The exemptions set forth at subsection (2), above, shall apply to digital display accessory wall signs that comply with the following:
(a) The top edge of the sign shall be no higher than 50 ft. above street level.
(b) Vertical dimension of any digital display accessory sign shall not exceed 3.5 ft. of active display area.
(c) Total digital display accessory sign area on each applicable street frontage shall not exceed 3.5 sq. ft. for each 1 lineal foot of lot line street frontage.
(d) Hours of display are limited to 7:00 a.m. to 8:00 p.m. during Eastern Standard Time, and 7:00 a.m. to 9:00 p.m. during Eastern Daylight Time.
(e) Primary illumination of the digital display accessory signs shall be internal and shall use ambient light sensors to automatically reduce the intensity of the illumination during periods of darkness.
(f) The intensity of the luminance of a digital display accessory sign shall not exceed a maximum of 7,500 nits and shall not exceed 0.3 foot candles of light above the ambient light levels.
(g) Digital display accessory signs shall be made available to display public service announcements, upon request of the City Representative, or National Amber Alert System displays and messages as the National Amber Alert System provides such alerts that are applicable to the locations of each digital display accessory sign.
(h) The applicant shall submit documentation prepared by a licensed professional traffic engineer demonstrating to the satisfaction of the Streets Department that the digital display accessory sign will not create a material distraction to drivers of motor vehicles or otherwise present a safety hazard or substantially interfere with the peaceful enjoyment of the neighborhood.