How to link the D RTK 2 Mobile Station with DJI Agras T40 Sprayer Drone

How to link the DJI D RTK 2 Mobile Station with DJI Agras T40 Sprayer Drone. To turn on the D-RTK 2 Mobile Station, you will need to press and hold the power button (the button in the middle) for about 3 seconds until the red light is on. Both DJI Agras T40 and Mavic 3 M can connect to the D-RTK 2 Mobile station when the DRTK 2 is set on Mode 5. The mode button is the one on the right, and the number of times the light under this button blinks indicates the mode.