Using the Rabbit Box to have an accurate measurement of the references is essential, but in addition to the measurement, the Rabbit Box control has special functions in the Roadbook Designer, they are:
- +10 – Add Reference
- -10 – Add CP
- Yellow – Opens the Edit screen of the next reference.
In the reference edit screen, the Yellow button does the same function of updating the reference distance, with the distance from the odometer. This function also updates the GPS coordinate of the reference automatically.