I was informed recently that whenever one of the operators keys a microphone on his radio that the camera monitors in the operating pulpit blacks out. We have three monitors that display various locations of one of our operations. Monitors are labeled "A","B","C", from left to right. All the ethernet, HDMI, and electrical connections are tight. The problem only occurs on one monitor unless I turn it off. Then it moves to the next one, and it doesn't happen to any monitors not connected to the camera server. The server itself resides downstairs so there is a concrete slab floor between it and the operating pulpit. Any ideas what I need to fix this problem?