Citation please of which post you are referring to.
How about this one? Do you believe what this member posts?
The Estonian service electricians inspected the buoys' activities about a week before the accident and by then those had been operating normally. Those Kannad 406-F (=free-floating) were tested as follows: the buoy's "cage" was carefully opened and the buoy was raised. When the indicator light started flashing, the cap was opened and the switch was turned to the OFF position. In that case, the signal would not yet have emitted. At the time there was no test button.
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