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Oxford Technical Solutions
Figure 6. IMU co-ordinate frame and measurement origin
Table 20 lists the directions that the axes should point for zero heading, pitch and roll
outputs when the default mounting orientation is used.
Table 20. Direction of axes for zero heading, pitch and roll outputs
Axis Direction Vehicle axis
X North Forward
Y East Right
Z Down Down
Once installed, if the RT axes and the vehicle axes are not the same as those listed in
Table 20, they can be aligned by reconfiguring the RT for a different mounting
orientation using the NAVconfig software.