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Unable to change language.
Symptoms:Even in settings you are unable to change the language. There may also be a red warning message indicating a problem with translations.Causes:The language translation files are missing.There was an issue with an earlier version of the installer softwa...
Error reading settings.
Symptoms:When starting T3RRA software an error message appears referencing a problem reading settings. There is an error in XML DocumentNormally the program will continue to load, but in severe circumstances the settings file error may cause the software to cr...
No GPS signal is being received from iGrade.
Symptoms: Tractor position icon not appearing on map-screens. ‘GPS info’ button in the bottom right of map-screens is red. In the ‘Settings’ window there are no characters streaming into the ‘Serial port raw data’ window in the ‘GPS Port Settings’ tab. S...
No GPS signal is being received when connected directly to a GPS receiver.
Symptom: The Tablet PC running T3RRA Software is connected directly to GPS but it is not receiving a GPS data stream.Cause:There are two potential causes of this problem.The GPS receiver is not properly configured to output data via serial.The cable between GP...
Baud rate is set correctly but messages from iGrade are still garbled.
Symptoms: Baud rates are set correctly on both T3RRA software and in iGrade. The T3RRA software is not receiving GPS and the GPS diagnostics window is showing an unintelligible data stream. Causes: The serial connection is not properly grounded. Pin 5 is...
Vertical Performance Issues (GPS drift).
Symptoms:Blade seems to drift throughout the day. When grading over an area of the field that is thought to be ‘finished’ the blade consistently begins to either cut or fill. For larger sudden jumps in elevation, see Sudden Vertical Shifts.Possible Cause:Using...
No GPS in T3RRA Cutta v1 when using dual scrapers in iGrade v1.
Symptoms: Customer is running dual scrapers on iGrade v1. GPS appears to be present in T3RRA Cutta if only one scraper is configured. Changing to dual scrapers in T3RRA Cutta causes GPS to be lost. Cause: iGrade had been set up in “Plane Control” for SC...
You are getting GPS data but the quality is not RTK.
Symptoms: When you open a COM port you clearly see that positional data is being received. However the GPS Info window is displaying a fix other than FixedRealTimeKinematic. Cause: You are connected to the wrong COM port. This is possible if your tablet...
GPS data stops and COM port number has changed.
Symptoms:The position stops updating and it is apparent that position data is no longer being received. When you open the ‘GPS Info’ window it is apparent that the COM port has changed to a different port from normal. The regular port may or may not be there. ...
You have bench mark locations but they are not in Latitude and Longitude.
Symptoms: If you are attempting to calibrate your GPS against a design and you have known bench mark locations you can use the “Enter a known location” option to achieve this. However you may find that your bench mark values do not match any of the formats re...
GPS issues with Windows 11
Issue:T3RRA having GPS inconsistently operating after updating to Windows 11Cause: Out of date COM drivers/ incompatible drivers with Windows 11Solution:update USB-RS232 drivers on tablet to restore GPS connection.
Sudden Vertical Shifts/Jumps
Symptoms:The elevations may suddenly and randomly jump (0.3 to 4m / 1 to 10ft), requiring going back and re-zeroing. This occurs at various times (minute to hours apart), but not predictably. RTK fix is sometimes dropped, but regained in 1-3 seconds, however, ...
Collected survey data is blue and red only.
Symptoms:Normally collected survey data is colored with a spectrum of red (low) through green through blue (high). In this instance there appears to only be two colors: red and blue.Causes:T3RRA software fits a red-green-blue spectrum of color to the survey po...
Elevation Offset during surveying.
Symptoms: Recorded elevation data collected while surveying is offset and not in the correct location. Possible Cause: StarFire Receiver needs calibrated. Solutions: Calibrate receiver’s TCM (refer to John Deere SF OM) Re-Survey IMPORTANT: V...
Drain Survey mode performed in error.
Symptoms: Drain line is present in the elevation data path. Possible cause: T3C user has recorded in Drain survey mode instead of Field survey mode as intended. Drain lines are in a swath pattern across the field. Solutions: If a user does not wish to...
Elevation points not appearing correctly or with voids.
Symptoms: When you survey a field or drain and the elevation points are faint with black lines through them causing the survey to appear incorrect or with void like spaces. Your drain profile view shows incorrect names associated with the drain selected. ...
Surveying at heights close to sea level results in an incorrect field surface.
Symptoms:The collected field elevation map (in T3RRA software) appears vastly different from your expectation of what the actual field looks like. You are surveying a field where elevations can be both negative and positive (i.e., partially above and partially...
Levees are jumbled and crossing over.
Symptoms: When you create levees in T3RRA Cutta, Ditch or Levee, the levee lines seem very ‘messy’. There are frequent line endings and levee paths sometimes appear to cross over each other Cause: The levees are spaced very closely. T3RRA software uses a...