Individual parking meters shall be installed upon the curb or sidewalk or area immediately adjacent to each parking space in a parking meter zone. Each meter shall be placed in such manner as to show or display by sign or signal that the parking space adjacent thereto is or is not legally in use. Multi-space parking meters shall be located within the zone regulated and indicated by appropriate parking control devices. (Ord. 3138 § 3, 2009; Ord. 2670 § 1, 1996; Ord. 973 § 1, 1966; prior code § 19.17.2(A)).