T40 Dual RTK Antennas Not Ready

How to fix dual RTK antennas not ready error in T40.

Causes: 

• The RTK compass for the RTK system does not properly boot up during power up.
• Bad/Damaged RTK Antenna
• Magnetic interference in the area
  • Check proximity to powerlines
  • Check proximity to large metal objects
• Spreading Tank Installed:
  • With the spreader installed it is best to allow the drone to power on fully prior to filling up the spreader tank with product.
    • Sometimes the product in the tank messes with the start up of RTK system

Resolutions:

• Verify all connections are secure
  • Check RTK antenna connection to RTK Coaxial cable in the rear of the drone
  • Check your RTK antenna connections to the RF board in the front of the drone
• Method 1
  • Select “Begin”
  • Select “settings” in top right 
  • Select “RTK”
  • Turn RTK source to “D-RTK Base Station”
  • Exit settings
  • Select “settings” in top right 
  • Select “RTK”
  • Turn RTK source to “None”
  • Exit settings
• Method 2
  • Try to rotate drone around 180 degrees 
  • Power off drone 
  • Power drone back on
• Method 3
  • Replace one or both of your RTK antennas on the drone
    • If problem persists replace the following in this order, RF Board, Cable Distribution Module, Avionics Module (Aerial Electronics Module), RTK Coaxial cable in frame.