16 Water Management setup FieldLevel II Survey/Design
FieldLevel II Survey/Design
Benchmarks
Before you can create a survey, you must set a point at a known location called a benchmark. When
you create a benchmark, the GPSreceiver obtains and records location information from the base
station for that specific point in your field.
When you are leveling, you use benchmarks to:
l Return to a point in the field with known coordinates to re-calibrate your exact position. This
may include setting the bucket on the ground or on a solid surface that will not be disturbed
while you perform field leveling.
l Move the design up or down to match the field surface at that point.
The first benchmark you create on a field is the master benchmark and displays as an orange flag
labeled MB . Field coordinates are calculated from this point.
Subsequent benchmarks display as orange flags labeled with their corresponding number .
When you tap a button to create a benchmark, a countdown timer runs for 30 seconds and then
the system creates the benchmark. To stop the averaging during the countdown, tap Bench again.
Rebenching
If you plan to shift the location of the base station each time you use the survey data, you can
configure the system to force a re-bench. The system will not allow you to engage automatic control
until the system has been re-benched.
When you are within the circle around an existing benchmark, a message displays on the Run screen
telling you how close you are to that benchmark.
If you tap the Rebench button when the receiver is within the circular radius of a benchmark, the
receiver is calibrated over the existing benchmark.
When you re-bench, the system automatically selects the benchmark closest to you but allows you
to select the benchmark you want to use.
Settings
1. Activate FieldLevel Survey/Design for use. See Activate features/plugins for use (page 47).
2.
At the Configuration screen, select FieldLevel Survey/Design and tap Setup. The Survey Setup
screen displays.Complete the settings.
Version 9.25, Revision B FM-1000 Integrated Display User Guide 297
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