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A blinking red LED and a two-tone audible alarm
show that the programmed DER threshold level has
been exceeded.
To inform the user that the DE threshold level is
likely to be quickly reached, the dosimeter sends an
interrupted audio signal when 90 % of the programmed
threshold level is achieved. Press any button to switch
this audio alarm off.
Important! If the process of the new threshold level
programming is paused for more than 30 seconds
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