Shure DFR22 - Manuals - manualsarea.com

Page 2 - defects or other reproductive harm.

! IMPORTANT SAFETY INSTRUCTIONS ! 1. READ these instructions. 2. KEEP these instructions. 3. HEED all warnings. 4. FOLLOW all instructions. 5. DO NOT use this apparatus near water. 6. CLEAN ONLY with dry cloth. 7. DO NOT block any ventilation openings. Install in accordance with the manu-facturer's ...

Page 3 - NOTE; Windows Version; OK

ENGLISH 1 DESCRIPTION The DFR22 Audio Processor with Feedback Reduction is a 2–input, 2–output digital audio processor. It is designed to equalize sound system response, provide dynamics processing and alignment delay, and automatically detect and control acoustic feedback. A built-in 2 X 2 matrix m...

Page 4 - Figure 1; Back Panel; Figure 2

ENGLISH 2 OVERVIEW Front Panel DFR22 FRONT PANEL Figure 1 1. INPUT/OUTPUT Level Meters: – CLIP. Illuminates at 3 dB below clipping level. – 0 VU . +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 softw...

Page 5 - DEFAULT PRESETS; Provides two independent feedback reducers.; dynamic; Establishing the Auto Clear Function.; Press to Lock / Hold to Clear

ENGLISH 3 DEFAULT 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 co...

Page 6 - Feedback Reduction; Figure 3; DFR22 Limitations; Figure 4A; RACK MOUNTING THE DFR22; Figure 5

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 ex...

Page 7 - Figure 6; Initialization; Figure 7; AUDIO CONNECTIONS; DO NOT connect equipment to both the Phoenix; Wiring Connectors; DFR22 PHOENIX CONNECTOR OUTPUTS / INPUTS; Figure 8

ENGLISH 5 POWER AND INITIALIZATION Power Mains Connections Use the supplied power cable to connect the DFR22 Audio Proces- sor to an active 100–240 Vac 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 desig...

Page 8 - 2 dB and 18 dB Output Pads; Figure 9; Shure Link Network; Shure Link IN

ENGLISH 6 12 dB and 18 dB Output Pads Each DFR22 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 met...

Page 9 - DIP Switch Settings for Networked Devices; IMPORTANT: Each Shure Link device MUST have a unique; CONTROL PIN CONNECTIONS; Control Pin; Determining Control Pin Allocations; preset control; Preset Control Connections

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 Table 2 for De- vice ID settings. IMPORTANT: Each Shure Link device MUST have a unique Device ID number. DIP SWITCH SETTINGS FOR NETWOR...

Page 10 - Mute Control Connections; Switch; Gain Control Connections; Potentiometer; AMX / Crestron Control Connections

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 ...

Page 11 - SPECIFICATIONS

ENGLISH 9 SPECIFICATIONS Frequency Response 20 Hz to 20 kHz ± 1 dB Dynamic Range 110 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 +2...

Page 12 - Information to User; LIMITED TWO YEAR WARRANTY

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...