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Manual Shure DFR22

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  • Shure DFR22 - page 1

    DFR22 Audio Processor with Feedback Reduction Model DFR22 Installation Guide 27 B8 81 3 ( Rev.  )  200  Shure Incorporated Printed in U.S.A. ...

  • Shure DFR22 - page 2

    ! IMPORT ANT SAFETY INSTRUCTIONS ! 1. READ these in structions. 2. KEEP the se instruct io ns. 3. HEED all warn ings. 4. FOLLOW al l instruct ions. 5. DO NOT us e this appara tus near wa ter . 6. CLEAN ONL Y with dry cloth. 7. DO NOT bl ock any venti lation open ings. Install in accordance w ith the manu- facturer's instru ctions. 8. DO NOT in ...

  • Shure DFR22 - page 3

    ENGLISH 1 DESCRIPTION Th e DFR22 Audio Processor with Feedback Reduction is a 2–input, 2–output digital audio processor . It is designed to equalize so und system response, provide dynamics processing and alignment delay , and automatically detect and control acoustic feedback. A built-in 2 X 2 matri x mixer allows either or both inputs to be r ...

  • Shure DFR22 - page 4

    ENGLISH 2 OVERVIEW Front Panel DFR22 FRONT P ANEL Figure 1 1. INPUT/OUTPUT Level Meters: – CLIP . Illuminates at 3 dB below clipping level . –0 V U . +4 dBu, –10 dBV ; software selectable . 0 dB is equal to +4 dBu by default. If the input or output sensitivity is changed to –10 dBV using the DFR22 software, 0 dB equals –10 dBV . – –20 ...

  • Shure DFR22 - page 5

    ENGLISH 3 DEF AUL T PRESETS The DFR22 comes with three factory-configured presets. Although a computer is required to configure the DFR22’s equalizers, dy- namics processors, delays, and crossover , you can use the DFR22 “out of the box” as an automatic feedback reducer , without connect- ing it to a computer . Preset 1: Provides two independ ...

  • Shure DFR22 - page 6

    ENGLISH 4 DFR22 Theory Feedback Reduction No sound system (microphones + mixing/signal processing + power amplifiers/loudspeakers + room acoustics) has an absolutely flat fre- quency response. When the level of a sound system is increased, the frequencies at which peaks occur will be the first to exceed the feed- back threshold. The DFR22 attenuate ...

  • Shure DFR22 - page 7

    ENGLISH 5 POWER AND INITIALIZA TION Power Mains Connections Us e the supplied power cable to connect the DFR22 Audio Proces- sor to an active 100–240 V ac power source, as shown in Figure 6. The Power LED on the front panel will glow green when power is applied. NOTE: The DFR22 Audio Processor is designed to operate contin- uously . Therefore, th ...

  • Shure DFR22 - page 8

    ENGLISH 6 12 dB and 18 dB Output Pads Each DF R2 2 output has a 12 dB pad and an 18 dB pad that can be engaged through the software interface. Use these pads when con- necting the DFR22 to lower-level inputs. They cannot be used to prevent clipping at the output stage of the DFR22 NOTE: The Output meters indicate the signal level present at the dig ...

  • Shure DFR22 - page 9

    ENGLISH 7 DIP Switch Settings for Networked Devices Assign each Shure Link device a unique Device ID Number , using DIP Switches 1–4, as shown in Figure 13. Refer to T able 2 for De- vice ID settings. IMPORT ANT : Each Shure Link device MUST have a unique Device ID number . DIP SWITCH SETTINGS FOR NETWORKED DEVICES Figure 13 T able 2. DEVICE ID S ...

  • Shure DFR22 - page 10

    ENGLISH 8 Mute Control Connections For mute control, use either a latching switch or a momentary switch. The total resistance of the cable run from the switch to the DFR22 should be less than 100 ohms. Figure 15 shows an example of how to connect either a latching switch or a momentary switch to the Control Input pins to mute an input or an output. ...

  • Shure DFR22 - page 11

    ENGLISH 9 SPECIFICA TIONS Frequency Response 20 Hz to 20 kHz ± 1 dB Dynamic Range 1 10 dB minimum, A-weighted, 20 Hz to 20 kHz Sampling Rate 48 kHz Digital-to-Analog, Analog-to-Digital Conversion 24 bit Impedance Input: 10 k Ω Output: 120 Ω Input Clipping Level +24 dBu minimum Output Clipping Level +24 dBu +12 dBu (with 12 dB pad) +6 dBu (with ...

  • Shure DFR22 - page 12

    ENGLISH 10 Information to User Changes or modifications not expressly approved by Shure Incorporated could void your authority to operate this equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rule s. These limits are designed to provide reasonable protection a ...

  • Shure DFR22 - page 13

    SHURE Incorporated http://www.shure.com United States, Canada, Latin America, Caribbean: 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 847-600-2000 U.S. Fax: 847- 600- 121 2 Intl Fax: 847-600-6446 Europe, Middle East, Africa: Shure Europe GmbH, Phone: 49-7131-721 40 Fax: 49 -7131-721414 Asia, Pacific: Shure Asia Limited, Phone: 852-289 ...

Manufacturer Shure Category Music Mixer

Documents that we receive from a manufacturer of a Shure DFR22 can be divided into several groups. They are, among others:
- Shure technical drawings
- DFR22 manuals
- Shure product data sheets
- information booklets
- or energy labels Shure DFR22
All of them are important, but the most important information from the point of view of use of the device are in the user manual Shure DFR22.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Shure DFR22, service manual, brief instructions and user manuals Shure DFR22. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Shure DFR22.

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A complete manual for the device Shure DFR22, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Shure DFR22 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Shure DFR22.

A complete Shure manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Shure DFR22 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Shure DFR22, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Shure DFR22, that we can find in the current document
3. Tips how to use the basic functions of the device Shure DFR22 - which should help us in our first steps of using Shure DFR22
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Shure DFR22
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Shure DFR22 in a specific country, if it was not possible to solve the problem on our own.

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