No owner or operator of a drive-in restaurant shall operate, or permit to be operated, any loud speakers, or make or permit to be made, any other loud noise, or permit any show or exhibit on the premises occupied by said drive-in restaurant; provided, however, the owner or operator of such restaurant may use a public address system solely for the purpose of giving instructions to employees on the premises or receiving orders or requests for service from customers, but the instructions, orders or requests so given shall not be loud enough to cause any noise or disturbance to persons not on the premises of such drive-in restaurant.
('68 Code, § 43.14) (Ord. 69-4190, passed 10-7-1969) Penalty, see § 93.99