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Restoring factory calibration
1. Press and hold down the button.
The display shows “reSt”.
2. Press
.
The procedure has been completed.
Other functions
Selecting the time format
− Briey press the key .
If the display shows “AM” or “PM”, the 12-hour
format is set.
Illuminating the display
The display remains continually lit
when powered via USB.
− Briey press the sensor eld
to turn on
the display light for approx. 8 seconds.