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01 <br />Recommended Guidelines: <br />Optimal brightness servings for tligiral duplaysara <br />YESCO. <br />bast on widely accepted gwtlelines eslablisbetl by <br />the Outran r Adverting Association ofAmerica <br />(OAM)(NhMed). These gnitlelines are designed to <br />W�DBYIIIW <br />provide adequate nighttime legibilitywithe of <br />sorry light trespass on the surrou once <br />ei <br />y�si..ei <br />amm��by <br />A¢ortling to thus guidelines for a 14' z48' display, <br />the ambient light will not exceed 03 foot candles over <br />a invent levels as ones sured using an Illuminance(foot <br />and a) meter at a distance o250', perpendicular to <br />11GO1I(CIfL <br />the dispIyface . <br />Myrye <br />Measurement: <br />Using an luminance (toot antlle) meter, the <br />on <br />ment ofambient fig M1t levels IslvA liken witM1Ttv al <br />tbeatlispky off method againwhile onwith afullwhite <br />n. I(the second reading Is more than 03 foot <br />antlles higher than the lust, the display must be <br />tllmmad until it falls within the appropriate guidelines. <br />This provides very conservative measurement given <br />that a typral display operates at an average ot2530% <br />offull brightness beaus content Is never full on/full <br />white <br />Dimming Control Mechanisms: <br />To ensure consistent compliance with OAAA <br />endations several redundanciesare built In to <br />the display <br />• Photo age and auto dimming software dim <br />ibe sign gradually (1024 lesels) during <br />transition from daylight to dusk to night <br />nit ions. <br />• In Ibis rare event the the light sensor fails, <br />the display software Wil default to dim <br />gradually based on geographic Sunrise <br />Sunset time. �.e..o.e..o.=.... <br />• Display Software is as o capable of manual —_ <br />itimming by end user for immetliale/ local <br />adjustment and added redundancy. <br />Lighting Analysis I Viewing Cone <br />The following maps depict orientation of displays and <br />foot candle measurements at various distances using <br />OAAArecemmended brgghnes settings and control <br />mechanisms describe tl above. <br />Measurements beyond 60°from perpe ridiculer are not <br />measuabla beyond 1 foot antlle. <br />Brightness Levels less than l foot candles are <br />generally Immeasurable and indiscernible to against <br />invent light levels <br />we,k1r a° ��� .p.... MAIN PLACE .'".PLnNNeo sicN PRocR,vnn �,..�„ucHT LEveLs oiacR ..� <br />=Mae.==��bm�=e a f arSiTe,�RiaL .�, 47 <br />