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Manual DPA2655

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1. ENTER button Through the ESC button it is any time possible to go back to the action and page preceding the ENTER button use Once inside the Sub Menus pages the several options can be scrolled and using the PM2 or PM3 encoders and selected confirmed pushing the ENTER button Note In every Sub Menu the option currently selected running will have an asterisk showing to the right of the description on the LCD screen Options that are not selected running will be displayed with NO Asterisk Pushing the ENTER button on an unselected option will mean an asterisk will then appear and this option will now take over as the currently selected running option System Utilities Sub menu this sub menu allows to access several operations related to the DPA2655OR Start Up and General Configuration From the System Utilities Sub menu pushing ENTER and then using the NAV PM1 encoder for scrolling will give access to the following pages System Setup this page allows the selection of the operating mode of the DPA2655QR System Setup The operating mode can be chosen from a selection of 3 Xovers options 2x2 WAY SUB in this operating mode the DPA26550R is performing a 2 Input to 4 Outputs X Over plus a SUB configuration where the 2 Inputs are automatically assigned to the Outputs as follows Input A to Outputs 1 3 Outl Low A and Out3 High A Input B to Outputs 2 4
2. On Amp Amp Amp 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB Type Y Y Peaking_ Eq Hi Shelv_1 Hi Shelv_2 Hi Shelv_Q Lo Shelv_1 Lo Shelv_2 Lo Shelv_Q Lo Pass_1 Lo Pass_2 Lo Pass_Q Hi Pass_1 Hi Pass_2 Hi Pass_Q All Pass_1 All Pass_2 Off Notch Filt Q 0 30 20 00 Q een Q een gt 1000Hz 0 0dB Q 1 00 3 1e If selected a Lo Shelv_ 1 first order Low Shelving filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freq Gain O gt 1000Hz 0 0dB Q 3 1f If selected a Lo Shelv_ 2 second order Low Shelving filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q 3 1g If selected a Lo Shelv_ O variable O Low Shelving filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freg Gain O gt 1000HzZ 0 0dB O 1 00 3 1h If selected a Lo Pass_ 1 first order Low Pass filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freg Gain O gt 1000HZz dB Q 3 1i If selected a Lo Pass_ 2 second order Low Pass filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freq Gain O gt 1000HZ Q 3 11 If selected a L
3. filter then the filter can be set by the following parameters Input A B EQ x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q Freq 20Hz Amp 15 0 dB O 20kHz 15 0 dB 4 1d If selected a Hi Shelv_ O variable O High Shelving filter then the filter can be set by the following parameters Input A B _ EO x up to 5 filters available Freg Gain O gt 1000Hz 0 0dB O 1 00 Freq 20Hz Amp 15 0 dB O 0 30 4 1e If selected a Lo Shelv_ 1 first order Low Shelving filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freg Gain O gt 1000Hz 0 0dB Q 4 1f If selected a Lo Shelv_ 2 second order Low Shelving filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q 4 1g If selected a Lo Shelv_O variable O Low Shelving filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freg Gain O gt 1000HzZ 0 0dB O 1 00 4 1h If selected a Lo Pass_ 1 first order Low Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freg Gain O gt 1000HZz dB Q 4 1i If selected a Lo Pass_2 second order Low Pass filter then the filter can be set by the following parameters Input A B _ EO
4. for the Cells High Cut Frequency and Q settings 2 LTD When within the Filt1 editing Page in example And we can chose a different setting within the Filt2 page The filter s Frequency can be set already within these editing pages using the PM2 encoder but here is for Frequency fine tuning being the Frequency increment decrement done by 1Hz steps For a quick High Cut Frequency setting need to press the ENTER Button for accessing the High Cut Frequency Fast Setting Page High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Notel once the desired options have been selected using the 2 encoders they are automatically Saved as current and stored in the DPA2655QR system status once leaving the page Note2 to exit this page push the ESC button EQ Byp page from this sub menu it is possible to Bypass or to make active the 5 Bands Equalizer placed on the Output Signal Path When Bypassed the 5 Bands Equalizer its current setting will not be lost EQ x sub menu from this sub menu it is possible to set the Output Channels five available Multi Type Filters Anyone of the 5 filters of the Eq can be selected choosingggggggg from the list of filter types shown already at the Input Path section Peaking_Eq
5. gt Y ESC ENTER 2 1a If selected a filter from Buttw_ 1st up to Bessel_ 4th then the filter s Cutting Frequency can be set as follow Output x Name LPF gt Edit Freq 250Hz F 20 0 Hz Thousands Editor Freq 1000Hz 20000Hz 100Hz 2 1b If selected a Custom Filter from 2 up to 4 order depending from the filter s order the cascade od second order Cells building the filter are available for editing in their Freg and O parameter indepndently For proceeding with the editing of a custom filter Cell the PM1 is here used foir the Cell selection So a Cutom Filter can be set in its parameters as follow 2 1b 1 If selected a Custom_ 2nd filter Output x Name LPF gt Custom_ 2nd F 250Hz 2 order Cells selection gt Filtx F 250Hz Q 0 3 2 Ord Cell x x 1 x 1 20kHz 10 00 2 1b 2 If selected a Custom_ 3rd filter Output x Name LPF gt Custom_ 3rd F 250Hz gt Filtx F 250Hz Q 0 3 2 Ord Cell x x 1 x 2 20kHz 10 00 2 1b 3 If selected a Custom_ 4th filter Output x Name LPF gt Custom_ 4th F 250Hz gt Filtx F 250Hz O 0 3 2 Ord Cell x x 1 x 2 20kHz 10 00 Hundreds Editor Freg Freg Freg Freg 100Hz 900Hz 20Hz 20Hz 20Hz Units Editor Freg 1Hz Q 0 05 Q 0 05 O not available Q 0 05 Once editing the Cells Filtx pressing the Enter Button can be accessed also for the Custom Filters the page for the fast fr
6. x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB O 1 00 4 1s If selected a Notch Filt filter then the filter can be set by the following parameters Input A B _ EO x up to 5 filters available Freg Gain O gt 1000Hz dB Q 1 00 Freq Freq Freq Freq Freq Freq Freq Freq Freq Freq Freq Freq Freq 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB O O O O O O O O O O O O O 20 00 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 MENU 1 2 3 4 5 6 Output Channels Editing Access b ushing the 1 2 3 4 5 6 buttons NAV PM1 Encoder NAV PM1 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 Output x Name HPF Y F 20 0 Hz Y Bypass OR Fi
7. 3dB using the PM2 encoder and the High Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Lo Shelv_ 1 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM2 encoders for editing the Filter s High Cut Frequency and Gain High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Lo Shelv_Q Filter These Symmetrical Shelving filters present level of the selected Gain Attenuation at the selected cutting frequency and a slope depending from the chosen Q value If we selected a Low Shelving filter with variable Q within EQ 1 then the GAIN has to be set ata desired value of say 3dB using the PM2 encoder the Q at 3 5 using the PM3 and the Hi Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Lo Shelv_Q Filter s edit screen all
8. Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz HPF sub menu Custom Filters from the sub menu page using the PM2 encoder it is also possible to set the HPF as Custom Filter where this means that the HPF is builded as cascade of lind Order Cells which number is depending from the filter s order and where for each Cell can be set independently the Low Cut frequency and the Q More precisely the available independent parameters for setting are the following 1 Customm_ 2nd builded using 1 IInd order Cell where Low Cut Frequency and O can be set 2 Customm 3rd builded using 2 IInd order Cell where Low Cut Frequency can be set on both the cascaded Cells and the Q on the second one 3 Customm_ 4th builded using 2 IInd order Cell where Low Cut Frequency and the O be set on both the cascaded Cells The following is an example of a HPF sub menu screen with the filter set at 400Hz as Custom_ 4th on Outputl using the name High see later for assigning a Name to the outputs From this Page to access the cascaded IInd order Cells it is necessary to rotate the NAV PM1 encoder Clockwise or Counterclockwise The number of accessible IInd order Cells is depending from the Custom Filter order Custom 2nd will allow the editing of just one IInd order Cell Custom 3rd and Custom 4th the access to 2 lind order Cells 33 In the previous example rotating Clockwis
9. GAIN has to be set at a desired value of say 3dB using the PM2 encoder the Q at 3 5 and the Lo Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Hi Shelv_Q Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Low Cut Frequency Gain and Q Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Lo Shelv_1 2 Filter These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting freguency and a slope of 6dB Oct 38 12dB Oct If we selected a Low Shelving filter of the 1st 2nd order within EQ 1 then the GAIN has to be set at a desired value of say
10. N A 000 0000mS 000 0000mS 1 ms steps 20 8 us steps 848 0000mS 000 9984mS 3 InputA B EQ Byp EQ Bypass Off ESC ENTER gt EQ Bypass Off PM1 N A Off Same as PAR2 On 4 Input A B EQ X X from 1 to 5 Byp Off Type Y Y Peaking_ Eg Hi Shelv_ 1 Hi Shelv_ 2 Hi Shelv_ O Lo Shelv_ 1 Lo Shelv_ 2 Lo Shelv_Q Lo Pass_1 Lo Pass_2 Lo Pass_O Hi Pass_1 Hi Pass_2 Hi Pass_Q All Pass_1 All Pass_2 ESC ENTER Band Pass Notch Filt gt Byp Off Type Y PM1 N A Off Peaking_Eq On Notch Filt Through the PM2 it is possible to Byp the single selected filter Through the PM3 it is possible to select one of the 17 available filters type Once selected the filter Type and NOT in Byp mode pressing again the ENTER button can be accessed the selected filter s editing page 4 1 Input A B EO x X from 1 to 5 gt Byp Off Type Y ESC ENTER 4 1a If selected a Peaking_ Eg filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freg Gain gt 1000Hz 0 0dB O 1 00 Freg 20Hz Amp 15 0 dB O 0 30 20kHz 15 0 dB 20 00 4 1b If selected a Hi Shelv_ 1 first order High Shelving filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q Freg 20Hz Amp 15 0 dB O 20kHz 15 0 dB 4 1c If selected a Hi Shelv_ 2 second order High Shelving
