Denso BHT-1260BWB-CE User Manual page 104

BHT-1200 Series
The popup message is displayed when the recalibration is successfully
completed.
The popup error message is displayed if the recalibration failed,
in this case, retry.
When the number of calibration reaches the limit, zero is displayed
as the remaining calibration times.
Calibration is not possible once the calibration counter reaches
down to zero.
The popup error message is displayed if the "Recalibrate" button is
tapped in this state.
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