Electronic message display signs shall be restricted to the following requirements when located in the C-1, A-C and A-I zones:
A. Electronic message display signs must have an automatic dimmer to reduce sign intensity after dark.
B. Hours of operation for an electronic message display sign are from six o'clock (6:00) A.M. to ten o'clock (10:00) P.M. only.
C. A message shall not be displayed by means of flashing or rapid blinking except when changing to a different message. Each individual message shall remain for a minimum of three (3) seconds.
D. The sign shall not cause glare or be intensely lighted at dark so that it creates a nuisance or hazard to vehicle traffic, pedestrians or neighboring residential properties.
E. In the A-I and A-C zones the signs shall not be perpendicular to runways or create conflicts with the safe operation of the airport.
(Ord. 2005-68, 12-6-2005; amd. Ord. 2006-20, 4-25-2006)