11. Oct If we selected a Low Shelving filter of the 1st 2nd order within EO 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder and the High Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Lo Shelv_ 1 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM2 encoders for editing the Filter s High Cut Frequency and Gain High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Lo Shelv_Q Filter These Symmetrical Shelving filters present level of the selected Gain Attenuation at the selected cutting frequency and a slope depending from the chosen Q value If we selected a Low Shelving filter with variable O within EQ 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder the Q at 3 5 using the PM3 and the Hi Cut Frequency at say 1
12. Out2 Low B and Out4 High B nput A Input B to Outputs 5 6 Out5 Sub A and Out6 Sub B 2x3 WAY XOVER in this operating mode the DPA2655QR is performing a 2 Input to 6 Outputs X Over where the 2 Inputs are automatically assigned to the Outputs as follows Input A to Outputs 1 3 5 Outl Low A Out3 Mid A and Out5 High A Input B to Outputs 2 4 6 Out2 Low B Out4 Mid B and Out6 High B 12 6 WAY XOVER in this operating mode the DPA2655QR 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 Outl Near 1 Out2 Near 2 Out3 Mid 1 and Out4 Mid 2 Out5 Far 1 Out6 Far 2 By pressing ENTER on the System Setup page and rotating the PM2 or PM3 encoder it is possible to select all the available X Over preset modes When the 2x3 WAY XOVER is selected the System Setup page will appear as follows To change the desired operating mode for the DPA2655QR the screen must reflect the xover reguired and then simply pressing the ENTER button will bring up the following screen asking for confirmation to load the selected operating mode y y over TER to confirm If confirmed by pressing ENTER the selected preset mode will load While the device is configuring the Xover the following screen will be appear The new preset mode will now be shown with an asterisk In
13. Outputs or active Outputs during the start up process depending from the Outputs previous status FADE In On when the DPA26550R is turned on all Outputs not previously muted before the Unit was switched off will be active meaning the DPA2655QR outputs will be controlled by a volume ramp to avoid any sudden sound If the option Fade In On is selected the screen will show the following Delay Time Distance this page allows you to select the measurement unit to be used for the Delays Time in milliseconds ms or Distance in meters m Delay Units By pressing ENTER and rotating the PM2 or PM3 encoder it is possible to select the measurement unit to be used for the delay which will be confirmed by pushing the ENTER button The following screen shows the selected delay measurement is Time milliseconds 14 Ramps on changes this page allows you to activate or de activate Fading in and Fading out ramps on the input output volumes when any parameter changes When connected to the DPA2655QR by the PC remote control software it is possible to reguest 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 freguency values as the DSP reconfigures The Fading In and Fading Out ramps eliminate any potential clicks and bumps Th
14. Time R the selectable range of the Peak Limiter s Release Time is from O 1s to 3s in steps of 0 1s and can be adjusted by rotating the PM2 encoder Limiter Active Threshold the selectable range of the Peak Limiter s Threshold is from 20dB Limiter not active to 10 0dB in steps of 0 2 dB and can be adjusted by rotating the PM3 encoder Note The Peak limiter Threshold is defined in Vp due to the fact that with both Sinusoid and Squared wave testing signals the DPA2655QR Peak Limited output Vp Peak Peak Level is the Same and matching the selected one Notel once the desired options have been selected using the 3 encoders they are automatically Saved as current and stored in the DPA2655QR system status once leaving the page Note2 to exit this page push the ESC button 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 gt then use the PM2 encoder to set the Delay Time in steps of 1mS and the PM3 for setting the fine Delay Time in steps of 20 8 microseconds The following is an example screen for the Delay page where the Delay Time of Output Channel lis set to 160 1872mS Polarity page from this page it is possible to set the Output Channels Polarity by using the PM2 or PM3 encoders
15. Vol Phs Phase only if the Chn gt 1 Value 0O 1 where O direct 1 inverse 180 Vol Gains from O to 180 12dB 6dB step 0 1dB B If the command has been properly executed and the Gain Volume modified then the microcontroller will send back to the User eg Crestron AMX Remote Control the same frame used by the command RX STX ID M ID N CMD DO DI D2 D3 D4 D5 D6 D7 ETX FOH C3H XX 01H Chn QOH QOH QOH QOH QOH Phs Vol F7H 50 DPA2655QR Technical Specifications The DPA2655QR Digital Speaker Processor is based on a powerful analog and digital DSP platforms having the following specifications Analog Input Signal Maximum Input Level Analog Output Signal Maximum Output Level Digital Processing DSP A D Converters D A Converters Sampling Frequency S PDIF Stereo Digital Input S N THD N Frequency Response Bypass Power Supply Remote Control ChA ChB Bal Female XLR 20dBu Ch1 Ch2 Ch3 Ch4 Ch5 Ch6 Bal Male XLR 20dBu SAM3716 24bits data x 96 bits coeff AKM5392 24bits AKM4396 24bits 48kHz 32kHz 44 1kHz and 48kHz Sources Accepted 110dBA 0 005 20Hz 20KHZz 1 dB Switching Power Supply USB RS485 51 i Ei i L ey H e iD H ay ie k am H n fi aN E X F x Cor f X r v Ti L L E r cee N MA N U l d P th L Q C j Ca ry ne E 1 D MID ae uu D E LW l EI En O 52
16. blue EDIT LED will turn ON The Sub Menus pages can now be scrolled through by rotating clockwise and counter clockwise the NAV PM1 encoder For parameter editing it is necessary to press ENTER and an arrow will appear on the left of the screen gt Then use the PM2 and PM3 encoders for selecting and setting the parameter values On some parameters that have three independent values you will also need to use the NAV PM1 encoder for example for the filter s parameter setting Note All parameter editing can be done using the NAV PM1 PM2 and PM3 encoders and the current shown value of the selected option is AUTOMATICALLY loaded during the encoders use and stored as the current value once leaving the page Audio Signal Output 1 2 3 4 5 6 Path Block Scheme From Input ToX Over VI outputs o HPF sub menu from this sub menu it is possible to set the Output Channels High Pass Filter Once on the HPF page Pressing the ENTER Button the filter type fields and the Cutting freguency fields become accessible for the filter s type selection and the Cutting Freguency fine setting The available shapes and orders for the High Pass Filter that are accessible by rotating the PM2 encoder are listed below Custom _ 4th Bypass High Pass Filter Bypassed Buttw_ 1st Butterworth Filter 6dB Oct Slope Buttw_ 2nd Butterworth Filter 12dB Oct Slope LRiley_ 2nd Li
17. fine Delay Time in steps of 20 8 microseconds The following is an example screen for the Delay page where the Delay Time of Input Channel A is set to 160 1872mS EQ Byp page from this sub menu it is possible to Bypass or to make active the 5 Bands Equalizer placed on the Input Signal Path When Bypassed the 5 Bands Equalizer its current setting will not be lost EQ x sub menu from this sub menu it is possible to set the Input Channels five available Multi Type Filters Anyone of the 5 filters of the Eg can be selected choosing from the following list of filter types L 2 10 11 12 13 14 15 16 17 Peaking_ Eq Peaking Bell filters adjustable as Center Frequency Gain and Q The DPA2655QR Peaking filters are at constant Q so with Q not depending from the selected Gain value Hi Shelv_1 High Shelving filters of the 1 order These Shelving filter present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 6dB Oct Hi Shelv_ 2 High Shelving filters of the 2 order These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 12dB Oct Hi Shelv_ O Symmetrical High Shelving filters with Variable O These Shelving filters present 12 level of the selected Gain Attenuation at the selected cutting frequency and a Slo
18. gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt ushing the UTILITY button PM2 or PM3 Encoder to chose option then ENTER to load it indicates the selected option System Setup Setup 2x2 WA SUB Setup 2x3 WAY XOVER Setup 6 WAY XOVER Input Routing Source Analog be Source Digital Power On Procedure Fade In On Fade In Off Delay Units Unit Time ms Unit Distance m Ramps on changes Ramps Off Ramps On Software Version Version V1 01 Recall a Program Ol Preset 01 24 Preset 24 Save a Program Ol Preset 01 24 Preset 24 Delete a Program Ol Preset 01 24 Preset 24 Interface Setup Source USB Source RS485 Parameter will be shown not be shown Lock Unit Lock Off Lock On User Password Enable Password For the details about the Password Password Enable and Unit Lock refer to the Password Disable Section MENU Input A B Input Channels Editing Access b ushing the A B buttons NAV PM1 Encoder NAV PM1 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 InputA B Gain Gain 0 0 dB ESC ENTER gt Gain 0 0 dB PM1 N A 12 db Same as PAR2 6 dB 2 Input A B Delay Delay 0 000 ms ESC ENTER gt Delay 0 000 ms PM1
19. the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s High Cut Frequency Gain and Q High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Low Pass 1 2 Filter These Low Pass filters present 3dB at the selected cutting frequency and a slope of 6dB Oct 12dB Oct 39 If we selected a Low Pass filter of the 1st 2nd order within EQ 1 then High Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Low Pass 1 2 Filter s edit screen the NAV PM1 encoder can be used for editing modifying the Filter s High Cut Freguency High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of
