Definitions. In this section, the terms have the following meaning:
DISSOLVEA mode of message transition on an electronic message display accomplished by varying the light intensity or pattern, where the first message gradually appears to dissipate and lose legibility simultaneously with the gradual appearance and legibility of the second message.
ELECTRONIC MESSAGE DISPLAYA sign capable of displaying words, symbols, figures, or images that can be electronically or mechanically changed by remote or automatic means.
FADEA mode of message transition on an electronic message display accomplished by varying the light intensity, where the first message gradually reduces intensity to the point of not being legible and the subsequent message gradually increases intensity to the point of legibility.
FRAMEA complete, static display screen on an electronic message display.
FRAME EFFECTA visual effect on an electronic message display applied to a single frame to attract the attention of viewers.
SCROLLA mode of message transition on an electronic message display where the message appears to move vertically across the display surface.
TEMPORARY SIGNAny advertisement or promotional device not permanently attached to the ground or permanent structure to include, but not limited to, signs, banners, promotional flags, balloons, sign trailers, streamers, and pennants.
TRANSITIONA visual effect used on an electronic message display to change from one message to another.
TRAVELA mode of message transition on an electronic message display where the message appears to move horizontally across the display surface.