D.A.S. Altea Series User Manual

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Contents

D.A.S. Altea Series User Manual Manual pdf 11 page image

11Manual del Usuario / altea series / User’s ManualThis manual contains needed information forflying DAS Audio cabinets, description of theelements and safety precautions. To perform anyoperations related to flying the system, read thepresent document first, and act on the warningsand advice given. The goal is to allow the user tobecome familiar with the mechanical elementsrequired to fly the acoustic system, as well as thesafety measures to be taken during set-up andteardown.Only experienced installers with adequateknowledge of the equipment and local safetyregulations should fly speaker boxes. It is theuser's responsibility to ensure that the systems tobe flown (including flying accessories) comply withstate and local regulations.The working load limits in this manual are theresults of tests by independent laboratories. It isthe user's responsibility to stay within safe limits. Itis the user's responsibility to follow and complywith safety factors, resistance values, periodicalsupervisions and warnings given in this manual.Product improvement by means of research anddevelopment is on going at DAS. Specificationsare subject to change without notice.It is common practice to apply 5:1 safetyfactors for enclosures and static elements. Forslings and elements exposed to material fatiguedue to friction and load variation the followingratios must be met; 5:1 for steel cable slings, 4:1for steel chain slings and 7:1 polyester slings.Thus, an element with a breaking load limit of1000 kg may be statically loaded with 200 kg (5:1safety factor) and dynamically loaded with 142 kg(7:1 safety factor).When flying a system, the working load mustbe lower than the resistance of each individualflying point in the enclosure, as well as each box.Hanging hardware should be regularly inspectedand suspect units replaced if in doubt. This isimportant to avoid injury and absolutely no risksshould be taken in this respect. It is highlyrecommended that you implement an inspectionand maintenance program on flying elements,including reports to be filled out by the personnelthat will carry out the inspections. Localregulations may exist that, in case of accident,may require you to present evidence of inspectionreports and corrective actions after defects werefound.Absolutely no risks should be taken withregards to public safety. When flying enclosuresfrom ceiling support structures, extreme careshould be taken to assure the load bearingcapabilities of the structures so that the installationis absolutely safe. Do not fly enclosures fromunsafe structures. Consult a certified professional ifneeded. All flying accessories that are not suppliedby DAS Audio are the user's responsibility. Use atyour own risk.IntroductionAltea series models feature 2x M8 nuts on thetop panel. There are 4x M8 nuts at the rear panel.Flying with eyebolts is very economical andsafe, and it is recommended for installations wherethe boxes are not fixed permanently.The illustration shows the internal metalhardware of an enclosure with eyebolt flying.

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