Originally Posted by Polwart
I agree a panic button is attractive - but presumably that is already possible with this system its just a case of rewiring one of the alarm circuits to a switch.
The hatch alarm is going to be less use on an open boat (though it could still be handy for the main locker), so that would lend itself to becoming a panic switch.
Perhaps the system could be tweaked to allow custom names for the alarm types?
As for numbers I think choosing the recipients carefully is the key.