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Do not permit operation by persons not qualified for operating the unit. Most damages are the result of unprofessional operation! • Do not attempt to operate this unit if the power cord has been frayed or damaged. • Disconnect from main power before making any type of connection. • Do not attempt to operate this unit, if it becomes damaged in any way. • Never operate this unit when it’s covers are removed. • To reduce the risk of electrical shock or fire, do not expose this unit to rain or moist