Unknows rings on radar screen

[Jensotto]

Hi, i have 5 rings tightly together apporx. 2,3nm around my position on the radar screen. These are not vrm, but could look like it. Anyone know what these are and how to get rid of them?

 

[Johnny Electron]

What radar model are we talking about?

 

[Jensotto]

This is a RCU-014

 

[Johnny Electron]

RCU014 is a control unit that is part of a FAR2xx7 commercial radar system. Commercial products are not discussed on this consumer product forum. Please contact support of your local Furuno distributor for support of this product.