20. x up to 5 filters available Freq Gain O gt 1000Hz Q 4 11 If selected a Lo Pass_Q variable O Low Pass filter then the filter can be set by the following parameters Input A B EQ x up to 5 filters available Freq Gain Q gt 1000Hz Q 1 00 4 1m If selected a Hi Pass_1 first order High Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain Q gt 1000HZ dB Q 4 1n If selected a Hi Pass_ 2 second order High Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain Q gt 1000Hz Q 4 1o If selected a Hi Pass_Q variable O High Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain O gt 1000HZz Q 1 00 4 1p If selected an All Pass_1 first order All Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freq Gain Q gt 1000HZz dB Q 4 1g If selected an All Pass_ 2 second order variable O All Pass filter then the filter can be set by the following parameters Input A B EO x up to 5 filters available Freg Gain O gt 1000HZz Q 1 00 4 1r If selected a Band Pass filter then the filter can be set by the following parameters Input A B _ EO
21. 000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Lo Shelv_Q Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s High Cut Frequency Gain and O High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 27 Low Pass 1 2 Filter These Low Pass filters present 3dB at the selected cutting frequency and a slope of 6dB Oct 12dB Oct If we selected a Low Pass filter of the 1st 2nd order within EO 1 then High Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Low Pass 1 2 Filter s edit screen the NAV PM1 encoder can be used for editing modi
22. 00Hz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EO sub menu screen will show the following Once in the High Pass O Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Low Cut Frequency and O Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 29 All Pass 1 Filter Filters allowing a FLAT Amplitude response and adding a 90 Degree Phase rotation at the selected Frequency If we selected a All Pass filter of the 1st order within EQ 1 then Phase Rotation Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the All Pass 1 Filter s edit screen the NAV PM1 encoder can be used for editing modifying the Filter s Phase Rotation Frequency Phase Rotation Frequency the selectable frequencies range is from 20
23. 1 9 Output x Name RMS Cmp Rto 1 1 A 5ms R 0 2s Kn 2 ESC ENTER gt A 5ms R O 2s Kn 2 Knee Hard 00 Soft 100 10 Output x A ESC ENTER gt A 5ms R 0 2s 20dB Amp 10 0 dB Name Limiter 5ms R 0 2s 20dB 20 0dB OFF 11 Output x Name Delay Delay 0 000 ms ESC ENTER gt Delay 000 0000mS 12 Output x ESC ENTER gt Polarity Normal Name Polarity Polarity Normal 0 000 ms PM1 N A Level Limiter Act RMS Cmp Act Same as PAR2 For Editing the Device s Name refer to the Details on the Utility PM1 N A InA Channel A Same as InB Channel B InA InB Channel A Channel B PM1 N A 12 db Same as 6 dB PM1 N A Threshold 20 0dBu 10 0dBu Atk time 5ms Rel time O 1s 200ms 3 0s Atk time 5ms Rel time O 1s 200ms 3 0s PM1 N A 000 0000mS 1 ms steps 20 8 us steps 848 0000mS 000 9984mS PM1 N A Normal Same as PAR2 Invert 11 e Menu UTILITY access by pushing the UTILITY button From the Default Screen it is possible access the UTILITY menu pushing the UTILITY button and the Sub Menus pages can be selected just rotating clockwise and counter clockwise the NAV PM1 encoder Once selected the sub menu page using the ENTER button can be accessed the Sub Menus pages again scrollable using the NAV PM1 encoder and accessible for the parameters editing pushing again the
24. 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Freguency Fast Setting Here the NAV PM1 encoder will increment decrement the Freguency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Low Pass O Filter The Gain of these Low Pass filters can be modified at their cutting frequency corner depending from the value assigned to the O parameter If we selected a Low Pass filter with variable O within EQ 1 then High Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EO sub menu screen will show the following Once in the Low Pass O Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s High Cut Frequency and O High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by s
25. AY X OVER From this point sub menus are accessed using the UTILITY A B 1 2 3 4 5 6 ENTER and ESC buttons and all parameters and values are navigated by the NAV PM1 PM2 and PM3 encoders Please refer to the following menu structures MENU UTILITY MENU Access b NAV PM1 Encoder to navigate between menus lt lt System Utilities gt gt ESC ENTER ESC 1 1 SYSTEM UTILITY lt lt t t System Setup ENTER ESC 1 2 SYSTEM UTILITY lt lt Input Routing ENTER ESC 1 3 SYSTEM UTILITY lt lt Power On Procedure ENTER ESC 1 4 SYSTEM UTILITY lt lt Del it elay Units ENTER ESC 1 5 SYSTEM UTILITY lt lt R h amps on changes ENTER ESC 1 6 SYSTEM UTILITY lt lt Software Version ENTER 2 UTILITY MENU lt lt Program Utilities gt gt ESC ENTER ESC 2 1 PROGRAM UTILITY lt lt Recall a Program ENTER ESC 2 2 PROGRAM UTILITY lt lt P Save a Program ENTER ESC 2 3 PROGRAM UTILITY lt lt Delete a Program ENTER 3 UTILITY MENU lt lt Interface Utilities gt gt ESC ENTER ESC 3 1 INTERFACE UTILITY I nterf t nterface Setup ENTER 4 UTILITY MENU lt lt Security Utilities gt gt ESC ENTER ESC 4 1 SECURITY UTILITY h P t Show arameter ENTER 4 2 SECURITY UTILITY ESC Lock Unit ENTER 4 3 SECURITY UTILITY ESC User Password ENTER 4 4 SECURITY UTILITY E Setting Enable Enable Password ENTER Utility Menus Use
26. 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 If no user presets are stored the Delete a Program screen will show empty memory locations for all 1 24 presets as shown in the example below for location 10 Delete a Program 10 Empty Memory If Presets are available they will be shown in the Delete a Program page as follows Delete a Program 10 Stage 1 2x2 By using the PM2 or PM3 encoder it is possible to select a preset to be deleted Pressing the ENTER button on a selected preset will bring up the Enter to Delete page showing the selected preset 18 For example if we want to delete the preset 10 Stage 1 2x2 the screen will be the following to Delete Stage 1 2x2 Confirming the deletion by pressing ENTER again will force the DPA2655QR to erase the selected preset and the following transitory screen will appear Delete a Program Note At any time it is possible to quit the deleting action by pressing the ESC button Interface Utilities Sub menu this sub menu allows you to define the remote control interface USB or RS485 to be used for controlling the DPA2655QR Interface Utilities From Interface Utilities press ENTER to access the Interface Setup Interface Setup this screen a
27. Hi Shelv_1 Hi Shelv_2 Hi Shelv_Q Lo Shelv_1 Lo Shelv_2 Lo Shelv_ O Low Pass_1 Low Pass 2 Low Pass O High Pass_1 High Pass_2 High Pass _ O All Pass 1 All Pass_ 2 Band Pass Notch Filt More the DPA2655Q R Is giving the possibility to Bypass any single filter of the 5 available in the Equalizer section Once in the editing page of the single filter a Byp field is available for making the single filter active or not Pushing the Enter Button the above window will allow the access to the Byp and Type fields Using the PM2 encoder the selected Filter can be activated or bypassed The DPA2655QR allows the user to select anyone of the filter s type listed above and assign them independently using the 5 available filters In order to select the filter s type it is necessary to use the PM3 encoder rotate it clockwise or counter clockwise to select the desired filter So in order to define the filter type for the filter number 1 x 1 it is necessary from the above screen to select the filter which name will appear on the screen If selected a Peaking_Eg filter then the display will be as follow Once selected the desired Filter Type its parameters can be accessed for editing just pressing again the ENTER Button Once pressed the ENTER Button the editing page of the selected filter type will be accessed ONLY If the selected filter it is not set in Bypass mode Depending from t
28. Hz 2 order Cells selection gt Filtx F 250Hz Q 0 3 2 Ord Cell x x 1 Freq 20Hz Q 0 05 x 1 20kHz 10 00 1 1b 2 If selected a Custom_ 3rd filter Output x Name HPF gt Custom_ 3rd F 250Hz gt Filtx F 250Hz Q 0 3 2 Ord Cellx x 1 Freq 20Hz Q 0 05 l LO not available x 2 20kHz 10 00 1 1b 3 If selected a Custom_ 4th filter Output x Name HPF gt Custom_ 4th F 250Hz gt Filtx F 250Hz Q 0 3 2 Ord Cell x x 1 Freq 20Hz Q 0 05 x 2 20kHz 10 00 Once editing the Cells Filtx pressing the Enter Button can be accessed also for the Custom Filters the page for the fast frequency setting as available for the NOT Custom Filters and which way of working is described at the point 1 1a 2 Output x Name LPF Y F 20 0 Hz Y Bypass OR Filter Type Order where filter type can be Buttw_ 1st Buttw_ 2nd LRiley_ 2nd Bessel_ 2nd Buttw_ 3rd Buttw_ 4th Lriley_ 4th Bessel_ 4th ESC ENTER Custom_ 2nd Custom_ 3rd Custom_ 4th gt Y F 20 0 Hz Freq Fast Selection Filt Type Bypass Freq 20Hz ONLY in Freq Editing Mode 7 Custom_ 4th 20kHz Through the PM2 it is possible to Bypass the filter or to select one of the 11 available filters type orders and through the PM3 to set the HP cutting Frequency quick fine tuning by 1Hz steps Once selected the filter Type and pressing again the ENTER button can be accessed the selected filter s Fast Freq Selection page 2 1 Output x Name LPF
29. Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz All Pass 2 Filter Filters allowing a FLAT Amplitude response and adding a 180 Degree Phase rotation at the selected Frequency If we selected a All Pass 2 filter with variable O within EO 1 then Phase Rotation Frequency has to be set at a desired value of say LOOOHz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EQ sub menu screen will show the following Once in the All Pass 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Phase Rotation Frequency and O Phase Rotation Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Freq
