Here's another answer, presented FYI, I deny any responsibility if the AIS police come after you.
You can try and see. It is done with a PC. Installers as well some tech inclined owners program them up here and I have a hunch you can too. Download and install the ProAis2 software
, here is a source:
This is the standard software
for programming Class B AIS units and I believe it works with all models. Connect the unit via USB, I can't remember for sure, but think it needs to be powered on. Launch the software and establish the connection to the AIS. The software is pretty straightforward, and there should be a user manual in the download.
Several tabs are there with settings and diagnostic info. Look at the MMSI entry first - if it is blank you should be able to set it. Once it is set, only authorized service
can clear it. If they put zeros or something in there then it will be locked. If you find you can enter it, be sure it is right when you confirm it! There are then settings for your boat
details, and once it has begun transmitting there will be antenna