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TCM Calibration
PC11066—UN—29FEB08
TCM Calibration
A—Implement with one main axle B—Implement with carrying
wheels at the front and rear
One of the most important steps in making iGuide function
at its peak performance is the TCM Calibration for both
the machine and implement. If the TCM calibration is
not performed correctly then a bias could occur in the
machine, implement or both. A bias is when the machine
AutoTracs down and back on the same path and the wheel
tracks do not line up. This can be caused by a poor TCM
calibration or the receiver is not centered on the machine.
A bias can be fixed by either recalibrating the TCM or
entering a machine or implement GPS lateral offset.
NOTE: When checking for bias, turn iGuide to “none”
and use AutoTrac to check the machine bias.
If you need to check implement bias, use
iGuide. Use Straight track only.
NOTE: When performing a TCM calibration on the
implement receiver, the wheels of the main
frame need to be in the same location after
turning implement around so that the righthand
wheels are in the same place as where the
lefthand wheels were.
NOTE: A TCM calibration should be performed
each time the receiver is moved to a different
implement or vehicle.
Tips for a good TCM calibration:
•
Let the receiver warm up for 10—15 minutes, especially
if the air temperature is cold.
•
Calibrate on a flat surface.
•
Make sure the machine or implement are level with
respect to the ground by having proper tire inflation,
correct ballasting, and the same tire sizes.
•
Follow diagram example for proper rotation of
implement during the calibration process.
For more information refer to your StarFire iTC users
manual.
1515
102110
PN=28