Bendix Commercial Vehicle Systems VORAD VS-400 INSTALLATION NOTES - Manual (Page 42)

General Information
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Appendix 3 continued
Fine-Tuning the Horizontal Alignment
If the alignment function in the diagnostic software continuously shows an azimuth value greater than 0.5° or less than -0.5°, then the FLR
needs to be physically adjusted in the horizontal direction beyond that already completed .
Center FLR Azimuth Position (FLR aligned correctly)
If the alignment function consistently shows an azimuth value of 0° +/- 0.5° when tracking a vehicle in the same lane, then the FLR is
properly centered . In this case, the FLR does not need to be further aligned and the procedure is complete .