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1.2.5.3 The programmed values of the threshold levels are saved in the
nonvolatile memory of the radiometer, and are not changed when the radiometer is
turned on/off or the batteries are replaced.
1.2.6 The radiometer provides light and audio alarm about the programmed
threshold levels exceeding: a two-tone audio signal and a blinking red LED
"ALARM".
1.2.6.1 The radiometer also provides visual alarm of the exceeded threshold
levels in the form of a measurement result that blinks on the LCD, and periodic and
gradual highlighting (from left to right) of the sound symbol segments (4) according
to Figure 3.
1.2.7 The radiometer sends a short one-tone audio signal if gamma quantum or
beta-particle gets to the detector.
1.2.8 The radiometer stores up to 1200 measurement results of photon-ionizing
radiation DER or surface beta-particles flux density in its nonvolatile memory. For
more convenient identification every measurement result is stored along with a
three-digit number of measurement object, as well as with time and date of
measurement. Time and date of measurement is received from the radiometer's
clock, while the object number is entered by the user during saving.
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