A. The basic unit of parking time on the parking meters shall be twelve minutes, which shall be secured by the deposit of one cent in the parking meter adjacent to said parking space; and each additional unit of twelve minutes parking time shall be secured by the deposit of an additional coin of one cent.
B. In designated one-hour parking meters, it shall be lawful to secure the maximum parking period by depositing five one-cent coins or one five-cent coin.
C. In designated two-hour parking meters, it shall be lawful to secure the maximum parking period by depositing ten one-cent coins or two five-cent coins, or five one-cent coins and one five-cent coin.
D. The basic unit of parking time on off-street parking meters shall be one-half hour, which parking time shall be secured by the deposit of one five-cent coin in the parking meter adjacent to said parking space, and each additional unit of one hour or one-half hour parking time, as the case may be, shall be secured by the deposit of an additional five-cent coin.
E. No person shall park any vehicle in any parking space, except as otherwise permitted by this chapter, without immediately depositing in the parking meter adjacent to said space such lawful coin or coins of the United States as are required by such meter and as designated by directions on the meter, setting in operation the timing mechanism thereof in accordance with said directions, unless said parking meter indicates at the time such vehicle is parked that an unexpired portion remains of the period for which a coin or coins have been previously deposited; provided, however, that the standing or parking of a vehicle in any parking meter space beyond the maximum legal parking time shall constitute a violation of this chapter, regardless of the number or denominations of coins deposited.
F. Said parking meters shall be operated in said parking meter zones every day between the hours of eight a.m. and six p.m., except holidays, or as may be determined by the city manager.