Racelogic VBOX 3iSL User Manual page 35

VBOX 3iSL User Guide
9. Next click on the GPS button. Under the Kalman Filter section check the „Use IMU‟ box.
10. The VBOX 3iSL will now use the inertial data transmitted by the connected IMU and integrate it with the
GPS data to generate filtered and smoothed data speed, heading and position data.
NB: If no IMU is currently connected, the data logged by the VBOX 3i will be the raw unfiltered GPS
data. If however an IMU is connected after the VBOX 3i has begun to log data the file will contain a mix
of unfiltered and filtered data.
01/12/2011
11. Once the VBOX 3iSL has been set up to use the IMU data it will automatically log to CF card the
Speed Quality, IMU Kalman Filter Status and IMU channels.
These channels allow Racelogic to troubleshoot any problems that may be encountered with the
Kalman filter generated data and cannot be switched off.
If the IMU channels need to be made available for viewing live in VBOX Tools click on the „Check All‟
button under „Send over serial‟.
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