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Crown IQ-USM 810 Reference Manual

Ultra series iq digital processor/ digital mixer
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uct, please contact your local Crown Distributor. If you need assistance locating your local distributor, please
contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations of the equipment. Nor does
it cover every possible situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to
this information may have occurred. To obtain the latest version of this manual, please visit the Crown website
at www.crownaudio.com
Trademark Notice: Crown , Crown Audio, IQ , IQ System and PZM are registered trademarks of Crown
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© 2004 by Crown Audio
-USM 810
IQ Digital Processor / Digital Mixer
, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000
®
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  • Page 1 The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com...
  • Page 2 Warranty. ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period. It does not cover any product which has been damaged because of any intentional misuse, accident, negligence, or loss which is covered under any of your insurance contracts.

  • Page 3: Important Safety Instructions

    IQ-USM 810 IQ Digital Processor / Digital Mixer 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. Do not expose to drip- 6) Clean only with a dry cloth.

  • Page 4: Fcc Class B Compliance

    – Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. – Consult the dealer or an experienced radio/TV technician for help. Page 4 IQ-USM 810 IQ Digital Processor / Digital Mixer Crown Customer Service T T T T T echnical Suppor echnical Suppor...

  • Page 5: Quick Install Procedure

    Install the wiring: 4 Connect the IQ-USM 810 to the IQ System via the IQ Bus, or directly to the host computer if the unit is to be used as the system interface or stand-alone (see Section 3.1).

  • Page 6: Table Of Contents

    4.3.4 Auto-Leveler ... 19 4.3.5 Input Compressor ... 19 4.3.6 Automixing ... 20 4.3.7 A/B Processing Section Filters ... 21 4.3.8 Input Signal Muter/Inverter ... 21 Page 6 IQ-USM 810 IQ Digital Processor / Digital Mixer CONTENTS IQ-USM 810 Reference Manual...
  • Page 7 6.2.3 Control Port Digital Inputs ... 33 Working with RJ-45 Connectors ... 34 A Closer Look at IQ Bus Wiring ... 34 The IQ-USM 810 as a 1-Loop Interface ... 34 IQ Bus Wiring with a Patch Panel ... 35 7 Service ... 36...

  • Page 8: Welcome

    1 Welcome Thank you for purchasing the Crown IQ-USM 810 is a true 8x10 mixer that also provides very unique dual input processing paths, making it two complete eight-channel mixers in one chassis. In addi- tion, every input and output channel includes a full complement of signal processing as well as auto-mix- ing features to offer a complete “system-in-a-box”...

  • Page 9: Controls, Connectors & Indicators

    IQ-USM 810 IQ Digital Processor / Digital Mixer 2 Controls, Connectors & Indicators Figure 2.1 IQ-USM 810 Controls, Connectors & Indicators Page 9 IQ-USM 810 Reference Manual...

  • Page 10: Hardware Installation

    Figure 3.1 An IQ System with a Host Computer and a IQ-USM 810 3 Hardware Installation The installation of an IQ-USM 810 consists of install- ing the hardware and configuring the unit via IQ for Windows software. Refer to the IQ for Windows Help files for instructions in setting up and operating your IQ software.

  • Page 11: Set The Baud Rate

    IQ Bus can have the same ad- dress. Suppose, for example, an IQ System has two IQ Bus loops, 1 and 2, and a IQ-USM 810 is to be in- stalled into loop 1 and given an address of 114. No other IQ-USM 810 can be given the same address in loop 1.

  • Page 12: Connect To The Iq System Via The Iq Bus

    Figure 3.7 Din Output to RJ-45 Input Figure 3.8 RJ-45 Output to RJ-45 Input 3.3 Connect the Audio Wiring (Step 3) The IQ-USM 810 has eight mic/line inputs, two main outputs and eight AUX outputs Three-terminal remov- able barrier block connectors are provided for the mic/ line inputs and main and AUX outputs.

