04-24-19, 07:42 AM
Hi, I bought a boat with a a57D which is great. however it was purchased in 2006 and i wonder if i should upgrade the software ? it has never been done. i look at the raymarine site and there are many updates and i am not sure how i make sure to get all of the right ones and not just a few and screw the unit up. also is there a way to do this at home since my boat is still away for winter (live in cold Boston) ? i cannot figure out how i would power it on... so probably not. thanks for the help folks !