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– Interval timer ................................................................................ 48
13.6.13 Reset settings to factory default .................................................... 54
15.2 Status message “Battery voltage is critical” .............................................. 57
15.3 Status message “Please calibrate 0.2°” .................................................... 57
15.4 Error message “Calibration is not OK” ...................................................... 58
15.5 Error message “Factory calibration has expired” ...................................... 58
16.1 Maintenance carried out by the user......................................................... 59