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TRAX User Manual Page 16

Table 5-2: 12 Point Full-Range Calibration Pattern

Sample #

Yaw

Pitch

Roll

First Circle

0°

±5°

30° to 40°

90°

±5°

-30° to -40°

180°

±5°

30° to 40°

270°

±5°

-30° to -40°

Second Circle

30°

> +45°

30° to 40°

120°

> +45°

-30° to -40°

210°

> +45°

30° to 40°

300°

> +45°

-30° to -40°

Third Circle

60°

< -45°

30° to 40°

150°

< -45°

-30° to -40°

240°

< -45°

30° to 40°

330°

< -45°

-30° to -40°

Footnote:

1. Yaw listings are not absolute heading directions but rather relative heading

referenced to the first sample.

5.1.2 2D Calibration

A 2D Calibration is intended for very low tilt operation (<5°) where calibrating the

TRAX with greater tilt is not practical.

This procedure calibrates for hard and soft-iron effects in only two dimensions, and in

general is effective for operation and calibration in the tilt range of -5° to +5°. The

recommended 12 point calibration pattern is a circle of evenly spaced points, as given in

Table 5-3.

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 61 62

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