User manual

* The short cycle of observation is equal to 10 s and made for
prompting the deriving of preliminary results. The first reliable
result is displayed after 40 seconds of observation and
designated by the icon « » .
The icon « » in the form of side of a square
designates the number of executed observations:
- equal to four cycles of monitoring (160 s of
observations).
- equal to two cycles of monitoring (80 s of
observations);
- equal to three cycles of monitoring (120 s of
observations);
- equal to four cycles of monitoring (160 s of
observations).
The first result of observation is displayed as an average
value of four short cycles, the second - as average value of the
two cycles of observation, the third - as average value of three
cycles of observation and further each following result - it's
average value of four previous observations.
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