oj council direct juli approxim law member state relat audibl warn devic motor vehicl eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe technic requir motor vehicl satisfi pursuant nation law relat inter alia audibl warn devic requir differ member state member state adopt requir addit place exist rule order eec type approv procedur subject council direct februari approxim law member state relat type approv motor vehicl trailer appli respect type vehicl rule audibl warn devic includ requir relat fit devic vehicl construct devic harmonis type approv procedur audibl warn devic make member state check complianc common requir relat construct test inform member state find send copi type approv certif complet type audibl warn devic place eec type approv mark devic manufactur conform approv type obviat technic check devic member state adopt direct articl member state approv type audibl warn devic satisfi construct test requir laid item annex member state grant type approv measur verifi oper compet author member state product model conform approv type verif limit spot check articl member state issu manufactur authoris repres eec type approv mark conform model shown item annex type audibl warn devic approv pursuant articl member state measur prevent mark liabl creat confus audibl warn devic type approv pursuant articl devic articl member state prohibit audibl warn devic market ground relat construct method oper devic bear eec approv mark provis prevent member state take measur respect audibl warn devic bear eec approv mark design conform approv prototyp state inform member state commiss forthwith measur reason decis provis articl appli failur conform approv prototyp mean subparagraph upper lower limit item annex observ articl compet author member state month send compet author member state copi type approv certif type audibl warn devic approv refus approv articl member state grant eec approv find number audibl warn devic bear approv mark conform type approv measur ensur product model conform approv type compet author state advis member state measur extend withdraw eec approv author measur inform compet author member state failur conform compet author member state month inform withdraw eec type approv reason measur member state grant eec type approv disput failur conform notifi member state concern endeavour settl disput commiss inform hold consult purpos reach settlement articl decis pursuant rule adopt implement direct refus withdraw approv audibl warn devic prohibit market state detail reason base decis notifi parti concern time inform remedi law forc member state time limit allow exercis remedi articl member state refus grant eec type approv nation type approv vehicl ground relat audibl warn devic devic bear eec approv mark fit accord requir laid item annex articl purpos direct quot vehicl quot mean motor vehicl intend road bodywork wheel maximum design speed exceed km except vehicl run rail agricultur tractor machineri public work vehicl articl amend adjust requir annex ii account technic progress adopt accord procedur laid articl council direct februari approxim law member state relat type approv motor vehicl trailer articl member state put forc provis requir need order compli direct eighteen month notif forthwith inform commiss thereof member state ensur text main provis nation law adopt field cover direct commun commiss articl direct address member state brussel juli council presid arendt annex eec type approv audibl warn devic warn devic emit continu sound warn devic acoust characterist frequenc spectrum sound level sound pressur mechan characterist satisfi test order measur sound level warn devic test suffici silent open area ambient nois wind nois db nois measur anecho chamber microphon measur instrument locat direct subject sound level maximum front surfac devic microphon devic posit height ground level measur made quot quot weight scale iec intern electrotechn commiss standard mean sound level meter conform type public st ed intern electrotechn commiss devic suppli voltag volt measur termin sourc electr power rate voltag volt resist connect lead includ resist termin contact ohm volt circuit ohm volt circuit ohm volt circuit devic rigidli mount part part provid manufactur support mass ten time devic kg condit subject sound pressur level db db time laps moment activ moment sound reach minimum level laid item exce second measur ambient temperatur provis appli pneumat electro pneumat oper devic devic pneumat electro pneumat oper pneumat circuit arrang accord manufactur specif acoust perform requir electr oper audibl warn devic endur test warn devic suppli rate voltag item connect lead resist item oper time time period break test devic ventil air current speed approxim test carri anecho chamber suffici volum normal dispers heat emit devic endur test ambient temperatur test room oper sound level devic chang relat sound level test devic adjust oper adjust devic pass test item acoust test spectrum sound emit devic measur distanc show sound pressur higher frequenc compon hz hz frequenc band case db requir state item satisfi warn devic submit test item suppli voltag rate voltag effect voltag laid item resist connect lead includ resist batteri contact laid item devic test microphon height microphon posit face front surfac warn devic direct subject sound level maximum devic rigidli mount part part provid manufactur support mass ten time devic event kg test made anecho chamber type approv test type approv test carri sampl type submit manufactur approv sampl subject test conform technic specif laid annex type approv mark type approv mark made rectangl letter quot quot distinguish number countri grant approv germani franc itali netherland belgium luxembourg point proxim rectangl type approv number number approv certif complet prototyp approv mark symbol number mention shown main bodi audibl warn devic visibl warn devic fit vehicl mark legibl indel dimens approv mark drawn express millimetr minimum dimens ratio dimens maintain characterist audibl warn devic fit vehicl acoust test vehicl type approv characterist warn devic fit type vehicl test sound pressur level devic fit vehicl measur point front vehicl site open level engin vehicl stop effect voltag laid item measur made quot quot weight scale iec intern electrotechn commiss standard maximum sound pressur level determin height ground level maximum db aforement area form instanc open space radiu central part radiu practic level surfac concret asphalt similar materi cover powderi snow tall grass light soil ash measur carri fine weather person observ take read apparatu remain audibl warn devic microphon presenc spectat devic microphon consider affect read apparatu fluctuat pointer unrel characterist gener sound level take read annex ii type approv certif administr notif approv refus withdraw approv type audibl warn devic type approv trade mark type electro pneumat warn devic electro magnet warn devic reson plate electro magnet hooter address manufactur applic address manufactur authoris repres suppli voltag volt nomin frequenc i nomin oper pressur hz kg cm submit approv test laboratori date number laboratori report date approv refus withdraw approv place date document bear approv number shown annex approv certif draw diagram plan warn devic remark signatur delet item applic