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If you keep holding the THRESHOLD button, then during the next
two seconds the dosimeter will proceed to the submode of new values
programming of alarm threshold level and specified statistical error, and
switching on/off audio signaling of registered gamma-quanta and beta-
particles (Figure 18). A stripe (1) "moving" across the instantaneous value
indicator and blinking of the low-order digit (2) of a new threshold level
serve as an indication of this submode.
Operation with the dosimeter in this submode fully complies with the
operation in a similar submode of the photon-ionizing radiation DER
measurement mode.
To save the measurement result of surface beta-particles flux density
in the nonvolatile memory, press and hold the THRESHOLD button in the
measurement mode until the "Arch" symbols are displayed on the LCD
(Figure 16). Then release the THRESHOLD button.
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