Crown Audio 28M Setup, Installation, How to Attach Rack Ears, Locate the two rack ears supplied

Page 8

Commercial Audio Series Mixers

2 Setup

2.1 Installation

CAUTION: Before you begin, make sure your mixer is disconnected from the power source, with the power switch in the “off” position and all level controls turned completely down (counterclockwise).

Use a standard 19-inch (48.3 cm) equipment rack (EIA RS-310B). See Figure 2.1 for amplifi er dimensions.

You may also stack mixers without using a cabinet, or you may place a single mixer on a surface.

NOTE: When transporting in a rack, mixers should be supported at the front and back.

The side walls of the rack should be a minimum of two inches (5.1 cm) away from the amplifi er sides, and the back of the rack should be a minimum of four inches (10.2 cm) from the mixer back panel.

2.2 How to Attach Rack Ears

1. Locate the two rack ears supplied.

2.See Figure 2.2. Remove the two screws from each side of the chassis near the front.

3. Place a rack ear fl ush with the right front of the chassis.

4.Insert a screw that you removed into the bottom hole of the rack ear and chassis. Screw it in.

5.Insert a screw that you removed into the top hole

of the rack ear and chassis. Screw it in.

6. Repeat steps 3-5 for the left side of the chassis.

Figure 2.2 How to Connect Rack Ears

 

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SPI

CLIP

 

SPI

CLIP

 

 

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POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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B

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MASTER 1

 

MASTER 2

 

17.3In.

43.8cm

1.7In.

4.3cm

10.7In.

27.18 cm

11.9In.

30.2cm

Figure 2.1 Dimensions

page 8

Operation Manual

Image 8
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 Outputs Maintain proper polarity +/- on output connectors WireYour SystemTypical input and output wiring is shown in Figure Priority Muting Phantom PowerInput Routing 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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