2221 Technical Reference Manual Brandname: Larson Davis Category: Power Supply Total Pages: 35 Table of contents Model22212Copyright3Recycling4TableofContents5A-16ListofFigures8AboutThisManual9Features10UnpackingandInspection11GeneralDescription13Connectors15Controls16LedIndicators17PoweringTheModel222119ExternalBatteryOrDcPower20CableConnections21ElectricalSpecifications24FrequencyResponse25OutputNoise26Indicators27Mechanical28Weight29Environmental30UnitedStates31Index32