30. ITY button allows the User to enter the Sub menus and set the general characteristics of the Processor The A and B buttons allow the User to enter the Editing Menus of the Processor s Input Channels and buttons 1 2 3 4 5 and 6 allow the User to enter the Editing Menus of the Processor s Output Channels The A and B buttons as well as the 1 2 3 4 5 and 6 buttons have double functions dependent on the push and hold time When the A and B buttons are pushed and held for more than one second Input Channels A or B are either muted or unmuted The red LED will illuminate when the Channel is muted When the MUTE LED is OFF then the related Input Channel is UN MUTED A momentary push of the A and B buttons enters the Editing Mode for the Input Channels see later for the Input Channel Editing details The blue EDIT LED will now be ON When the 1 2 3 4 5 and 6 buttons are pushed and held for more than one second the Output Channels 1 2 3 4 5 and 6 are either muted or unmuted The red LED will illuminate when the Channel is muted When the MUTE LED is OFF then the related Output Channel is UN MUTED A momentary push of the 1 2 3 4 5 and 6 buttons enters the Editing Menu for the Output Channels see later for the Output Channel Editing details The blue EDIT LED will now be ON DPA2655QR Menu and Sub Menu Structures As stated above the start up default screen is the following factory preset 2x3 W
31. If we selected a Notch Filt filter within EO 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder and the Notch Frequency at say 1 00KHz with the NAV PM1 encoder the EO sub menu screen will show the following Once in the Notch Filt Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Notch Frequency and O Notch Frequency the selectable frequencies range is from 20Hz to 20kKHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Notel once the desired options have been selected using the 3 encoders they are automatically saved as current and stored in the DPA2655QR system status once leaving the page Note2 to exit this page push the ESC button Vu Meter page from this page it is possible to select what is shown on the Output LED meters by using the PM2 or PM3 encoders The outputs LED meters can show the Output signal LEVEL the Output RMS Compress
32. M2 by steps of one hundred Hz and the PM3 by steps of one Hz 25 Hi Shelv_1 2 Filter These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 6dB Oct 12dB Oct If we selected a High Shelving filter of the 1st 2nd order within EQ 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder and the Lo Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Hi Shelv_ 1 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM2 encoders for editing the Filter s Low Cut Frequency and Gain Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Hi Shelv_Q Filter These Symmetrical Shelving filters present level of the selected Gain Attenuation at the selected cutting frequenc
33. PM1 encoder Release Time R the selectable range of the RMS Compressor s Release Time is from 0 1s to 3s in steps of O 1s and can be adjusted by rotating the PM2 encoder Hard Soft Knee the selectable range of the RMS Compressor s Knee type Is from 000 Hard up to 100 Soft and can be adjusted by rotating the PM3 encoder Peak Limiter sub menu from this page it is possible to set the Output Channels Peak Limiter The following is an example screen for the Peak Limiter page where the Attack Time of the Peak Limiter is set at 5ms the Release Time is set at 0 2Sec and the Peak Limiter Active Threshold is set at 15dB Limiter Once pushing ENTER the Peak Limiter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Peak Limiter s Attack Time A Release Time R and Active Threshold Once pushing ENTER the above screen will change as follows Out 1 Name Limiter 46 The Attack Time A can be edited using the NAV PM1 encoder the Release Time R the PM2 encoder and the Peak Limiter Active Threshold the PM3 encoder Attack Time A the selectable range of the Peak Limiter s Attack Time is from 5ms to 200ms in steps of lms from 5ms to 20ms then 5ms from 20ms to 30ms then 10ms from 30ms to 100ms and 20ms from 100ms to 200ms The Limiter s Attack Time can be adjusted by rotating the NAV PM1 encoder Release
34. QR s microcontroller will check if the Preset is initialized available or not yet created B If YES then the microcontroller will send back to the User eg Crestron AMX Remote Control the same frame used by the command RX STX IDM ID_N CMD DO D1 D2 D3 D4 D5 D6 D7 ETX FOH C3H XX 1BH NPreset QOH QOH QOH QOH QOH QOH QOH F7H So in this case if the user gets back EXACTLY what was sent the preset is existing and loaded on the unit C If the preset that the user wanted to load is NOT YET INITIALIZED not yet created so not available the microcontroller will notify that to the user sending back the following frame RX STX ID M ID N CMD DO DI D2 D3 D4 D5 D6 D7 ETX FOH C3H XX 1BH FFH QOH QOH QOH QOH QOH QOH QOH F7H Input Gain and Output Volume Control UPDATE GAI NS 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 O 1 or the Output Volume Chn 2 3 4 5 6 7 Also the Output signal Phase can be modified TX STX IDM IDN CMD DO D1 D2 D3 D4 D5 D6 D7 ETX FOH C3H XX 01H Chn 00H 00H 00H 00H 00H Phs Vol F7H XX 0 31 ID device Chn 0 7 Channel selected O 1 In1 In2 2 7 0ut1 Out6 when Channel O 1 selected then Vol I nput Gain when Channel 2 3 4 5 6 7 selected then Vol Output
35. The polarity can be Normal or Inverted which means rotated of 180 Degrees The following is an example of a Polarity screen where the Polarity of Output Channel 1 is set to Normal Out 1 Name Polarity o Input and Output Channels Last Edited Parameter Return Function Once you have escaped out of parameter editing within the individual Input or Output channels the DPA2655QR will remember this last editing action on that Channel When you return for your next editing action pressing the EDIT button on that channel will immediately return you to the screen related to this last editing action 47 This function makes fine tuning or modifying easier when it is necessary to make a number of adjustments to the same parameter in a short time sequence e Input Channels and output Channels LINK Function The DPA26550R 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 To link channels when editing you will need to select a Master channel that will be the one to be edited and have it s parameters displayed on the LCD screen You can then select and link other channels Slaves that you wish to apply the same changes to To enter a link mode session select the Master channel Edit mode then link the Slaves by pressing their related Edit buttons All Linked channels will be selecte
36. User s Manual Version 2 0 C3A Professional sound processor DPA2655QR Speaker Management Catalog SS ee ee ee sen ae Pagel Safety Instructions St ee a Page2 DPA2655OR Speaker Management esse eee e e e e e e r r Page3 b52 bl Fr NL Rt i LE SL RT Page53 IMPORTANT SAFETY INSTRUCTIONS A Note in order to ensure safety please read these instructions carefully All safety and operating instructions should be read before the product is operated A Attention To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Ventilation O Objects or liquid entry z inside the unit any ventilation Be careful that no objects openings fall or liquid is spilled inside the unit through ventilation openings El Cleaning if L Clean only with dr j ES r a cloth i i Humidity The unit should far yg El Heat sources away form water ee i r Do not install near any heat sources such as radiators stoves or other apparatus that Maintenance Refer all servicing to qualified service personnel To prevent the risk of shock do c Power cord proctecion not attempt to service SSS this equipment 7 yourself because opening or removing covers may expose you to dangerous voltage or other hazards Protect the power cord from being walked on or pinched particularly at plugs Overload To Power plug s
37. ange of the RMS Compressor s Ratio is from 1 1 Off up to 32 1 Lim in steps of 1 and can be adjusted by rotating the PM3 encoder Note The RMS Compressor Threshold is defined in dBu due to the fact that with both Sinusoid and Squared wave testing signals the DPA2655QR compressed output dBu RMS Level is the Same and matching the selected one 45 RMS Cmp sub menu 2 2 from this page it is possible to set the Attack Time Release Time and Knee type of the Output Channels RMS Compressor The following is an example screen for the Limiter page where the Attack Time of the RMS Compressor is set at 5ms the Release Time is set at 0 2Sec and the Knee type is at the 50 between the HARD 000 and the SOFT 100 one Once pushing ENTER the RMS Compressor s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the RMS Compressor s Attack Time A Release Time R and Knee type Once pushing ENTER the above screen will change as follows The Attack Time A can be edited using the NAV PM1 encoder the Release Time R the PM2 encoder and the Knee type the PM3 encoder Attack Time A the selectable range of the RMS Compressor s Attack Time is from 5ms to 200ms in steps of 1ms from 5ms to 20ms then 5ms from 20ms to 30ms then 10ms from 30ms to 100ms and 20ms from 100ms to 200ms The Limiter s Attack Time can be adjusted by rotating the NAV
38. ass O Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Low Cut Frequency and O Low Cut Frequency the selectable frequencies range is from 20Hz to 20KkHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz All Pass 1 Filter Filters allowing a FLAT Amplitude response and adding a 90 Degree Phase rotation at the selected Frequency If we selected a All Pass filter of the 1st order within EO 1 then Phase Rotation Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EO sub menu screen will show the following Once in the All Pass 1 Filter s edit screen the NAV PM1 encoder can be used for editing modifying the Filter s Phase Rotation Frequency 41 Phase Rotation Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once m
