7. If the sampling time selected is 10 seconds: press the start/stop button once to begin
the measurement. The measurement will stop after 10 seconds, or if the start/stop
button is pressed again:
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8. If the sampling time selected is 30 seconds: press the start/stop button once to begin
the measurement. The measurement will stop after 30 seconds, or if the start/ stop
button is pressed again:
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9. To enable/disable the backlit, press the key displaying the light symbol during 1.5
seconds. The backlit will stop automatically after 60 seconds.
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