Electric changeable copy shall be allowed on monument signs within certain commercial districts. A maximum of 30 square feet or 50 percent of the maximum sign area, whichever is less, may be dedicated to electric changeable copy, provided the following conditions are met:
1. Electric changeable copy may change no more than one time in a five-minute interval and shall not include any flashing, flowing, alternating, or blinking lights. Time and temperature may be included as a component of electric changeable copy or permitted in lieu of electric changeable copy and shall not be restricted by the requirements of the five-minute interval as specified above.
2. Electric changeable copy shall be integral to and a part of an approved monument sign.
3. Sign content should be limited to on premises advertising or public announcements.