Sonar MB1240 is unable in the Pixhawk 4 operations

Pixhawk
1

I use original Pixhawk4 at present, the firmware edition am 3.6.10, uses the Sonar is MB1240 carries on the connection by I2C A port , and makes the hypothesis according to the official method, changes RNGFND_MAX_CM = “700” and RNGFND_TYPE = “2” two parameters in Mission Planner, but the sonarange value still is 0, ask whether I do have the omission important step? Please help me, thanks you.

Reference article: http://ardupilot.org/copter/docs/common-rangefinder-maxbotixi2c.html

2

You’ll need to ask on discuss.ardupilot.org for assistance with ArduPilot