single spot in the mid-
dle of the forehead.
The display also shows the symbols or depending on the mea-
surement:
Symbol
indicates that the body temperature is equal to or higher than 38°C,
whereas symbol indicates a measured value below 100.4 °F (38°C).
If the acoustic signal is switched on, three beeps will sound once the measurement is com-
plete if the temperature is equal to or higher than 100.4 °F (38°C).
The device is ready to take another measurement when two short beeps sound and the
forehead symbol stops fl ashing.
The measurement is automatically saved with the date/time and classifi cation
/ .
Note:
•
It is not necessary to fi nd an artery as the FT90 (oral measurement equal) reads oral
temperature based on the skin and ambient temperature of one point in the middle of
the forehead.
•
There is no need to scan across the skin.
•
Holding the thermometer in one place too long may cause a higher ambient tempera-
ture reading which could make the body temperature reading lower than usual.
Fig. 8
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