35
9. Measuring object temperature/room temperature
Object t
emper
atur
e mode
If you want to measure an object temperature with this thermometer, switch to object tem-
perature mode.
• With the thermometer switched on, briefly press the
MODE/MEM
button. The device
switches to the object temperature mode (Fig. 14).
• Hold the thermometer 2 to 3 cm from the measuring point. Briefly press the /
SCAN
button and read the temperature on the display (Fig. 15).
The device automatically switches off after approx. 60 seconds or you can press the
/
SCAN
button for 5 seconds to switch it off.
Fig. 14
Fig. 15
Measurements taken in object temperature mode are not stored.
Room t
emper
atur
e mode
If you want to use the thermometer to measure the room temperature you need to switch to room tem-
perature mode.
• With the thermometer switched on, briefly press the
MODE/MEM
button twice.
The device switches to room temperature mode
.
• The room temperature is immediately displayed (Fig. 16).
The device automatically switches off after approx. 60 seconds or you can press the /
SCAN
button for
5 seconds to switch it off.
Fig. 16
Measurements taken in room temperature mode are not stored.
10. Error messages
Error mes
sage
Problem
Solution
Measurement during self-test, device not yet ready for
measurement.
Wait until the forehead symbol stops flashing.
Room temperature below 15 °C or over 40 °C (<59 °F,
>104 °F).
Room temperature must be between 15 °C and 40 °C
(59 °F – 104 °F).
Summary of Contents for FT 85
Page 162: ...162 ...
Page 163: ...163 ...
