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Memory mode
The last temperature taken before the thermometer
powers down is stored in memory. To enter the
memory mode, press the « / mem» button.
Even in memory mode, new temperatures can be
taken provided that the ready symbol is
shown.
IRT 3020
The stored temperature is displayed along with
the MEM symbol. To quit the memory mode, press
the « / mem» button again.
IRT 3520
This model allows you to store up to 8 temperatures.
When pressing the « / mem» button, the display
shows the memory cell number (e. g. MEM 1),
when releasing the « / mem» button, the stored
temperature is displayed.
Each further pressing of the « / mem» button
displays the remaining memory cells (up to MEM 8).
An empty memory cell shows « – – – °C». Only the
first empty memory cell will be displayed.
To quit the memory mode, press the « / mem»
button again after reaching MEM 8 or « – – – °C».
Memory clear
Press the « / mem» button for 5 seconds to clear
the temperatures stored in memory.
Release the « / mem» button to return to the ready
symbol .
LCD light
(model IRT 3520 only)
for easy night-time reading
Changing the temperature scale
This thermometer is shipped with the Celsius
temperature scale activated. If you wish to switch to
Fahrenheit (°F), proceed as follows:
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