When the Lighthouse Supervisor was made a public official a set of instructions for the service was worked out. He was not only liable to huge fines and dismissal if the blaze was neglected, he must also:
“... most Diligently be row’d out over the Sea at Night to the Lights in order to ascertain that everything is done properly and thus hold the Keepers in constant Fear of his arrival ...”
And if bad weather hindered him from leaving Selhovden Island he was to “use the cannon acquired at Royal expense”and mounted outside his dwelling so that he could signal the keepers that the blazes are scanty:
“...with certain shots for each Light, so that they can know which of them he wishes to signal, or if it concerns them both ...”