“Parking meter” means and includes any mechanical devise or meter placed or erected for the regulation of parking by authority of this title. Each parking meter installed shall indicate by proper legend the parking time established by the city, if any, and, when operated, shall at all times, unless our of order, indicated the balance of parking time or time when the paid for parking time is ended, and at the expiration of such period shall indicate illegal or overtime parking.

For the purposes of this title, a parking pay station shall have the same meaning as a parking meter.