CHAPTER 5
80 SmarTrax™ MD Calibration & Operation Manual
FIGURE 11. Wheel Base Configuration Screen
2. Enter the Wheel Base measurement using the on-screen keypad.
3. Select Next.
4. To determine the GPS Antenna Position, measure the distance from the antenna to center of the rear axle.
FIGURE 12. Antenna Position Configuration Screen
5. Enter the Antenna Position measurement.
IMPORTANT: If the antenna is in front of the rear axle, the number entered must be positive. If the antenna is behind the
rear axle, the number must be entered as negative using a “ - “ before the number. For example, if the
antenna is located 3 feet behind the rear axle, the value would be entered as -3. Raven Industries
recommends mounting the antenna in front or even with the rear axle.
6. Select Next.
7. To determine the Antenna Height, measure the from the ground to 4” above the base of the antenna.