8
7. Changing between Celsius and Fahrenheit
This thermometer can display temperature measurements in either Fahrenheit
or Celsius. To switch the display between °C and °F, simply turn OFF the unit,
press and hold the START button
③
for 5 seconds; after 5 seconds, the current
measurement scale («°C» or «°F» icon) will flash on the display⑮. Change the
measurement scale between °C and °F by pressing the START button
③
. When
the measurement scale has been chosen, wait for 5 seconds and the unit will
automatically enter the «ready for measuring» mode.
8. How to recall 30 readings in Memory Mode
This thermometer can recall the last 30 readings.
Recall mode ⑯: Press the START button
③
to enter Recall mode when power
is off. The memory icon «M» will flash.
Reading 1 - the last reading ⑰: Press and release the START button
③
to
recall the last reading. Display 1 alone with memory icon.
Reading 30 - readings in succession: Press and release the START button
③
consecutively to recall the last 30 readings in succession.
Pressing and releasing the START button 3 after the last
30 readings will resume the above sequence from reading 1.
9. Error Messages
Measured temperature too high ⑱: Displays «H» when measured
temperature is higher than 42.2 °C / 108.0 °F in body mode or 100 °C /
212 °F in object mode.
Measured temperature too low ⑲: Displays «L» when measured
temperature is lower than 34.0 °C /
93.2 °F in body mode or 0 °C / 32 °F in object mode.
Ambient temperature too high ⑳: Displays «H» in conjunction when ambient
temperature is higher than 40.0 °C / 104.0 °F.
Ambient temperature too low
○
21
: Display «L» in conjunction when ambient
temperature is lower than 16.0 °C / 60.8 °F in body mode or lower than
5.0 °C / 41.0 °F in object mode.
Error function display
○
22
: The system has a malfunction.
Blank display
○
23
: Check if the batteries have been loaded correctly. Also check
polarity (<+> and <->) of the batteries.
Flat battery indication
○
24
: If this icon « » is the only symbol shown on the
