Sec. 14.3. (a) "Changeable message sign" means a sign that satisfies all of the following:
(1) The message on the sign may be changed mechanically, electronically, or by remote control.
(2) The static display on the face of the sign:
(A) does not display any copy or message that moves, appears to move, or flashes; and
(B) lasts at least eight (8) seconds.
(3) A message change takes no more than two (2) seconds.
(b) The term includes electronic billboards and trimovement signs.