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Coda Audio DNC260 
 

 

 

User Guide version 0.1   

 

 

 

 

 

 

Page 4 of 30 

 

Quick Reference Guide

 ................................................................................................................. 2 

Display ..................................................................................................................... 2

 

Channel Select Buttons ......................................................................................... 2

 

Edit Select Buttons............................................................................................... 2

 

Parameter Knobs ................................................................................................. 2

 

Mute Buttons ...................................................................................................... 2

 

Store Button ....................................................................................................... 2

 

Recall Button ....................................................................................................... 3

 

Important Safety Information ...................................................................................... 6

 

Regulatory Compliance ......................................................................................... 6

 

Thanks and Unpacking ............................................................................................... 7

 

Introduction and Key Features

 .................................................................................................... 8

 

Introduction 

 ......................................................................................................... 8

 

The User Guide .......................................................................................................... 9

 

Front Panel ............................................................................................................. 10

 

Input Signal Indicators ....................................................................................... 10

 

Preset Store and Recall....................................................................................... 10

 

Channel Select Buttons ....................................................................................... 10

 

Edit Select Buttons............................................................................................. 11

 

Text Display ...................................................................................................... 11

 

Parameter Knobs ............................................................................................... 11

 

Output Signal / Limiter Indication ........................................................................ 11

 

Mute Buttons and Status LEDs ............................................................................. 11

 

Secure Button (on the rear) ................................................................................ 11

 

Rear Panel .............................................................................................................. 12

 

Power Inlet ....................................................................................................... 12

 

Network Expansion Port ...................................................................................... 12

 

Audio Input Connectors ...................................................................................... 12

 

Audio Output Connectors .................................................................................... 12

 

Communications Port Connector .......................................................................... 13

 

Operation ............................................................................................................... 14

 

Starting up ....................................................................................................... 14

 

Selecting a Factory Preset ................................................................................... 14

 

Creating a Crossover .......................................................................................... 14

 

Navigation and Viewing Parameters ..................................................................... 15

 

Navigation ........................................................................................................ 15

 

Presets ............................................................................................................. 16

 

Preset Recall ..................................................................................................... 16

 

Preset Store ...................................................................................................... 17

 

DSP Processing layout

 ............................................................................................................... 18

 

Input DSP block diagram .................................................................................... 18

 

Output DSP block diagram .................................................................................. 18

 

Stereo / Mono Formats ....................................................................................... 18

 

DSP processing.................................................................................................. 19

 

Input Channels .................................................................................................. 19

 

Output Channels ................................................................................................ 22

 

Utilities ................................................................................................................... 26

 

EQ and Filter Response Graphs

 ................................................................................................. 27

 

Technical Specification.............................................................................................. 30

 

Summary of Contents for DNC260

Page 1: ...Coda Audio DNC260 Digital Loudspeaker Processor User Guide version 0 1...

Page 2: ...rough the available parameter pages for the current input or output Parameter Knobs Up to three parameters are shown on the display The parameter name is shown with its current value below Where appro...

Page 3: ...eset press the recall button and use parameter knob A to select the required preset Pressing the recall button again will activate the preset You will then be asked to confirm by pressing recall once...

Page 4: ...y 11 Parameter Knobs 11 Output Signal Limiter Indication 11 Mute Buttons and Status LEDs 11 Secure Button on the rear 11 Rear Panel 12 Power Inlet 12 Network Expansion Port 12 Audio Input Connectors 1...

Page 5: ...Coda Audio DNC260 User Guide version 0 1 Page 5 of 30 General 30 Processing 30 Connectors 30...

Page 6: ...s required when the apparatus has been damaged in any way such as the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been expo...

Page 7: ...oda Audio products are carefully engineered for world class performance and reliability If you would like further information about this or any other Coda Audio product please contact us We look forwa...

Page 8: ...f signal processing capability and is complemented by a highly flexible parameter arrangement ideally suited to touring and installation applications The DNC260 may be controlled just as comprehensive...

Page 9: ...o know how to drive the front panel A detailed explanation of the front and rear panel controls and indicators is contained in the next section The final section describes each individual function or...

Page 10: ...nction operates in a similar way pressing the recall button allows the user to select which preset they require pressing the button for a second time then confirming recalls the new DSP settings Note...

