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4.2. Calibration Procedure
This chapter details the calibration steps of LG69T (AA) EVB. Before calibration, it is necessary to confirm
the EVB installation angle. The calibration procedure is based on the premise that the user has fixed the
EVB on the car frame. No displacement or rotation of the EVB should occur after calibration, as described
in the following chapters.
The calibration procedure needs to be repeated only in the following cases:
The EVB has been moved and reinstalled.
⚫
⚫
During a DR cold start and when the NVM is blank or invalid.
⚫
NOTE
Please strictly follow the steps in Chapter 4.2.1 to complete the angle calibration procedure, because any
improper handling may affect the calibration.
LG69T(AA,AD)_EVB_User_Guide
The car wheeltick
access port
Wheeltick input
Power supply and get data
Figure 5: Installation Diagram
RF input
EVB must be fixed
on the car frame
GNSS Module Series
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