• Number of receivable satellites restricted by the inclined position of the tractor on the terrain.
• The system will not be able to work in regions where the OmniSTAR satellite is too close to the
horizon. This also applies for heavily undulating terrain, particularly in the case of (Northern) slopes,
possibly combined with other obstacles.
•
Use at higher latitudes (here it is better to set the waypoints on a North/South rather than on an East/
West axis).
• Reduced accuracy is also possible on slopes and on implements with a strong side pull.
• Reduced accuracy is possible where the load on the tractor's front axle is too high or too low.
• Reduced accuracy is possible with greasy, sandy or very uneven ground conditions.
• The range of the base station depends on the nature of the terrain and on the weather. Accuracy
decreases as the distance increases.
• The tractor is too far away from the base station.
• After an interruption in the power supply to the base station, there may be shifts in track after
restarting. It is possible to make a manual correction on the terminal.
3.1.8 Switch-off limits
The automatic steering system automatically switches off for the following functions or limits:
• The steering wheel is operated.
•
The accuracy indicator (bar indicator) shows fewer than three bars.
• Road speed is below 0.1 km/h or over 25 km/h.
• The angle between the driving line and the wayline exceeds 75°.
• The machine deviates from the wayline to the side:
- Lateral deviation more than 0.6 m on the HP or RTK version.
- Lateral deviation more than 1.2 m on the VBS version.
3. VarioGuide definitions and specifications
24 VarioGuide
438.020.070.012
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