Battery Replacement - RS Pro RS 53II Manuel D'utilisation

Data Send (only when RS232 enabled)
Press the ENTER button to send logged data to a Personal
Computer.

Battery Replacement

When the battery symbol "<" appears on the display, there is
insufficient power in the battery for correct
operation – Replace the battery.
The thermometer will retain the settings in its internal memory.
Setup settings will be lost if the batteries are removed for
more than 30 seconds.
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