Measuring Object Temperature / Room Temperature; Error Messages - Beurer Janonh JFT 90 Mode D'emploi

Non-contact fever thermometer JFT 90
GB D
• In the upper line, the time and date are displayed alternately.

7. Measuring object temperature / room temperature

If you want to measure an object temperature with this thermometer,
switch to object temperature mode.
• With the thermometer switched on, briefly press the MODE/MEM
button.
The device switches to the object temperature mode .
• Hold the thermometer 2 to 3 cm from the measuring point. Briefly
press the SCAN button and read the temperature in the display
(fig. 9).
Measurements taken in object temperature mode are not stored.
If you want to use the thermometer to measure the room temperature
you need to switch to room temperature mode.
• With the thermometer switched on, briefly press the MODE/MEM
button twice.
The device switches to the room temperature mode
• The room temperature is immediately displayed (fig. 10).
Measurements taken in room temperature mode are not stored.

8. Error messages

Error Problem
message
Measurement during self-test,
device not yet ready for measure-
ment.
28
.
Solution
Wait until the forehead symbol stops flash-
ing.
Fig. 9
Fig. 10