Crown Audio 28M, 14M operation manual Powering Up, Included Accessories

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Commercial Audio Series Mixers

2 Setup

2.9 Powering Up

1.Turn off any equipment connected to the Line Out connectors.

2.Plug the mixer’s power cord into a 3-wire grounded AC outlet.

3.Turn down the input volume controls.

4.Turn down the master volume control.

5.Turn on the Power switch. The Power indicator should glow.

6.Turn the input volume controls in use about 3/4 up.

7.Have someone talk into a microphone. Turn up the master volume control(s) until the output clip LED fl ashes, then turn down the master volume control(s) about 1/4 turn for headroom.

8.Turn on any equipment connected to the Line Out connectors.

9.Turn up the power amplifi er level control until the desired loudness or power level is achieved.

10.Touch up the input levels as needed for equal loudness from each microphone.

If you ever need to make any wiring or installation changes, disconnect the power cord.

2.10 Included Accessories

Power cord

Detachable rack ears

Screws for rack ears

Phoenix-type connectors

Spade lugs

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Operation Manual

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Contents Commercial Audio Series Some models may be exported under the name AmcronImportant Safety Instructions Watch for These SymbolsSafety Standard Declaration of ConformityCrown International, Inc European Representative’s Name and AddressTable of Contents Features WelcomeInput Volume Controls Output Volume ControlsOutput Signal Presence Indicator Clip IndicatorBack Panel Controls and Connectors AC Power Inlet Mixer Config SwitchMic/line Switch Dual RCA Input ConnectorSetup InstallationHow to Attach Rack Ears Locate the two rack ears suppliedBalanced Line WireYour System Typical input and output wiring is shown in FigureOutputs Maintain proper polarity +/- on output connectors Phantom Power Input RoutingPriority Muting Powering Up Included AccessoriesBlock Diagram 28M Block DiagramTroubleshooting No input signal Input signal level is very lowSpecifications Service Warranty United States & CanadaItems Excluded from this CROWN- Warranty Worldwide Except USA & CanadaModel Serial # Crown Audio, IncFax Mishawaka RdThis page Intentionally Left Blank Crown Audio Factory Service Information Product Return InformationCommercial Audio Series Mixers Commercial Audio Series Mixers
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