39. ct Slope Buttw_ 4th Butterworth Filter 24dB Oct Slope LRiley_ 4th Linkwitz Riley Filter 24dB Oct Slope Bessel_ 4th Bessel Filter 24dB Oct Slope _ Custom 2nd IInd Order Filter Cell with editable Cutting Frequency and O _ Custom 3rd Cascade of 2 IInd Order Filter Cells with editable Cutting Frequency on both and O on the second one 34 _ Custom 4th Cascade of 2 IInd Order Filter Cells with editable Cutting Frequency and O on both of them LPF sub menu Standard Filters from the sub menu page using the PM2 encoder it is possible to set the LPF in Bypass or as one of the 8 Standard Filters Buttw_lst Buttw_2nd LRiley_2nd Bessel_2nd Buttw_3rd Buttw_4th LRiley_4th Bessel 4th The following is an example of a LPF sub menu screen with the filter set at 400Hz as 24dB Linkwitz Riley on Outputl using the name Low see later for assigning a Name to the outputs The filter s Freguency can be set already within this editing page using the PM3 encoder but here is for Frequency fine tuning being the Frequency increment decrement done by 1Hz steps For a guick High Cut Freguency setting need to press the ENTER Button for accessing the High Cut Freguency Fast Setting Page High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundre
40. d Hz and the PM3 by steps of one Hz LPF sub menu Custom Filters from the sub menu page using the PM2 encoder it is also possible to set the LPF as Custom Filter where this means that the LPF is builded as cascade of lind Order Cells which number is depending from the filter s order and where for each Cell can be set independently the High Cut freguency and the O More precisely the available independent parameters for setting are the following 1 Customm_ 2nd builded using 1 IInd order Cell where High Cut Frequency and O can be set 2 Customm 3rd builded using 2 IInd order Cell where High Cut Frequency can be set on both the cascaded Cells and the Q on the second one 3 Customm_ 4th builded using 2 IInd order Cell where High Cut Frequency and the O be set on both the cascaded Cells The following is an example of a LPF sub menu screen with the filter set at 400Hz as Custom_ 4th on Outputl using the name Low see later for assigning a Name to the outputs From this Page to access the cascaded IInd order Cells it is necessary to rotate the NAV PM1 encoder Clockwise or Counterclockwise The number of accessible IInd order Cells is depending from the Custom Filter order Custom 2nd will allow the editing of just one IInd order Cell Custom 3rd and Custom 4th the access to 2 lind order Cells In the previous example rotating Clockwise the NAV PM1 encoder we can access the Filt1 Cell1 and Filt2 Cell2 pages
41. d ready for adjustment when their Blue LED is lit in the Editing mode Now all Slave channels and only those selected will modify their parameters accordingly as you edit the Master channel All other existing parameters will stay the same within the Slave Channels unless edited by this link with the Master channel Note The LINK function is NOT a COPY function If we want to edit the limiter of the Output channels 1 2 4 we can enter the editing mode of Output Channel 1 by pressing the related Edit button and turning on the Blue LED below the Output Channel 1 LED meters This assigns the role of Master and displays this channel s parameters on the LCD Out Name Limiter Then press the Edit button of Output Channels 2 4 turning on their related Blue LED s Now all parameters edited on Output Channel 1 will also be applied to channels 2 and 4 If we want to remove one of the linked channels from the Link press the related Edit button Exiting the editing of the Master channel during a Link session will automatically terminate that session The Link will also be automatically terminated if during the editing of Output Channels you jump across to begin editing an Input channel or vice versa o Factory Reset In the event of the password being lost or any other reason the user may reduire the unit to be reset to the original factory settings a Factory Reset that will clear all settings of the DPA2655QR and ret
42. e editing page of the selected filter type will be accessed ONLY if the selected filter it is not set in Bypass mode Depending from the selected filter the related parameters will be available for editing Peaking_ Eg Filter Peaking filters are at constant O so with O not depending from the selected Gain value If we selected a Peaking_ Eg filter within EO 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder the GAIN at say 3dB using the PM2 encoder and the center Frequency at say 1 00KHz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Peaking_Eg Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Center Frequency Gain and O Center Frequency the selectable frequencies range is from 20Hz to 20kKHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable Gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the P
43. e it is necessary to NOT connect the Main Ground to the Chassis in order to avoid GND loops This is possible using the MAIN GND LIFT switch When the switch is positioned on GND the Main Power Supply GND is connected to the Chassis USB RS485 LIFT GND Switch When using a USB or RS485 remote control connection can be that the GND of the USB or RS485 cable it is not connected to the remote controller GND In this case it is necessary to provide it from the processor s side and this can be done selecting the GND position with the USB RS485 switch On the other hand if the GND of the USB RS485 cable is already connected to the remote controller GND to connect the same ground also to the GND of the processor could create GND loops or generate GND noises In this case the switch on the position Lift will leave the cable GND not connected to the chassis of the DPA2655QR 6 USB RS485 Remote Control protocol for Presets Changing and Gain Volume controls The following is the HEX Code for controlling the DPA2655QR 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 the unit 49 TX STX IDM ID_N CMD DO D1 D2 D3 D4 D5 D6 D7 ETX FOH C3H XX 1BH NPreset QOH QOH QOH OOH QOH OOH QOH F7H XX O 31 ID device Npreset 0O 23 Presetnumber The DPA2655
44. e the NAV PM1 encoder we can access the Filt1 Cell1 and Filt2 Cell2 pages for the Cells Low Cut Frequency and Q settings When within the Filt1 editing Page in example The filter s Frequency can be set already within these editing pages using the PM2 encoder but here is for Frequency fine tuning being the Frequency increment decrement done by 1Hz steps For a quick Low Cut Frequency setting need to press the ENTER Button for accessing the Low Cut Frequency Fast Setting Page Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHz Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz LPF sub menu from this sub menu it is possible to set the Output Channels Low Pass Filter Once on the LPF page Pressing the ENTER Button the filter type fields and the Cutting frequency fields become accessible for the filter s type selection and the Cutting Frequency fine setting The available shapes and orders for the Low Pass Filter that are accessible by rotating the PM2 encoder are listed below Bypass Low Pass Filter Bypassed _Buttw 1st Butterworth Filter 6dB Oct Slope Buttw_2nd Butterworth Filter 12dB Oct Slope LRiley_ 2nd Linkwitz Riley Filter 12dB Oct Slope Bessel 2nd Bessel Filter 12dB Oct Slope Buttw_ 3rd Butterworth Filter 18dB O
45. ed to use the NAV PM1 encoder eg filter parameter settings Note All parameter editing can be done using the NAV PM1 PM2 and PM3 encoders and the current shown value of the selected option is AUTOMATICALLY loaded during the encoders use and stored as the current value once leaving the page is AUTOMATICALLY loaded during the encoders use and stored as current value once left the page Notel once the desired options have been selected using the 3 encoders they are automatically Saved as current and stored in the DPA2655QR system status once leaving the page Note2 to exit this page push the ESC button Audio Signal Input A B Path Block Scheme Gain page from this screen it is possible to set the Input Channels Level from 12dB to 6dB press ENTER an arrow will appear on the left of the screen gt then use the PM2 or PM3 buttons The value set on this screen will only affect the input level of the selected Channel A or B The following is an example screen for the Gain page that has set the Gain of Input Channel A to rFO OdB Delay page from this page it is possible to set the Input 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 gt then use the PM2 encoder to set the Delay Time in steps of 1mS and the PM3 for setting the
46. eguency setting as available for the NOT Custom Filters and which way of working is described at the point 1 1a 3 Out x EO x X from 1 to 5 Byp Off Band Pass Notch Filt ESC ENTER gt Byp Off Type Y Peaking_ Eg Through the PM2 it is possible to Byp the single selected filter Through the PM3 it is possible to select one of the 17 available filters type Once selected the filter Type and NOT in Byp mode pressing again the ENTER button can be accessed the selected filter s editing page 3 1 Out x gt ESC ENTER 3 1a If selected a Peaking_ Eq filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available EQ x X from 1 to 5 Byp Off Type Y Freq Gain Q gt 1000Hz 0 0dB Q 1 00 Freq 20Hz 20kHz 3 1b If selected a Hi Shelv_1 first order High Shelving filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q Freq 20Hz 20kHz 3 1c If selected a Hi Shelv_2 second order High Shelving filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q Freq 20Hz 20kHz 3 1d If selected a Hi Shelv_Q variable Q High Shelving filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q PM1 N A
47. fying the Filter s High Cut Freguency High Cut Frequency the selectable frequencies range is from 20Hz to 20KkHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Freguency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Low Pass O Filter The Gain of these Low Pass filters can be modified at their cutting frequency corner depending from the value assigned to the O parameter If we selected a Low Pass filter with variable O within EQ 1 then High Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EO sub menu screen will show the following Once in the Low Pass O Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s High Cut Frequency and O High Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible
