Over the years Practical Sailor has done many articles analyzing VHF radios, chart plotters, etc. This article will discuss how to get various brands of electronics that use different communication protocols to work together seamlessly. It is proven to work on my 39-year-old personal boat and parts of this process has been used on boats I have delivered for my customers.
If your sailing partner complains about a noise that doesn't really bother you, it might not necessarily something that they can just "get used to." You will have to address it through active sound reduction measures.