EVK-M8U User Guide
UBX-15023994 - R01
Advance Information
Setting up
Page 14 of 26
Figure 6: Screenshot of u-center showing the sensor calibration as CALIBRATED
4.3
Accelerated initialization and calibration procedure
This section describes how to perform fast initialization and calibration of the UDR receiver for the purpose of
evaluation.
The duration of the initialization phase mostly depends on the quality of the GNSS signals and the dynamics
encountered by the vehicle. An open and flat area, such as an empty open-sky parking area, provides good
conditions. The initialization and calibration drive should contain phases where the car is stopped during a few
minutes (with engine turned-on), phases where the car is doing normal left and right turns, and phases where
speed is above 30 km/h under good GNSS reception conditions.
Note that the calibration status of some used sensors might fall back to CALIBRATING if the receiver is
operated in challenging conditions. In such a case, fused navigation solution uncertainty increases until
optimal conditions are observed again for re-calibrating the sensors.
For more information, see
u-blox 8 / M8 Receiver Description including Protocol Specification
[3].
