The automatic fog control siren is the sound signal equipment of ship. When ship sails in fog, it has bad sight. To avoid collision and ensure safe sailing, ship must raise fog signal. This fog siren can raise both audible signal and light signal specified in the Convention on the International Regulation for Preventing Collisions at Sea, 1972. In fog, the labor strength can be reduced by it. This fog siren can electrically and manually raise siren of any rhythm and light signal.
This system is composed of automatic fog siren controller (embedded mounting) and electric siren.