7 Customer repair shop calibrations
In case the calibration values are lost, due to component change in a repair shop, customer can apply a
dedicated procedure, where no specific setup (targets) are needed.
The calibration is composed of three steps:
1. RefSpad
2. Crosstalk
3. Offset calibrations
RefSpad and Xtalk are the same as described in Section 6.1 RefSPAD calibration and Section 6.2 Crosstalk
calibration.
A dedicated function is available to perform offset calibration: VL53LX_PerformOffsetZeroDistanceCalibration.
A target has to be set in front of the device, touching the cover glass. The target can be a simple sheet of paper
(with no particular need for the paper reflectance).
The above function has to be called and the results can be retrieved similarly to the process described in the
previous sections.
UM2778
Customer repair shop calibrations
UM2778 - Rev 1
page 19/25
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