It is how it is by marine electronics
. Raimarine is well the champion in tricks and confusion advertisments. The others are not better and tray to trick you also in a lot of ways.
Exampel: My Simrad
Nss 7 gif me after updates still just simpel big black and with ais
simbols on the chart.
compactibel means not nmea 2000
compactibel by Raymarine, ...
have well nice products and make also good and free updates and for Questions can you phone
the office and there is allways a good technical answer.
I use open cpn
insite on a normal screen
and it is connected with a waterproof tutch screen
outside. It follow the new trends and the new stuff on the computer market is small and schokproof. I am now free to use the free updated charts from a lot of countries wit sat overlays, place marks on it wit a hole crusingite in it, ... .