ECOTEST MKS-05 TERRA Operating Manual page 22

2.2.3 Guidelines on switching on and testing the dosimeter
2.2.3.1 Prepare the dosimeter for operation by doing the following:
- unpack the dosimeter;
- open the battery compartment and insert two batteries of AAA type, observing the polarity.
2.2.3.2 Press shortly the MODE button to switch the dosimeter on. The dosimeter should
enter the mode of photon-ionizing radiation DER measurement, which is shown by the
blinking light-emitting diode opposite the appropriate mnemonic symbol below the LCD, and
by audio signals following the detection of every gamma quantum.
2.2.3.3 Press shortly the MODE button and make sure the dosimeter has entered the mode
of operator's DE indication, which is shown by the second blinking light-emitting diode below
the LCD opposite the appropriate mnemonic symbol.
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