High Pitch Tone

[TBMcCormick]

Anyone experiencing a high pitch tone (aside form prop noise) while indoors?

 

[armoredsaint]

sonar? motors? probably normal, i have it also.

 

[HowSR]

The controller has a fan too. A small one... making a high pitch noise.

 

[TBMcCormick]

Ahhh. I see said the blind man. Thanks.