48. gned to Output Out 1 Name Source Channel l After pressing ENTER an arrow will appear on the left of the screen gt the Input can be selected by rotating either the PM2 or PM3 encoders A4 Gain page from this screen it is possible to set the Output Channels Level from 12dB to 6dB press ENTER an arrow will appear on the left of the screen gt then use the PM2 or PM3 buttons The value set on this screen will only affect the input level of the selected Channel 1 2 3 4 5 6 The following is an example screen for the Gain page where the Gain of the Output Channel 1 is set to 0 0dB RMS Cmp sub menu 1 2 from this page it is possible to set the Threshold and Ratio parameters of the Output Channels RMS Compressor The following is an example screen for the RMS Compressor 1 2 page where the Threshold of the RMS Compressor is set at 5dBu and the Ratio at 2 1 Once pushing ENTER the RMS Compressor s parameters can be modified using the PM2 and PM3 encoders for editing the Threshold and the Ratio Once pushing ENTER the above screen will change as follows As said the Threshold and Ratio can be edited using the PM2 and PM3 encoders Threshold the selectable range of the RMS Compressor s Threshold is from 20dBu OFF to 10dBu in steps of 0 2dBu The Threshold can be adjusted by rotating the PM2 encoder Ratio the selectable r
49. he device s memory The user can now decide to lock the DPA2655OR by Password inhibiting the access to ALL processor functions depending on the setting of the parameter Password Enable Disable explained in the following paragraph Note originally the DPA2655QR is initialized with a default Password which value is 000000 value that can be anytime reset with a Factory Reset see Factory Reset procedure 21 Enable Password from the Enable Password sub menu Password Disable Once a Password has been entered into the DPA2655QR through the steps described in the previous paragraph it is possible to Enable or Disable the password function and therefore lock the DPA2655QR restricting access to all functions 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 DPA2655QR functions are inhibited to the User including the use of the Mute A B and MUTE 1 2 3 4 5 6 buttons The only access available is to the parameters of the input output channels accessible by pressing the edit button ONLY to READ the values no editing possible if the be shown flag in the Show Parameter Sub Menu has been selected Once Locked by Password the keylock icon will appear on the default LCD screen and no menu pages will be accessible with the exception of
50. he selected filter the related parameters will be available for editing Peaking_ Eg Filter Peaking filters are at constant O so with O not depending from the selected Gain value If we selected a Peaking_ Eg filter within EO 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder the GAIN at say 3dB using the PM2 encoder and the center Freguency at say 1 00KHz with the NAV PM1 encoder the EO sub menu screen will show the following Once in the Peaking_Eg Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Center Frequency Gain and O Center Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable Gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder O the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Hi Shelv_1 2 Filter These Shelving filters present 3dB less than the se
51. hould p not overload SS DPA2655QR _ Digital Speaker Processor User Manual i W 1 Be 7 rw bi 7 MR gt DPA26550 R eer A ont ese unut pet 4 a a ca en Described below are the functions of the front panel control buttons and encoders for the DPA2655QR Getting Started As soon as the DPA2655QR is turned ON the device model name will appear in the LCD screen Speaker Management and a status bar will show the progress of the DPA2655QR initialization process DPA2655Q R The DPA2655QR has three factory pre set working modes 2x2 Ways Xover Sub 2x3 Ways Xover and 6 Ways Xover After the initialization the DPA2655QR 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 6 Encoders and ENTER ESC buttons The DPA2655QR is equipped with 3 Relative Encoders NAV PM1 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 The ENTER and ESC buttons allow the user to confirm or NOT confirm the operations performed by the encoders UTI LI TY A B and 1 2 3 4 5 6 buttons The UTIL
52. is function can be de activated when the unit needs to be used in live conditions and small parameter adjustments are requested on the fly during live performance The following screen shows the Fading ramps function is Off and therefore de activated Software Version this page allows you to confirm the Software Version running on the DPA2655QR Software Version The correct Software Version is V1 00 15 Program Utilities Sub menu this sub menu allows you to access several options related to the DPA2655QR operating mode and to manage the presets stored and recallable within the Unit Program Utilities By pressing the ENTER button and then using the NAV PM1 encoder the following pages can be accessed Recall a Program this page allows the Loading of a preset program You can store up to 24 presets in the DPA2655QR memory Recall a Program By pressing ENTER and rotating the PM2 or PM3 encoders it is possible to scroll through all current available user presets If NO USER PRESETS are stored yet the screen will show the following Recall a Program No Stored Xovers If presets have previously been stored by the user anyone of them can be recalled 01 PRESET 1 By using the PM2 or PM3 encoder it is possible to scroll through the stored presets Once the desired preset appears on the screen select it by pressing the ENTER button and this will force
53. lected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 6dB Oct 37 12dB Oct If we selected a High Shelving filter of the 1st 2nd order within EQ 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder and the Lo Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Hi Shelv_ 1 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM2 encoders for editing the Filter s Low Cut Frequency and Gain Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Hi Shelv_Q Filter These Symmetrical Shelving filters present level of the selected Gain Attenuation at the selected cutting frequency and a slope that is depending from the chosen Q value If we selected a High Shelving filter with variable Q within EQ 1 then the
54. llows you to choose the remote control protocol for the DPA2655QR Interface Setup By pressing ENTER and then using the PM2 or PM3 encoders you can choose between the two possible interfaces USB or RS485 for the DPA2655QR Pressing ENTER on a selected source will make an asterisk appear to the right of the description on the LCD as in the following example which shows the selected interface as USB Source USB 19 Security Sub menu this sub menu allows the User to set the parameters shown lock the DPA2655QR and set a Password therefore limiting the unit s functions and controls to those who have access to the appropriate Password Press ENTER and then use the NAV PM1 to scroll between options Show Parameter Pressing ENTER from the above menu will access the Show Parameter Sub Menu Show Parameter Press ENTER again and use the PM2 or PM3 encoders to scroll between the be shown and not be shown options An asterisk will highlight which option is selected Choosing the be shown option means that once the unit is locked you cannot access parameter editing features but they will be displayed on the LCD screen Choosing the not be shown option means that once the unit is locked the parameters will not be shown at all With this option when trying to access a parameter the following screen message will appear Lock Unit this sub menu allows the user to lock the device
55. lowing is an example of a screen while entering the preset name Stage 1 2x2 in location 10 set Program Name 10 Stage 1 To store the Preset Name press the ENTER button again The above action will take you to the Enter to Save page showing the selected location for the preset and the final edited name Enter to Save 10 Stage 1 2x2 t Pressing ENTER again will store the preset in the selected location with the chosen name and the following transitory screen will appear on the LCD Stage 1 2x2 17 Once the preset is stored the above screen will disappear returning to the following screen Save a Program If during the Preset Storing process you want to overwrite an existing memory location select this location in the Save a Program page then ENTER and you will be asked if you want to overwrite this preset with the following ENTER to Overwrite screen displaying the currently stored preset and location Enter to Overwrite 10 Stage 1 If you wish to proceed press ENTER again and the DPA2655QR will go ahead with the Set Program Name page and the subsequent overwrite on completion of the previously described storing process Note at any time it is possible to quit the storing action by pressing the ESC button Delete a Program this page allows you to delete a preset already stored in the DPA2655QR memory Delete a Program By pressing the
56. lter Type Order where filter type can be Buttw_ 1st Buttw_ 2nd LRiley_ 2nd Bessel_ 2nd Buttw_ 3rd Buttw_ 4th Lriley_ 4th Bessel_ 4th ESC ENTER Custom_ 2nd Custom_ 3rd Custom_ 4th gt Y F 20 0 Hz Freq Fast Selection Filt Type Bypass Freq 20Hz ONLY in Freq Editing Mode Custom_ 4th 20kHz Through the PM2 it is possible to Bypass the filter or to select one of the 11 available filters type orders and through the PM3 to set the HP cutting Frequency quick fine tuning by 1Hz steps Once selected the filter Type and pressing again the ENTER button can be accessed the selected filter s Fast Freq Selection page 1 1 Output x Name HPF gt Y ESC ENTER 1 1a If selected a filter from Buttw_ 1st up to Bessel_ 4th then the filter s Cutting Frequency can be set as follow F 20 0 Hz Output x Name HPF Thousands Editor Hundreds Editor Units Editor gt Edit Freq 250Hz Freq 1000Hz Freg 100Hz Freg 1Hz 20000Hz 900Hz 100Hz 1 1b If selected a Custom Filter from 2 up to 4 order depending from the filter s order the cascade od second order Cells building the filter are available for editing in their Freg and O parameter indepndently For proceeding with the editing of a custom filter Cell the PM1 is here used foir the Cell selection So a Cutom Filter can be set in its parameters as follow 1 1b 1 If selected a Custom 2nd filter Output x Name HPF gt Custom_ 2nd F 250
