ECOTEST DKG-21 M Operating Manual page 33

MODE and THRESHOLD buttons are used for
switching the dosimeter on, determining the appropriate
mode of operation and programming of threshold levels
of audio alarm.
The DPC is implemented on the basis of special
processor and is used for control of the operating modes of
the dosimeter, control of the anode voltage former, digital
processing of pulse sequences from ionizing radiation
detector, signals generation, which control the LCD, as well
as indication of measurement modes symbols.
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