(a) Electronic message centers.
(1) Electronic Message Centers may not exceed seventy-five (75) percent of the total allowable sign copy area (not sign face) on any sign.
(2) Electronic Message centers shall be allowed subject to the following:
A. In Business Use Areas (as defined by § 19-55), Electronic Message Centers shall display static images for a period, of at least three (3) seconds before transitioning to another static image. The use of frame effects is permitted. Flashing and animation are prohibited.
B. Electronic Message Centers shall not be permitted in Residential Use Areas (as defined by § 19-55) except for when installed on non-residential use signs in Residential Use Areas. Any Electronic Message Center on a sign for a non-residential use in a Residential Use Area shall display static images for a period of at least five (5) seconds before instantaneously transitioning to another static image. Animation, flashing and frame effects are prohibited.
C. All electronic message centers shall come equipped with automatic dimming technology which automatically adjusts the sign’s brightness in direct correlation with ambient light conditions.
D. No electronic message center shall exceed a brightness level of 0.3 foot candles above ambient light as measured using a foot candle (Lux) meter at a preset distance depending on sign area, measured as follows in the table in § 19-52.
(b) Analog message center.
1. Analog Message Centers shall be allowed subject to the following:
A. Analog Message Centers may not exceed forty (40) percent of the total allowable sign copy area (not sign face) on any sign.
B. Analog Message Centers must be internally illuminated and no analog message center shall exceed a brightness level of 0.3 foot candles above ambient light as measured using a foot candle (Lux) meter at a preset distance depending on sign area, measured as in the table in § 19-52.
C. Analog Message Centers may utilize manual or remote input either electronically or mechanically activated to change the sign content.
(Ord. 4926, passed 8-15-2017)