A reader contributed this to my “InExOb” collection.
First of all, the quotes should be on the onomatopoeia. Secondly, what was the need of this? Do they have something else that might be mistaken for the alarm? If so, why?
Tangent: this reminds me of the time I stayed at a hotel in Ohio. They posted the relevant except from the laws of the state about hotels, which clearly hadn’t been updated in a century or so because they contained a reference to the “ladies waiting room”.