Optitrack: update supported software version

common/source/docs/common-optitrack.rst

@@ -39,13 +39,9 @@ Please refer to OptiTrack `quick start guides <https://v20.wiki.optitrack.com/in
 Required softwares
 ==================
 
-* `Motive 2 Tracker <https://optitrack.com/products/motive/tracker/>`__
+* `Motive 2 or 3 Tracker <https://optitrack.com/products/motive/tracker/>`__
 * `MAVProxy <https://github.com/ArduPilot/MAVProxy>`__
 
-.. note::
-
-   Motive 3 is not supported
-
 Prepare the drone
 =================
 
@@ -124,13 +120,14 @@ After all parameters is set, start sending pose to ardupilot:
 Ground testing
 ==============
 
-- Connect the drone to a ground station
+- Connect the drone to MAVProxy
 - Start Motive and make sure `data streaming <https://v20.wiki.optitrack.com/index.php?title=Data_Streaming>`__ is turned on.
-- If you see following message in ground station console (initial pos may vary), then the drone should be ready for flight test
+- load and start optitrack module.
+- If you see following message appearing (initial pos may vary), then the drone is receiving pose data from Optitrack system. 
 
-*EKF2 IMU0 is using external nav data
-EKF2 IMU0 initial pos NED = 0.1,-0.2,0.0 (m)
-EKF2 IMU0 ext nav yaw alignment complete*
+``EKF3 IMU0 is using external nav data
+EKF3 IMU0 initial pos NED = 0.1,-0.2,0.0 (m)
+EKF3 IMU0 ext nav yaw alignment complete``
 
 Flight testing
 ==============