- indication when vibro alarm is on/off.
2.4.11 Partial or critical battery discharge indication mode
The dosimeter controls battery discharge once in 10 minutes.
In case of the battery partial discharge (approximately 1.1 V) the LCD will
indicate the flashing symbol "bat". The battery is to be replaced! (3.3) In case of the
battery critical discharge (approximately 0.9 V) the dosimeter will turn into the DE
measurement mode, the symbol "bat" will become solid, the dosimeter will stop the
measurements, LCD backlight and audible alarm will become locked. The battery is to be
replaced! (3.3)
Figure 2.1 – Select the РМ1621 (РМ1621А) dosimeter operating (indication) mode