57. ng a 180 Degree Phase rotation at the selected Frequency Band Pass Filters allowing to pass the band around the selected frequency The amount of passing band is decided by the Q value Notch Filt Filters canceling the band around the selected frequency The amount of canceled band is decided by the Q value More the DPA255Q R Is giving the possibility to Bypass any single filter of the 5 available in the Equalizer section Once in the editing page of the single filter a Byp field is available for making the single filter active or not 24 Pushing the Enter Button the above window will allow the access to the Byp and Type fields Using the PM2 encoder the selected Filter can be activated or bypassed The DPA2655QR allows the user to select anyone of the filter s type listed above and assign them independently using the 5 available filters In order to select the filter s type it is necessary to use the PM3 encoder rotate it clockwise or counter clockwise to select the desired filter So in order to define the filter type for the filter number 1 x 1 it is necessary from the above screen to select the filter which name will appear on the screen If selected a Peaking_Eg filter then the display will be as follow Once selected the desired Filter Type its parameters can be accessed for editing just pressing again the ENTER Button Once pressed the ENTER Button th
58. nkwitz Riley Filter 12dB Oct Slope Bessel_ 2nd Bessel Filter 12dB Oct Slope Buttw_ 3rd Butterworth Filter 18dB Oct Slope Buttw_ 4th Butterworth Filter 24dB Oct Slope LRiley_ 4th Linkwitz Riley Filter 24dB Oct Slope Bessel_ 4th Bessel Filter 24dB Oct Slope Custom _ 2nd IInd Order Filter Cell with editable Cutting Frequency and O Custom _ 3rd Cascade of 2 llnd Order Filter Cells with editable Cutting Frequency on both and O on the second one Cascade of 2 IInd Order Filter Cells with editable Cutting Frequency and O on both of them 32 HPF sub menu Standard Filters from the sub menu page using the PM2 encoder it is possible to set the HPF in Bypass or as one of the 8 Standard Filters Buttw_lst Buttw_ 2nd LRiley 2nd Bessel 2nd Buttw_ 3rd Buttw_4th LRiley_ 4th Bessel 4th The following is an example of a HPF sub menu screen with the filter set at 400Hz as 24dB Linkwitz Riley on Outputl using the name High see later for assigning a Name to the outputs The filter s Frequency can be set already within this editing page using the PM3 encoder but here is for Frequency fine tuning being the Frequency increment decrement done by 1Hz steps For a quick Low Cut Frequency setting need to press the ENTER Button for accessing the Low Cut Frequency Fast Setting Page Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHz Here the NAV PM1 encoder will increment decrement the
59. o Pass_ OO variable O Low Pass filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freg Gain O gt 1000HZ O 1 00 3 1m If selected a Hi Pass_ 1 first order High Pass filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freg Gain O gt 1000Hz dB Q 3 1n If selected a Hi Pass_ 2 second order High Pass filter then the filter can be set by the following parameters Out x EO x up to 5 filters available Freq Gain Q gt 1000Hz Q 3 10 If selected a Hi Pass_Q variable Q High Pass filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz Q 1 00 3 1p If selected an All Pass_1 first order All Pass filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz dB Q 3 1q If selected an All Pass_ 2 second order variable Q All Pass filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz Q 1 00 3 1r If selected a Band Pass filter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz 0 0dB Q 1 00 3 1s If selected a Notch Filt fil
60. or s activity or the Output Peak Limiters activity When the Output signal Level is selected the LED meters will show from bottom up the Level of the signal Vu Meter When the RMS Compressor s activity is selected the LED meters will show from top down the activity of the RMS Compressor Limiter on the output 43 When the Peak Limiter s activity is selected the LED meters will show from top down the activity of the Peak Limiter on the output Out Name Vu Meter 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 To Edit press ENTER on the Name Page and the entering arrow will appear as in the example below The first letter position will be blinking Select the Character position from the 6 available by rotating the NAV PM1 encoder then by using the PM2 or PM3 encoder it is possible to select the desired character Once you are happy with your name selection press ENTER to confirm the edited Name The new name will be stored The following example shows Sub replacing our previous name of Low Source page from this page it is possible to assign one of the following Inputs to any Output Channel 1 Input A 2 Input B 3 Sum of Input A 2 Input B 2 The following is an example screen for the Source where Input A is assi
61. ore the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz All Pass 2 Filter Filters allowing a FLAT Amplitude response and adding a 180 Degree Phase rotation at the selected Freguency If we selected a All Pass 2 filter with variable O within EO 1 then Phase Rotation Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EO sub menu screen will show the following Once in the All Pass 2 Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Phase Rotation Frequency and O Phase Rotation Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Q the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Band Pass Filter Filters allo
62. otch Filt Filter Filters canceling the band around the selected freguency the amount of canceled band is decided by the O value If we selected a Notch Filt filter within EO 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder and the Notch Frequency at say 1 00KHz with the NAV PM1 encoder the EO sub menu screen will show the following Once in the Notch Filt Filter s edit screen all the filter s parameters can be modified using the NAV PM1 and PM3 encoders for editing the Filter s Notch Frequency and O Notch Frequency the selectable frequencies range is from 20Hz to 20kHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder O the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 31 e 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
63. pe that is depending from the chosen Q value Lo Shelv_ 1 Low Shelving filters of the 1 order These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 6dB Oct Lo Shelv_ 2 Low Shelving filter of the 2 order These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 12dB Oct Lo Shelv_Q Symmetrical Low Shelving filters with Variable Q These Shelving filters present 12 level of the selected Gain Attenuation at the selected cutting frequency and a Slope that is depending from the chosen Q value Low Pass_1 Low Pass filters of the 1 order with 3dB attenuation at the cutting frequency and a slope of 6dB Oct Low Pass_2 Low Pass filters of the 2 order with 3dB attenuation at the cutting frequency and a slope of 12dB Oct Low Pass_Q Low Pass filters with Variable Q High Pass_1 High Pass filters of the 1 order with 3dB attenuation at the cutting frequency and a slope of 6dB Oct High Pass_ 2 High Pass filters of the 2 order with 3dB attenuation at the cutting frequency and a slope of 12dB Oct High Pass_Q High Pass filters with Variable O All Pass_ 1 Filters allowing a FLAT Amplitude response and adding a 90 Degree Phase rotation at the selected Frequency All Pass 2 Filters allowing a FLAT Amplitude response and addi
64. put Routing the DPA2655QR Processor is equipped with 2 Analog Inputs Balanced Female XLR and a stereo S PDIF Digital Input RCA connector The Routing Options page allows you to select the desired Input type Input Routing By pressing ENTER on Input Routing and then rotating the PM2 or PM3 encoders it is possible to select the Main Inputs for the DPA2655QR allowing the User to choose between Analog or S PDIF Digital The selection can be confirmed by pressing the ENTER button The following screen shows that the Analog Input has been selected 13 nput Routing Source Analog t Power On Procedure this gives you the ability to select the option that will apply when the DPA2655QR powers up after being switched on Power On Procedure By pressing ENTER and rotating the PM2 or PM3 encoder it is possible to choose between two options Fade In On or Fade In Off The currently running option will be displayed with an asterisk to the right of the option description To change the option simply ENTER on the option not displaying the Asterisk and that option will become active and an Asterisk will now appear to the right of the option description The following two options are available FADE In Off when the DPA26550R is turned on all Outputs regard of their status before the Unit was switched off will be MUTED or UNMUTED automatically meaning the DPA2655OR will have no active