  • Page 13: Connect Auxiliary Devices

    3.4 Connect Auxiliary Devices (Step 4) Connect any external circuits you plan to use to control and/or monitor the IQ-USM 810 via the Control Port. Figure 3.10 shows pin assignments for the Control Port. See Section 6.2 for information on the operation of the Control Port, and for examples of wiring circuits to the Control Port connector.

  • Page 14: Operation

    A green front panel Interface indicator lights when the IQ-USM 810 is being used as a system interface. The control to set the IQ-USM 810 as an interface is available through IQ for Windows software, allowing only one interface per system.

  • Page 15: Input Gate Status Display

    4.1.16 AC Line Connector A rear panel IEC320 connector is provided for attach- ing the power cord. The IQ-USM 810 has a universal power supply, and may be operated on AC line volt- ages from 100VAC to 240VAC at 50Hz or 60Hz.

  • Page 16: Output Level Meters

    All-Pass Filter 32 filters per DSP processor are available for a total of 128 filters within the IQ-USM 810. An indicator in IQ for Windows software shows how much of the DSP re- sources are being used by the selected filters.
  • Page 17 IQ-USM 810 IQ Digital Processor / Digital Mixer Low-Pass Crossover Filter Description: This filter rolls off high frequencies at a rate determined by the shape parameter. The filter is com- monly used to feed the low-frequency portion of an audio signal to woofers or subwoofers. It can be com- bined with a high-pass crossover filter to create a band- pass crossover filter for driving mid-range drivers.

  • Page 18: Input Processing Delay

    * High Q filters with gain greater than unity can cause unwanted ringing. This is true for both digital and analog filters. Page 18 IQ-USM 810 IQ Digital Processor / Digital Mixer Passband Gain: Sets the amount of boost or cut for the filter. Control range is +24 dB to –24 dB in Frequency: Sets the +3-dB corner frequency relative to the boosted pass band.

  • Page 19: Auto-Leveler

    IQ-USM 810 IQ Digital Processor / Digital Mixer • Delay: each of the A/B Processing Sections have an additional delay function. Since the Input Gate sense is before the delay, a delay at this point al- lows the gate to act before the signal actually ar- rives.

  • Page 20: Automixing

    10-milliseconds to 10-seconds in 10 millisecond steps. Page 20 IQ-USM 810 IQ Digital Processor / Digital Mixer • Max Number of Open Mics: sets the max number of open mics within the automix group. A last-in, first-out algorithm is used to determine which mics are ducked.

  • Page 21: A/B Processing Section Filters

    The Mute function typically provides –100 dB of attenuation. 4.4 Matrix Mixer The IQ-USM 810 is an 8x10 mixer with unique dual input processing paths (See Figure 5.2). Each of the balanced inputs are split into two separate "A/B" pro- cessing sections for a total of sixteen input signal processing paths.

  • Page 22: Aux Mix Bus Faders

    4.5 Output Signal Processing Note: The following features are controlled and monitored via IQ for Windows software. Refer to Figure 5.2, IQ-USM 810 Signal Flow Block Diagram for feature locations in the audio signal chain. 4.5.1 Output Delay Signal delay can be set for each output channel. The IQ-USM 810 has an inherent 2.85-millisecond delay...

  • Page 23: Output Muter/Inverter

    • Mode: controls the mode of the input pin. *"Objects", in this context, is a general term describing any controllable or observable parameter within the IQ-USM 810. Certain objects within the unit, such as preset labels, are excluded from control via the Multi-Function Control Port.

  • Page 24: Digital Outputs

    There is one indicator and six controls for each output: Page 24 IQ-USM 810 IQ Digital Processor / Digital Mixer • • • • • Pin State Indicator: indicates the logical “Pin- High” or “Pin-Low” status of the actual hardware output.

  • Page 25: Technical Information

    When acting as an interface, a computer needs to be connected to the RS232 interface. • • • • • RS232: When the IQ-USM 810 is in interface mode, the computer communicates with the IQ- USM 810 and all components on its IQ loop via this port.
  • Page 26 +25VDC. Figure 5.1 IQ-USM 810 Circuit Block Diagram Page 26 IQ-USM 810 IQ Digital Processor / Digital Mixer Analog Inputs: Any fader in the unit can be controlled via one of these inputs. A 10VDC swing allows the control to vary from null to full scale.

