R

RAMS – Radio Audience Measurement

Reach – The approximate percentage of a target audience’s population who notice an advertising message at least once during an OOH campaign, over a period, which is normally is a month.

Refresh Rate – The number of times per second the screen is updated or “repainted” for an LED display.  Depending on the video standard, the actual image is changed only 25 times per second for PAL. Most LED systems use pulse-width modulation to generate the colour levels, and to reduce any noticeable flicker on the display.

Reflective vinyl – Is a type of printed material, also referred to as a decal, primarily used to increase the night-time visibility of advertised material safely and effectively in the light of an approaching driver’s headlamps.

RGB – (red, green, and blue) refers to a system for representing the colours to be used on a computer display. Red, green, and blue can be combined in various proportions to obtain any colour in the visible spectrum. Levels of R, G, and B can each range from 0 to 100 percent of full intensity.

Roof sign – Refers to a sign affixed on, above, or over the roof of any building so that it projects more than three (3) feet above the lowest point of the roof of such as a building.