Good afternoon Rossland,
Thank you for your inquiry. Unfortunately I am not aware of a way to minimize your own boat AIS icon on your screen. The NavNet Vx2 is really just listening for the AIS data to come from the source which would be the Sitex AIS unit. That would be the place to check, the unit is somehow broadcasting its own information and receiving its own information. I would think that it would have some sort of filter in place to alleviate that. You may want to check with them and report back.
Kind Regards,
C-Bass