ECOTEST STORA-TU RKS-01 Operating Manual page 34

2.3.3.2 Switching the radiometer on/off
Press shortly the MODE button to switch the radiometer on. A short audio
signal and symbols displayed on the LCD show that the radiometer is on.
Press the MODE button once again and hold it pressed for circa six seconds to
switch the radiometer off.
2.3.3.3 General algorithm of the radiometer operation control
The radiometer's operation is controlled in the following way.
After the radiometer is switched on, it enters the mode of photon-ionizing
radiation DER measurement, which is shown by "γ" symbol and "µSv/h" dimension
of the measured quantity. Each short press of the MODE button switches the
radiometer from one mode to another in the following order:
- the mode of photon-ionizing radiation DER measurement (it is set as the first
one when the radiometer is switched on);
- the mode surface beta-particles flux density measurement;
- the mode of clock;
- the mode of alarm clock;
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