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Sound Choice Pro Audio DPA-260A User Manual

Digital speaker processor
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User Manual
Described below are the functions of the front panel control buttons and encoders for the DPA-
260A.
•
Getting Started
As soon as the DPA-260A is turned ON the device model name will appear in the LCD screen:
and a status bar will show the progress of the DPA-260A initialization process:
The DPA-260A has three factory pre-set working modes: "2x2 Ways Xover + Sub", "2x3 Ways
Xover" and "6 Ways Xover".
After the initialization, the DPA-260A will show on the LCD the first of the embedded preset
working modes, or the last one selected prior to the unit being turned off.
First time activation will default to the first of the preset working modes.
DPA-260A Digital Speaker Processor
DPA260-A
Speaker Management
DPA260-A
DPA260-A
2x3 WAY X-OVER

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Summary of Contents for Sound Choice Pro Audio DPA-260A

  • Page 1 Described below are the functions of the front panel control buttons and encoders for the DPA- 260A. • Getting Started As soon as the DPA-260A is turned ON the device model name will appear in the LCD screen: DPA260-A Speaker Management and a status bar will show the progress of the DPA-260A initialization process: DPA260-A The DPA-260A has three factory pre-set working modes: “2x2 Ways Xover + Sub”, “2x3 Ways...
  • Page 2 • Encoders and ENTER, ESC buttons The DPA-260A is equipped with 3 Relative Encoders, “NAV/PAR1”, “PM2” and “PM3”, These encoders allow you to navigate the user interface and edit sections of the processor. They allow the user to navigate within the screen for the selection of sub-menus, pages and parameters and to select the values to be assigned during the editing operations.
  • Page 3 MENU “UTILITY MENU” [Access by pushing the “UTILITY” button] NAV/PAR1 Encoder PM2 or PM3 Encoder [to navigate between menus] [to chose option, then ENTER to load it; (*) indicates the selected option] 1 UTILITY MENU:..<< System Utilities >> ENTER SYSTEM UTILITY: System Setup <<...
  • Page 4 MENU “Input A/B” Input Channels Editing [Access by pushing the “A/B” buttons] NAV/PAR1 Encoder NAV/PAR1 Enc. PM2 Enc. PM3 Enc. [to navigate between menus] [to chose values for the parameters, no need to confirm the chosen values, which are automatically loaded during the encoders use] 1.
  • Page 5 MENU “1/2/3/4/5/6 Output Channels Editing” [Access by pushing the “1/2/3/4/5/6” buttons] NAV/PAR1 Encoder NAV/PAR1 Enc. PM2 Enc. PM3 Enc. [to navigate between menus] [to chose values for the parameters, no need to confirm the chosen values, which are automatically loaded during the encoders use] 1.
  • Page 6 6. Output[x] [Name] Source Source = InA ENTER -> Source = InA PAR1 N/A. InA (Channel A) Same as PAR2 InB (Channel B) InA+InB (Channel A+ Channel B) 7. Output[x] [Name] Gain Gain = + 0.0 dB ENTER -> Gain = + 0.0 dB PAR1 N/A -12 db Same as PAR2...
  • Page 7 The operating mode can be chosen from a selection of 3 Xovers options: 2x2 WAY + SUB... in this operating mode, the DPA-260A is performing a 2 Input to 4 Outputs X-Over, plus a SUB configuration, where the 2 Inputs are automatically assigned to...
  • Page 8 6 WAY ..XOVER..in this operating mode, the DPA-260A is performing a Mono Input to 6 Outputs X-Over, where the Input A is automatically assigned to the Outputs as follow: Input A to Outputs 1/2/3/4/5/6 [Out1=Near-1, Out2=Near-2, Out3=Mid-1 and Out4=Mid- –...
  • Page 9 Outputs during the start-up process. FADE-In = On... when the DPA-260A is turned on all Outputs not previously muted before the Unit was switched off will be active, meaning the DPA-260A outputs will be controlled by a volume ramp to avoid any sudden sound.
  • Page 10 SYSTEM UTILITY Ramps on Changes When connected to the DPA-260A by the PC remote control software, it is possible to request sudden parameter changes where the difference between the old parameter and the new one can cause unwanted “click” noises (big differences in volume changes) or “bumps” (big differences in Hp/Lp filters cutting frequency values) as the DSP reconfigures.