Page 11: ...three screen sections The parameter knobs have a fixed association with the screen sections the rightmost parameter knob adjusts the rightmost parameter and so on Output Signal Limiter Indication Two...

Page 12: ...irectly to the chassis and feed the signal processing chains If an unbalanced source is used a connection should be made between the pin 3 cold signal and the ground connection of the unbalanced sourc...

Page 13: ...liant with the ObCom standard Connection will normally be made to the controller via this serial port connector This port is also used for updating the firmware in the unit Note that the communication...

Page 14: ...hidden parameters is depended on the Factory Preset To recall a Factory Preset for a particular cabinet or system press Recall and use the left hand parameter knob A to scroll through the available Fa...

Page 15: ...of the display and so on Turn a knob clockwise to increase the value of a parameter or anti clockwise to decrease it The knobs are velocity sensitive so turning a knob rapidly will cause the action t...

Page 16: ...nel buttons allow you to scroll in either direction through the input and output channels whilst trying to maintain the currently viewed processing block If the channel you scroll to does not have the...

Page 17: ...dicator above it illuminates Turn the first parameter knob until the required Preset location number is show on the display A Preset name of up to 12 characters in length can be entered using paramete...

Page 18: ...o be adapted to a wide variety of applications There are two Formats Mono or Stereo With the Mono format all outputs have unique parameter settings and all outputs are identical in terms of processing...

Page 19: ...Delay 1 50ms a b c a Knob A Delay adjustable in variable steps from 0 to 400ms The delay parameter is adjustable in fine steps at low values the adjustment becomes progressively coarser as the value...

Page 20: ...phase relationships Filter type is selectable from Butterworth Bessel Linkwitz Riley and Hardman Filter slopes of up to 4th order or 24dB octave are provided Not all filter types are available in all...

Page 21: ...ob C Gain 15dB in 0 2dB steps The frequency is specified as point where the filter deviates by 3dB from the gain value Parametric filters In A Freq Width Gain EQ1 100Hz 1 4Q 0 0dB a b c a b c Knob A C...

Page 22: ...adjustable in 0 2dB steps from 80 dB to 20dB Knob B Polarity selectable normal or reversed with reference to other outputs Delay Out1 Delay 1 50ms a b c a Knob A Adjustable in variable steps from 0 to...

Page 23: ...lectable from Butterworth Bessel Linkwitz Riley and Hardman Filter slopes of up to 8th order or 48dB octave are provided Not all filter types are available in all slopes For example 18dB octave Linkwi...

Page 24: ...z to 25 6kHz in variable steps Knob B Slope 6 to 12dB octave in 1dB steps Knob C Gain 15dB in 0 2dB steps The frequency is specified as point where the filter deviates by 3dB from the gain value Out1...

Page 25: ...r is provided on each output Threshold is user adjustable all other parameters are carefully calculated dependant on configuration to provide clean and effective control of signal dynamics Routing Out...

Page 26: ...ontrast utility control sets the base contrast of the screen and also allows optimization for a given viewing angle Parametric equalisation width parameters can be displayed in either Q or bandwidth e...

Page 27: ...Q and Filter Response Graphs 100 1 10 3 1 10 4 36 30 24 18 12 6 0 6 6dB Oct 12dB Oct 18dB Oct 24dB Oct 48dB Oct Butterworth Frequency Hz Magnitude dB 100 1 10 3 1 10 4 36 30 24 18 12 6 0 6 12dB Oct 24...

Page 28: ...ser Guide version 0 1 Page 28 of 30 100 1 10 3 1 10 4 36 30 24 18 12 6 0 6 12dB Oct 24dB Oct Bessel Frequency Hz Magnitude dB 100 1 10 3 1 10 4 36 30 24 18 12 6 0 6 4th Order 8th Order Hardman Frequen...

Page 29: ...age 29 of 30 100 1 10 3 1 10 4 15 10 5 0 5 10 15 Low shelf varying Gain High shelf varying Slope Shelving EQ Frequency Hz Magnitude dB 100 1 10 3 1 10 4 15 10 5 0 5 10 15 Varying Gain Varying Bandwidt...

Page 30: ...B and SUM HP filter frequency Off 20Hz to 25 4kHz 1 36 octave steps LP filter frequency 20Hz to 25 4kHz and off 1 36 octave steps LP HP filter type 12 18 24dB octave Bessel and Butterworth 12 24 and...

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