S3 User Guide 40 PN 875-0196-000 Rev C1
Chapter 3: Basic Operation
Setting A-B Points While in Contour Mode
1. While in Contour mode, position the vehicle at the beginning of the first
pass.
2. Touch the Straight Guidance control button. The
Straight Guidance window appears.
3. Touch the Set A button to mark Point A.
4. Drive the first pass. The Set A button changes to the Set B
button.
5. At the end of the pass, touch the Set B button to mark
Point B.
6. Continue making passes in Straight Guidance mode or
switch back to Contour mode by touching the Contour
Guidance control button again.
Contour Lock
When using contour guidance, S3
constantly searches for the nearest
swath from which to provide
guidance. Contour Lock™ enables
you to stop the S3’s search for the
closest swath. In the Contour Lock
mode, guidance:
• Remains locked on its
current swath until you
manually unlock it
• Automatically unlocks if
you drive offline by 2 m
(or 10% of the swath
width) and begins
searching for the closest swath again
Contour Lock is helpful when you use guidance in close proximity to multiple swaths,
such as when working with “point-rows”. In these situations without Contour Lock, S3
guidance could jump around and guide you off on the wrong path whenever other
swaths come close to your current one. With Contour Lock, you can decide if you want
to stay on the current swath all the way until the end of the field or let the S3 continue
searching for the closest swath.
Note: When not in Contour Lock mode, the S3, when searching for the closest path,
only picks up a different path if it is at a small angle to the path you are on. For
example, if you cross a path at right angles, the S3 will not ‘find’ the crossed path and
switch guidance to it. Only paths at a small angle (close to parallel) to the path you are
on may be selected. The Contour Lock feature prevents this.
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