1339.181 ELECTRONIC MESSAGE DISPLAY SIGNS.
   (a)   Electronic message display (EMD) signs shall be permitted, subject to the requirements of Section 1339.18 and the following restrictions:
      (1)   Display must remain on for a minimum of ten (10) seconds.
      (2)   No moving, flashing, scrolling or other forms of animation or illusion of the same, including, but not limited to rolling or exploding letters.
      (3)   Only one EMD per site.
      (4)   Letters and/or numbers not to exceed twenty-four (24) inches in height.
      (5)   EMDs shall not operate at brightness levels of more than three-tenths (.3) foot-candles above ambient light, as measured by a footcandle meter.
         A.   Brightness shall be measured as follows: At least 30 minutes past sunset, use a footcandle meter to record the ambient light reading for the area while the digital display of the sign is either off or displaying all black copy. Turn on the digital display of the sign to full white copy and take another reading. If the difference is three- tenths (.3) foot candles or less, the brightness is properly adjusted. The reading should be taken with the footcandle meter aimed directly at the digital sign at the appropriate distance.
            1.   A sign measuring between zero (0) and one hundred (100) square feet is to be measured from one hundred (100) feet from the sign.
            2.   A sign measuring between one hundred and one (101) and three hundred and fifty (350) square feet is to be measured from one hundred and fifty (150) feet from the sign.
            3.   A sign measuring between three hundred and fifty-one (351) and six hundred and fifty (650) square feet is to be measured from two hundred (200) feet from the sign.
            4.   A sign measuring between six hundred and fifty-one (651) and one thousand (1000) square feet is to be measured from two hundred and fifty (250) feet from the sign.
            5.   A sign measuring over one thousand (1000) square feet is to be measured from three hundred and fifty (350) feet from the sign. (Ord. 12-186. Passed 12-18-12.)