Sonar making clocking sound

[kona]

As I have a mild suspicion that my Mavic is a lemon (see this thread about my tilted horizon issue: Tilted horizon issue: tests with(out)gimbal cover) I was wondering if it's normal if the front sonar sensor emits a rapid clicking sound which can be best hear while the props are off and the drone is on? I localized the sound by holding my finger over the sensor and reducing the volume. The rear sonar sensor just behind it doesn't emit any sound. Same with you?

 

[polar_phantom]

That's normal.

 

[kona]

That's normal.

Thanks. Is it also normal that only the front one makes the clicking sound?

 

[polar_phantom]

I haven't check mine, but I think that is the case.

Please see:
Ultrasonic Sensor | What is an Ultrasonic Sensor?

 

[flyNfrank]

Thanks. Is it also normal that only the front one makes the clicking sound?

Yeah it's normal. The firmware took care of the tilted horizon as well.

 

[erkme73]

Front transmits, rear receives. Completely normal. On the upside, the fact that you can hear it means you must be younger, and your hearing hasn't degraded (yet).

 

[kona]

Yeah it's normal. The firmware took care of the tilted horizon as well.

Which firmware took care of which tilted horizon issue? The one where it's chronically tilted or the one where it's delayed in adjusting during roll?