Testboy 90 Mode D'emploi page 20

Operation
To switch the instrument on, press the
Power button (1) for approx. 2 seconds
in a neutral environment
Once the green LED is permanently lit,
the instrument is ready for operation.
This takes less than 1 minute.
After approx. 3 minutes, the instrument
switches off automatically.
Flawless measurement can only be
guaranteed at conditions within the
15 °C to 40 °C temperature range and
below 90 % humidity.
Press the Power button again to
switch off the instrument.
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Testboy 90