We replaced the original 'top-hat' years ago and placement was dictated by the length of wires supplied. KVH didn't like you cutting or splicing, not sure why. Ours ended up on the starboard shelf, behind the smoked glass just forward of the icebox with the controls on the shelf aft of the panel.
A mast-mounted display is much better than bulkhead. We have both and 95% of the time that's the one skipper and crew watch.
