At the time of battery replacement the Fiobuoy’s o-rings can also be replaced, and your Fiobuoy is ready for deployment again. A Maintenance Kit includes everything you need. O-ring replacement is typically recommended every 12-24 months depending on inspection.
The system is not the traditional simple signalling system but full two-way confirmed-packet protocol enabling modem to modem type data communication.
Although unlikely, if this were to occur, the worst case scenario would see the rope merely slip between the next handles, remaining tethered and the jaws securely closed.