Most of the Maxsea TZ software
have option for furuno black box sounders, the Navigator version of maxsea doesn't have the option for black box sounder.
There is no need for a Furuno MFD. Connecting it to the computer with ethernet network cable.
Sounder module have to be unlocked, this is embedded in the software, have to buy unlock code for this.
Only SportFishing and Plot have PBG (personal bathymetry generator) which gives you the opportunity to record
depths and draw the bottom as you go