  • Page 11: Program Utility

    Program Utilities Sub-menu – this sub-menu allows you to access several options related to the DPA-260A operating mode and to manage the presets stored and recallable within the Unit: UTILITY MENU Program Utilities By pressing the ENTER button and then using the “NAV/PAR1” encoder the following pages can be accessed: Recall a Program: this page allows the Loading of a preset program.
  • Page 12 Save a Program: this page allows you to store a new preset in the DPA-260A’s memory: – PROGRAM UTILITY Save a Program By pressing the ENTER button and rotating the “PM2” or “PM3” encoder, it is possible to scroll through the previously saved presets and the available empty locations (identified by “Empty Memory”).
  • Page 13 [Enter] to Overwrite 10: Stage 1 2x2 If you wish to proceed press “ENTER” again and the DPA-260A will go ahead with the “Set Program Name” page and the subsequent overwrite on completion of the previously described storing process..
  • Page 14 For example, if we want to delete the preset 10, “Stage 1 2x2”, the screen will be the following: [ENTER] to Delete. 10: Stage 1 2x2 Confirming the deletion by pressing “ENTER” again, will force the DPA-260A to erase the selected preset and the following transitory screen will appear: Erasing Xover Memory..10: Stage 1 2x2...
  • Page 15 Security Sub-menu – this sub-menu allows the User to set the parameters shown, lock the DPA-260A and set a Password therefore limiting the unit's functions and controls to those who have access to the appropriate Password. UTILITY MENU Security Utilities Press ENTER and then use the NAV/PAR1 to scroll between options.
  • Page 16 During this editing phase, the display is as follows if we were using “DPA260” as the password: User Password [DPA260] The DPA-260A will exit the “Unit Lock” sub-menu and jump to the “User Password” sub-menu page screen: SECURITY UTILITY Insert Password If the password entered in the “Confirm Password”...
  • Page 17 When a password has been entered you will be able to select the “Enable” option from the menu and the unit will not be accessible for editing. In “Locked by Password Status”, all DPA-260A functions are inhibited to the User, including the use of the Mute A/B and MUTE 1/2/3/4/5/6 buttons.
  • Page 18 Menu “Input A/B” Input Channels Editing [access by pushing the “A/B” buttons] ● From the “Default Screen”, it is possible to access the “Input A/B” menu by pushing the “A” or “B” button. Once the button is pressed the related blue “EDIT” LED will turn ON. The Sub-Menu pages can now be scrolled through by rotating clockwise and counter-clockwise the “NAV/PAR1”...
  • Page 19 BW1.05 0.0dB The DPA-260A allows the user to select either Bell or Shelving Parameters and assign them independently using the 5 available filters. In order to select the filter's type, it is necessary to have the filter's GAIN=0.0dB, then using the PM2 encoder, rotate it “clockwise”...
  • Page 20 BELL Filter: As an example, if we want to set a bell filter within EQ-1, then the BW has to be set at a desired value of say 1.00 using the PM2 encoder, the GAIN at say +3dB using the PM3 encoder and the center Frequency at say 1.00KHz with the NAV/PAR1 encoder.
  • Page 21 “PM3” encoder. Note1: once the desired options have been selected using the 3 encoders, they are automatically saved as current and stored in the DPA-260A system status once leaving the page. Note2: to exit this page, push the “ESC” button.
  • Page 22 Menu “Output 1/2/3/4/5/6” Output Channels Editing [access by pushing the ● “1/2/3/4/5/6” buttons] From the “Default Screen”, it is possible to access the “Output Channel” menu by pressing the “1” or “2” or “3” or “4” or “5” or “6” button. Once pressed, the related blue “EDIT” LED will turn ON. The Sub-Menus pages can now be scrolled through by rotating clockwise and counter-clockwise the “NAV/PAR1”...
  • Page 23 – Note1: once the desired options have been selected using the 2 encoders, they are automatically saved as current and stored in the DPA-260A system status once leaving the page. Note2: to exit this page, push the “ESC” button. LPF sub-menu – from this sub-menu it is possible to set the Output Channels Low Pass Filter (LPF).
  • Page 24 BW1.05 0.0dB The DPA-260A allows the user to select either Bell or Shelving Parameters and assign them independently using the 7 available filters. In order to select the filter's type, it is necessary to have the filter's GAIN=0.0dB, then using the PM2 encoder, rotate it “clockwise”...
  • Page 25 BELL Filter: As an example, if we want to set a bell filter within EQ-1, then the BW has to be set at a desired value of say 1.00 using the PM2 encoder, the GAIN at say +3dB using the PM3 encoder and the center Frequency at say 1.00KHz with the NAV/PAR1 encoder.
  • Page 26 “PM3” encoder. Note1: once the desired options have been selected using the 3 encoders, they are automatically saved as current and stored in the DPA-260A system status once leaving the page. Note2: to exit this page, push the “ESC” button.
  • Page 27 Name page – from this screen it is possible to assign a 6 character name to the Output Channel. The following is an example screen for a “Name” page labeled “Low” for Output Channel 1: Out-1 Name Name = Low To Edit press ENTER on the Name Page and the entering arrow will appear as in the example below: Out-1...
  • Page 28 (Limiter not active) to -10.0dB in steps of 0.2 dB and can be adjusted by rotating the “PM3” encoder. Note1: once the desired options have been selected using the 3 encoders, they are automatically saved as current and stored in the DPA-260A system status once leaving the page. Note2: to exit this page, push the “ESC” button.
  • Page 29 Delay page – from this page it is possible to set the Output Channels Delay Time from 000.0000mS up to 848.9984mS, by steps of 1mS or 20.8uS. To set the Delay time press ENTER an arrow will appear on the left of the screen “->”. then use the “PM2”...
  • Page 30 Input Channels and output Channels LINK Function ● The DPA-260A is able to perform a unique LINK MODE between Input Channels as well as a link between Output Channels to enable quick and immediate editing (you cannot link output to input channels).
  • Page 31 In the event of the password being lost or any other reason the user may require the unit to be reset to the original factory settings, a "Factory Reset" that will clear all settings of the DPA-260A and return the device to the original factory setting, is available to the user.
  • Page 32 RS232/RS485 Remote Control protocol for Presets Changing and Gain/Volume ● controls The following is the HEX Code for controlling the DPA-260A recall presets and master volume control: Preset Changing: CMD_RECALL_PRESET: CMD=1BH A. The User has to send the following Command, including the number of the preset to load on...
  • Page 33 Input Gain and Output Volume Control: UPDATE GAINS-PHASE: CMD=01H A. The User has to send the following Command, including the value to be assigned to “Vol”, for modifying the Input Gain (Chn = 0, 1) or the Output Volume (Chn = 2, 3, 4, 5, 6, 7). Also the Output signal Phase can be modified: ID_M ID_N...
  • Page 34 DPA-260A Technical Specifications ● The DPA-260A Digital Speaker Processor is based on a powerful analog and digital DSP platforms having the following specifications Analog Input Signal: ChA/ChB, Bal. Female XLR Maximum Input Level: +20dBu Analog Output Signal: Ch1/Ch2/Ch3/Ch4/Ch5/Ch6 Bal. Male XLR...