65. so no parameters can be edited or modified Lock Unit When the Unit is in an unlocked condition all parameters will be available for editing When you select On all parameters will be locked and are not available for editing When you select lock from the menu the unit will be locked and the lock menu automatically exited The screen will revert to the Default showing the current XOVER configuration and the preset selected and beside the preset s name a keylock icon indicating that the DPA26550R is locked 20 User Password from the User Password sub menu User Password Press ENTER to access the User Password page User Passworoc Using the PM2 or PM3 encoders to choose a character and the NAV PM1 encoder to move between available locations you can enter a 6 Character Password Name The current position of the cursor for the characters to be entered is shown by a blinking underscore During this editing phase the display is as follows if we were using DPA26X as the password User Passworoc DPA26X The DPA2655QR will exit the Unit Lock sub menu and jump to the User Password sub menu page screen Insert Password If the password entered in the Confirm Password page matches the one entered in the Enter Password page the following screen will appear Confirm Password DPA26X The Password is now configured and held in t
66. tep of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz High Pass 1 2 Filter These High Pass filters present 3dB at the selected cutting frequency and a slope of 6dB Oct 12dB Oct If we selected a High Pass filter of the 1st 2nd order within EQ 1 then Low Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EO sub menu screen will show the following Once in the High Pass 1 2 Filter s edit screen the NAV PM1 encoder can be used for editing modifying the Filter s Low Cut Frequency Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz High Pass O Filter The Gain of these High Pass filters can be modified at their cutting freguency corner depending from the value assigned to the O parameter If we selected a High Pass filter with variable O within EO 1 then Low Cut Freguency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder and the O at 3 5 using the PM3 encoder the EO sub menu screen will show the following Once in the High P
67. ter then the filter can be set by the following parameters Out x EQ x up to 5 filters available Freq Gain Q gt 1000Hz dB Q 1 00 Q 0 30 Freg Freg Freg Freg Freg Freg Freg Freg Freg Freg Freg Freg Freg 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20Hz 20kHz 20kHz 10 Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp Amp 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB 15 0 dB O O O O O O O O O O O O O 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 0 30 20 00 20 00 4 Output x Name Vu Meter Vu Meter Level ESC ENTER gt Vu Meter Level Name Name Name Name 5 Output x ESC ENTER gt Name _ Menus Use Section 6 Output x Name Source Source InA ESC ENTER gt 7 Output x ain 0 0 dB G ESC ENTER gt Gain 0 0 dB PAR2 Source I nA PAR2 Name Gain 8 Output x ESC ENTER gt Thr 12 0dBu Ratio 1 1 Name RMS Cmp Thr 12 0dBu Rto 1 1 32
68. the User Password option To regain access to the full operation of the DPA2655QR ENTER to the User Password screen and press the UTILITY Button to access the following screen to enable the correct password to be entered User Password gt a After the correct password has been entered you will be able to access the full functionality of the DPA2655QR the lock Icon will disappear from the Default Screen and automatically the Enable Password page will be back to the Disable condition If no Password has been set within the DPA2655QR as described in the previous paragraphs the DPA2655QR will not allow you to enable any Password and the choice in the Enable Password will be limited to only the Disable option 22 e 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 PM1 encoder For parameter editing it is necessary to press ENTER and an arrow will appear on the left of the screen gt Then use the PM2 and PM3 encoders for selecting and setting the parameter values On some parameters that have three independent values you will also ne
69. the DPA2655QR to begin to load this selected preset and the following transitory screen will appear g 01 PRESET 1 Once loaded the DPA2655QR will exit to the Recall a Program screen automatically and the above screen will disappear Recall a Program Note at any time it is possible to quit the recall action by pressing the ESC button 16 Save a Program this page allows you to store a new preset in the DPA2655QR s memory 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 If no user presets are stored the Save a Program screen will show empty memory locations for all 1 24 presets as shown in the example below for location 10 10 Empty Memory When storing an edited configuration for the DPA2655QR select the location for a preset from the 24 available by using the PM2 or PM3 encoders Once the desired location appears on the screen press ENTER again to reach the Set Program Name page In this page the User can enter a Preset Name up to 16 Characters by using the PM2 or PM3 encoder to choose a character and the NAV PM1 encoder to move between the 16 available locations for the character s positioning The current position of the cursor is shown by a blinking underscore The fol
70. to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 28 High Pass 1 2 Filter These High Pass filters present 3dB at the selected cutting frequency and a slope of 6dB Oct 12dB Oct If we selected a High Pass filter of the 1st 2nd order within EQ 1 then Low Cut Frequency has to be set at a desired value of say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the High Pass 1 2 Filter s edit screen the NAV PM1 encoder can be used for editing modifying the Filter s Low Cut Frequency Low Cut Frequency the selectable frequencies range is from 20Hz to 20KkHZ in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Freguency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz High Pass O Filter The Gain of these High Pass filters can be modified at their cutting freguency corner depending from the value assigned to the O parameter If we selected a High Pass filter with variable O within EO 1 then Low Cut Freguency has to be set at a desired value of say 10
71. uency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 30 Band Pass Filter Filters allowing to pass the band around the selected frequency the amount of passing band is decided by the Q value If we selected a Band Pass filter within EO 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder the GAIN at say 3dB using the PM2 encoder and the center Frequency at say 1 00KHz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Band Pass Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Center Frequency Gain and O Center Frequency the selectable frequencies range is from 20Hz to 20kHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable Gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz N
72. urn the device to the original factory setting is available to the user Note Continuing with this process will mean the DPA2655QR will re initialize to the original factory settings and any previously stored information and changed parameters will be permanently lost Notel Together with the all information also the current password will be lost after a Factory 48 Reset and will be replaced with the Factory one 000000 In case the customer forgot the password and need to reinitialize it can use the Factory Reset to put the Password at its original 000000 value Use the following procedure to perform the factory reset 1 While the DPA2655QR is switched OFF simultaneously press the ENTER ESC UTILITY buttons on the front panel 2 Maintain pressure on all three buttons as you turn the power switch to On and the following LCD screen appears on the DPA2655QR Please Wait Memory Reset 3 Release the buttons and wait for the DPA26550R to re initialize Once completed the DPA2655QR will resume regular operation as though it was a new unit from the factory and no previously programmed parameters will be available for use e GND and USB RS485 LIFT switches The DPA2655QR on its back panel is providing a couple of switches allowing to connect or left unconnected the power Supply Main GND and the USB RS485 connectors GND to the chassis MAIN LIFT GND Switch Actually can happen that sometim
73. wing to pass the band around the selected frequency the amount of passing band is decided by the Q value If we selected a Band Pass filter within EQ 1 then the O has to be set at a desired value of say 1 00 using the PM3 encoder the GAIN at say 3dB using the PM2 encoder and the center Frequency at say 1 00KHz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Band Pass Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Center Frequency Gain and Q Center Frequency the selectable frequencies range is from 20Hz to 20kKHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable Gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder 42 O the selectable O range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz Notch Filt Filter Filters canceling the band around the selected freguency the amount of canceled band is decided by the O value
74. y and a slope that is depending from the chosen Q value If we selected a High Shelving filter with variable Q within EQ 1 then the GAIN has to be set at a desired value of say 3dB using the PM2 encoder the Q at 3 5 and the Lo Cut Frequency at say 1000Hz with the NAV PM1 encoder the EQ sub menu screen will show the following Once in the Hi Shelv_Q Filter s edit screen all the filter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the Filter s Low Cut Frequency Gain and Q Low Cut Frequency the selectable frequencies range is from 20Hz to 20KHz in steps of 1Hz and can be adjusted by rotating the NAV PM1 encoder Gain the selectable range of the Gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM2 encoder Q the selectable Q range is from 0 3 up to 20 0 in steps of 0 1 and can be adjusted by rotating the PM3 encoder When in the Parameters Editing Page pushing once more the ENTER Button it is possible to access the page of the Frequency Fast Setting Here the NAV PM1 encoder will increment decrement the Frequency value by step of one thousand Hz the PM2 by steps of one hundred Hz and the PM3 by steps of one Hz 26 Lo Shelv_1 2 Filter These Shelving filters present 3dB less than the selected Gain or 3dB more than the selected Attenuation at the selected cutting frequency and a slope of 6dB Oct 12dB

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