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Fieldview mapping accuracy on Gleaner?
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Posted 10/10/2017 22:59 (#6300609 - in reply to #6296773)
Subject: RE: Fieldview mapping accuracy on Gleaner?

Illinois / Wisconsin
The Trimble CFX / FM-750 can only use the internal receiver and export NMEA from Port A or B (Pins 3,4 of each, I believe). The 162 receiver will work as a standalone receiver, but will require programming with a computer with Ag Remote software installed and an unmodified Power/Data cable.

All of these receivers should be sending the same information across to the display. The differential correction (from WAAS/SBAS Source) is calculated by the receiver. I'm not familiar with the specifications of the receiver used here, but if it cannot calculate a differential correction, it could default to autonomous and have a drift like this. (Speculation, unknown what is happening to the receiver). This correction option may also be a setting within the receiver itself. For troubleshooting, it may be a good idea to hook into the receiver and check the correction configuration of the receiver and verify it is configured to use WAAS instead of just GPS/autonomous.

Best bet for testing with minimal cost:
Get a Power/Data cable from a CNH dealer or Trimble reseller and moving Deutsch pins 2,3 to 3,4 and configuring NMEA output of the trimble display you already have. (Note: Each display has a specific type of NMEA messages it is looking for. As long as the ones it is looking for are delivered at the correct baud rate and frequency a GPS location should be established).
Connect the modified power/data cable to the port configured for NMEA output and plug it into the serial connector of the AGCO display.

Edited by AustinR 10/10/2017 23:02
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