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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 Rules. These limits are designed to provide reasonable protection against harmful

interference in a residential installation.  This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference

to radio communications.  However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can

be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

S

Reorient or relocate the receiving antenna.

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Increase the separation between the equipment and receiver.

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Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

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Consult the dealer or an experienced radio/TV technician for help.

LIMITED TWO YEAR WARRANTY

Shure Incorporated (“Shure”) hereby warrants that this product will be free from defects in materials and workmanship for a period of two years

from the date of purchase. At its option Shure will repair or replace the defective product and promptly return it to you, or refund the purchase price.

You should retain proof of purchase to validate the purchase date and return it with any warranty claim.
If you believe this product is defective within the warranty period, carefully repack the unit, insure it, and return it postage prepaid to:

Shure Incorporated

Attention: Service Department

5800 W. Touhy Avenue

Niles, IL 60714-4608  U.S.A

.

Outside the United States, return the product to your dealer or Authorized Service Center.
This warranty does not apply in cases of abuse or misuse of the product, use contrary to Shure’s instruction, or unauthorized repair. All implied

WARRANTIES OF MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE are hereby disclaimed and Shure hereby disclaims liabil-

ity for incidental, special, or consequential damages resulting from the use or unavailability of this product.
Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages,

so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state

to state.

Summary of Contents for DFR22E

Page 1: ...DFR22 Audio Processor with Feedback Reduction 27B8813 Rev 200 Shure Incorporated Printed in U S A...

Page 2: ...NE PAS utiliser cet appareil proximit de l eau 6 NETTOYER UNIQUEMENT avec un chiffon sec 7 NE PAS obstruer les ouvertures de ventilation Installer en respectant les con signes du fabricant 8 Ne pas in...

Page 3: ...h input Each input is routed to each output S Preset selector and indicator for up to 16 presets S Control input pins for setting up remote preset volume and mute controls PACKING LIST S Power Cable S...

Page 4: ...ing with a connected computer 10 RS232 Port Connects the DFR22 to a computer 11 POWER LED Illuminates when 100 240 VAC power is is ap plied to the DFR22 Back Panel U S PATENT NO 5 999 631 OTHER PATENT...

Page 5: ...as fixed and will designate the remaining 11 filters as dynamic 3 The preset indicator will display a flashing h If you want Auto Clear to work automatically after a certain number of hours you must u...

Page 6: ...ck The DFR22 will automatically insert a notch filter to attenuate that frequency Once the system stops feeding back you can further raise the level and repeat the process for additional frequencies T...

Page 7: ...put LEDs will flash as shown in Figure 7 The DFR22 is ready to use once the LEDs stop flashing DFR22 INITIALIZATION Figure 7 AUDIO CONNECTIONS NOTE Audio will pass from the inputs to the outputs even...

Page 8: ...ntrol system to the 3 pin RS 232 Phoenix connector on the back panel of the DFR22 as shown in Figure 11 IMPORTANT You CANNOT connect two PCs to the DFR22 at the same time However you CAN connect an AM...

Page 9: ...used for preset control Any remaining pins can then be used to adjust gain or to mute channels The number of pins need ed for preset control depends on the type of control hardware used as well as the...

Page 10: ...ins When using a potentiometer the total resistance of the cable run should be less than 100 ohms When using momentary switches the total resistance of the cable run should be less than 100 ohms NOTE...

Page 11: ...are Kit 90AY8100 12 Block Connector Terminals 3 pin for audio inputs and outputs 2 Block Connector Terminals 10 pin for control inputs and outputs 4 Rackmount Screws and Washers Optional Accessories D...

Page 12: ...IMITED TWO YEAR WARRANTY Shure Incorporated Shure hereby warrants that this product will be free from defects in materials and workmanship for a period of two years from the date of purchase At its op...

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