ECOTEST DKG-21 Operating Manual page 32

- open the battery compartment and insert the storage battery of LIR2450
type observing the polarity. The dosimeter should turn on and conduct a 2-
second self-testing of the dLCD and the loudspeaker.
During the self-test, the dLCD illumination should be switched on and all
its segments should be highlighted, a single-tone sound signal should be
generated, and a red LED should be illuminated. The absence of any of these
actions indicates a malfunction of the dosimeter.
Upon completion of the dLCD self-testing the dosimeter switches to the
mode of DER measurement indicated by "µSv/h" measurement units, which
are constantly displayed on the dLCD.
4.2.4.2 Press shortly the MODE button and make sure the dosimeter has
entered the mode of DE indication. DE units of measurement expressed in
"mSv" should appear on the dLCD.
4.2.4.3 Press shortly the MODE button and make sure the dosimeter has
entered the mode of real time indication, which is shown by a one-second
blinking colon between the two pairs of dLCD digits.
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