ECOTEST MKS-05 TERRA Operating Manual page 4

This operating manual (hereinafter called the OM) is intended to inform the user about
the theory of operation and rules of application of the MKS-05 "TERRA" dosimeter-
radiometer. The manual contains all information necessary for proper use of the dosimeter and
full realization of its technical possibilities.
The manual contains the following abbreviations and symbols:
DE
DER
MODE
THRESHOLD
backlight switching-on.
- ambient dose equivalent;
- ambient dose equivalent rate;
- on/off button and switch between the corresponding modes of
measurement and indication (gamma radiation DER, gamma radiation DE,
surface beta-particles flux density, DE accumulation time, and real time);
- button of threshold level programming, time indication correction and
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