ECOTEST STORA-ABG RKS-01 Operating Manual page 108

The LCD of the radiometer displays the measurement object number and the time of
measurement along with each measurement result.
To exit the mode of measurement results viewing stored in the nonvolatile
memory, press and hold THRESHOLD button (circa 6 seconds) until the
radiometer enters the mode of photon-ionizing radiation DER measurement.
To clear measurement results stored in the nonvolatile memory, simultaneously
press and hold MODE and THRESHOLD buttons until "CLr" and "Arch" symbols
appear on the LCD of the radiometer (Figure 2.22).
To cancel clearing, shortly press THRESHOLD button or do not press the
buttons during 30 s (the radiometer will automatically enter the mode of
measurement results viewing stored in the nonvolatile memory).
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