Spirit CT850 Owner's Manual page 39

Calibration Procedure
1. Remove the safety key
2. Press and hold down the Start and Fast + buttons and replace the safety key. Continue to hold the Start and Fast key
until the window displays "Factory settings", then press the Enter key.
3. You will now be able to set the display to show Metric or English settings (Miles vs. Kilometers). To do this, press the up
or down key to show which you want, then press Enter.
4. Make sure the wheel size diameter is 2.98 then press Enter
5. Adjust the minimum speed (if needed) to 0.5 and then press Enter
6. Adjust the maximum speed (if needed) to 12.0 and then press Enter
7. Adjust the maximum elevation (if needed) to 15 and then press Enter
8. Grade return – On (This allows the incline to return to zero when Stop is pressed. For sale in Europe, EU standards
require this to be off)
9. Press Start to begin calibration. The process is automatic; the speed will start up without warning, so do not stand on
the belt.
Adjusting The Speed Sensor
If the calibration does not pass you may need to check the speed sensor alignment.
1. Remove the motor cover hood by loosening the 8 screws that hold it in place. Set it aside.
2. The speed sensor is located on the left side of the frame, right next to the front roller pulley
(the pulley will have a belt around it that also goes to the motor). The speed sensor is a small
rectangular shaped black box with a wire connected to it.
3. You will see a magnet on the outside edge of the pulley; make sure the speed sensor is aligned
with the center of the magnet when it passes by. There are two a screws that hold the sensor in
place that need to be loosened to adjust the sensor. Re-tighten the screws when finished.
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