GNSS Module Series
LG69T(AA,AD)_EVB_User_Guide 15 / 31
4
DR Application
LG69T (AA) supports Dead Reckoning (DR) function. This chapter outlines how to configure the DR
function. A valid module calibration is essential for utilizing its DR capabilities, see
Chapter 4.2
Fix the module on the vehicle frame. Any displacement, turn or tilt of the device, however small, will cause
performance issues and/or void calibration. The IMU axis direction inside the module is presented below
for your reference.
Z
X
Y
Figure 4: IMU Axis Direction
4.1.
Installation
Installation of LG69T (AA) EVB allows for flexibility, since it is not dependent on angle or direction. The
module can automatically identify the installation angle deviation and compensate for it through internal
algorithm calculations. The installation diagram is presented in the figure below: