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Inter-m CSP-4.8 Operation Manual

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Inter-M, Ltd. (Korea) began operations in 1983.
Since then, Inter-M has grown to become one of the largest manufacturers
of professional audio and commercial sound electronics equipment in the world.
Inter-M has gained worldwide recognition for its own branded products,
as well as private label manufacturing of electronics sold under other names (OEM).
The company is no longer just a Korean company, but rather a global company
that is truly international in scope, with factories and offices in Korea and China,
and sales and marketing operations located in Japan, Europe, and the U.S.A.
With more than 850 employees around the globe,
Inter-M is well-poised for further growth and expansion.
Inter-M Americas, Inc.
13875 Artesia Blvd. Cerritos, CA 90703 USA
TEL : +1-562-921-0313, FAX : +1-562-921-0370
Home Page : http://www.inter-m.net, E-mail : info@inter-m.net
Inter-M Corporation
Seoul OFFICE:653-5 BANGHAK-DONG, DOBONG-KU, SEOUL, KOREA
TEL : +82-2-2289-8140~8, FAX : +82-2-2289-8149
MADE IN KOREA
Home Page : http://www.inter-m.com, E-mail : overseas@inter-m.com
March 2011

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  • Page 1 Inter-M, Ltd. (Korea) began operations in 1983. Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world. Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OEM).
  • Page 2 Operation Manual Signal Processor CSP-4.8...
  • Page 3 A personal welcome to you from the management and employees of Inter-M All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products.

  • Page 4: Table Of Contents

    SIGNAL PROCESSOR Contents Contents Unpacking ............................2 Installation Environment............................2 Important Safety Instructions......................2 Features ............................3 Front Panel ............................4 PROTEA NE Software ........................13 Troubleshooting ..........................14 Block Diagram ..........................15 Specifications ..........................16 Dimensions ...........................17 Service ............................18 Variations and Options .......................18 Warranty ............................18 CSP-4.8...

  • Page 5: Unpacking

    S3125A S3125A CSP-4.8...

  • Page 6: Features

    - 24 bit, 48kHz delta-sigma A/D converters with 128x oversampling - A backlit 2 x 20 character LCD displays channel and function settings - CSP-4.8 Software for Windows, which allows complete PC control of the unit through a USB jack CSP-4.8...

  • Page 7: Front Panel

    The Esc key will exit any activity and return to the top level showing the preset number and name. 2. PRESETS The CSP-4.8 is organized into 30 programmable presets, each completely defining the configuration of all inputs and outputs along with their respective audio components. There are ten repeating preset configurations pre-loaded into the unit which are simply starting points for common applications, and all can be modified, renamed, and saved to suit the end user.
  • Page 8 Pol:Normal will be up to 6dB louder when combined. 2) EQ - The CSP-4.8 EQ section offers full parametric EQ as well as 1st and 2nd order shelving filters on inputs and outputs. Each input channel has six selectable EQ filters, while each output channel has four...
  • Page 9 4.8 EQ section of Protea NE Software. The software works whether a unit is connected or not, so it is an invaluable teaching tool as well as an audio setup tool for the CSP-4.8. The program is shipped with the CSP-4.8, but is also available on the Ashly web site.
  • Page 10 Within the CSP-4.8, up to 682 milliseconds of time delay are available, allowing secondary loudspeaker clusters to be time aligned with the primary speakers up to 771 feet (235m) away from the main stage area.
  • Page 11 - Bessel These filters, as implemented on the CSP-4.8 processor, is always -3dB at the displayed crossover frequency. Bessel filters are used because they have a maximally flat group delay. Stated another way, Bessel filters have the most linear phase response.
  • Page 12 4.8 is known for. 1) Recall There are 30 stored presets which can be recalled on the CSP-4.8 processor. Note: A preset recall will overwrite the working settings, so make sure the current configuration is saved before continuing or it will be lost.
  • Page 13 There are four security modes in the CSP-4.8 : Off, Preset Lock, Parameter Lock, and Full Lockout. When connected to a PC via the USB port, security settings made on the CSP-4.8 unit are read and used within the Protea NE software security section, sharing the same passcode.
  • Page 14 0dBu, or 0.775Vrms. To change this to a VU scale, where 0VU = +4dBu (1.228Vrms), select the <Ref:> option in the Util menu to VU. Note: Protea NE software for the CSP-4.8 can only display LED meters in dBu. - Device Name The device name is assigned from within Protea NE software, and is displayed in the LCD window.
  • Page 15 1. Audio Connections The CSP-4.8 audio connections use three pin XLR jacks, with pin 2 (+), pin 3 (-), and pin 1(G). Inputs and outputs are electronically precision balanced. If an unbalanced signal is fed to an input, the signal should be on the (+) connection (pin 2) and pin 3 must be tied to ground, or significant signal loss will result.

  • Page 16: Protea Ne Software

    - Presets Options The CSP-4.8 will store up to 30 total presets. A preset file takes a "snapshot" of all current settings and stores complete control data for all channels and all audio functions. In addition to pressing the Save button on the face panel, individual presets can be saved to the processor by using <Preset Options/Save Preset To...

  • Page 17: Troubleshooting

    • No power - Is the detachable AC cord fully plugged in? Is the rear panel power switch on? Controls don't work - check the Security Level. If set to Full Lockout, then CSP-4.8 unit is "view only". Change security settings in Util menu or software.

  • Page 18: Block Diagram

    SIGNAL PROCESSOR Block Diagram Block Diagram CSP-4.8...

  • Page 19: Specifications

    SIGNAL PROCESSOR Specifications Specifications CSP-4.8 Input Active Balanced, 18kΩ Max. Input Level +20dBu Input Gain Range -40dB to +12dB Output Active Balanced, 112Ω Max. Output Level +20dBu Output Gain Range -40dB to +12dB EQ Filter Types 1st or 2nd Order High or Low Shelf, Parametric Shelving Filter Boost/Cut Range ±15dB...

  • Page 20: Dimensions

    SIGNAL PROCESSOR DIMENSIONS CSP-4.8...

  • Page 21: Service

    To obtain specific warranty information and available service locations contact Inter-M directly or the authorized Inter-M Distributor for your specific country or region.
  • Page 22 NOTE DPA-430H MA-106...
  • Page 23 NOTE DPA-430H...
  • Page 24 DPA-430H...

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