  • Page 27: Specifications

    An amber front-panel Data Signal Presence Indicator (DATA) flashes whenever commands ad- dressed to the IQ-USM 810 are received. A green front- panel Interface indicator lights when the IQ-USM 810 is being used as system interface. A three-segment digi-...
  • Page 28 IQ-USM 810 IQ Digital Processor / Digital Mixer Figure 5.2 IQ-USM 810 Signal Flow Block Diagram Page 28 IQ-USM 810 Reference Manual...
  • Page 29 IQ-USM 810 IQ Digital Processor / Digital Mixer Page 29 IQ-USM 810 Reference Manual...

  • Page 30: Working With Iq

    This section provides additional information about Crown’s IQ System with special guides to aid in the installation and use of the IQ-USM 810. For more infor- mation about any of these topics, contact the Crown Technical Support Group (see Section 7 for contact information).

  • Page 31: Output

    The AUX Audio outputs are connected to the AUX summing busses and allow the IQ-USM 810 to operate as a 8x10 matrix. Any input can be routed to any main or AUX Audio Output via the summing buss.

  • Page 32: Using The Multi-Function Control Port

    1 amp of current is available. Figure 6.8 shows pin assignments. Page 32 IQ-USM 810 IQ Digital Processor / Digital Mixer There are many possible uses for the Control Port outputs. For example, they can be used to turn on auxiliary cooling fans.

  • Page 33: Control Port Analog Inputs

    The Control Port digital inputs can be used to sense logic high or low signals to control many of the fea- tures of the IQ-USM 810. The inputs are current- driven and will accept +5V or +10V inputs, and are well suited for sensing contact closure.

  • Page 34: Working With Rj-45 Connectors

    The IQ Bus is a serial communication loop designed to transmit IQ commands and data. As implemented in the IQ-USM 810, it is a 20-mA current loop operating at a baud rate of 38.4 K. The IQ Bus connection can use inexpensive twisted- pair wiring (shielded or unshielded).

  • Page 35: Iq Bus Wiring With A Patch Panel

    IQ-USM 810 to the patch panel.* The combination IQ Bus Input/ Output Connector on the IQ-USM 810 has been de- signed specifically for this use. When wiring the IQ Bus with a patch panel, all unused ports must be terminated with shorting plugs to close the loop.

  • Page 36: Service

    No user serviceable parts inside. Refer servicing to a qualified technician. 7.1 Factory Service IQ products are serviced only at the Crown Factory. To obtain factory service, fill out the service information page found in the back of this manual and send it along with your proof of purchase and the defective unit to the Crown factory.
  • Page 37 IQ-USM 810 IQ Digital Processor / Digital Mixer THIS PAGE INTENTIONALLY LEFT BLANK Page 37 IQ-USM 810 Reference Manual...
  • Page 38 92/31/EEC, and the Low Voltage Directive 73/23/EES as amended by 93/68/EEC. Signed __________________ Larry Coburn Senior Vice President of Manufacturing Page 38 IQ-USM 810 IQ Digital Processor / Digital Mixer DECLARATION OF CONFORMITY Sue Whitfield 574-294-8289 swhitfield@crownintl.com Date of issue: January 1, 2001...
  • Page 39 IQ-USM 810 IQ Digital Processor / Digital Mixer Crown Factory Service Information Shipping Address: Crown Audio, Inc., Factory Service,1718 W. Mishawaka Rd., Elkhart, IN 46517 Phone: 1-800-342-6939 or 1-574-294-8200 Fax: 1-574-294-8124 Owner’s Name: ___________________________________________________________________________________ Shipping Address: _________________________________________________________________________________ Phone Number: ___________________________________ Model: ___________________________ Serial Number: _________________ (Be sure to describe the conditions that existed when the problem occurred and what attempts were made to correct it.)

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