Owner`s Manual • Digital Speaker Processor • ACHAT DSP24
Contents
1. Low shelving order the selectable low shelving filters range can be selected between the ist Lo 1st and the 2d Lo 2nd one 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 PM3 encoder VU Meter Here you can use the PM2 or PM3 encoder to select the function of the output channel LEDs indicating the corresponding signal level Level or indicating the limiter activation and the resulting signal attenuation Limiter Act Delay from this page it is possible to set the output channels delay time from 000 0000ms up to 848 9984ms by steps of ims or 20 8us To set the delay time press ENTER An arrow gt will appear on the left of the screen 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 1 is set to 160 1872ms Out 1 Name Delay gt Delay 160 1872mS The DSP24 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 and have its parameters displayed on the LCD screen You can then select and link other2. n places subject to vibrations or bumps gt In places with a temperature of over 40 C or less than 2 C gt In places subject to excessive dryness or humidity ideal conditions are between 35 and 80 This unit is designed to be fitted into a 19 rack Secure the device with screws to the rack When installing into a 19 rack please ensure that warm air can escape from the rack and that there is adequate distance between the individual devices The rear wall of the rack should be opened when operating the devices Cleaning and Maintenance Never immerse the device into water or any other liquid Never let any liquid get into the housing This would damage the device and or cause a short circuit Clean the surface of the housing with a damp cloth Never use cleaning agents that contain alcohol petrol solvents or any aggressive substance Do not use chemical fibre cloth to wipe the cover to avoid the fading of the painting Disposal For the transport and protective packaging environmen ex tally friendly materials have been chosen that can be Supplied to normal recycling Ensure that plastic bags packaging etc are properly disposed of Do not just dispose of these materials with your normal household waste but make Sure that they are collected for recycling Please follow the notes and markings on the packaging This product is subject to the European Waste Electrical and Electronic Equipment Directive WEEE i
3. Buttons A and B as well as the 1 2 3 and 4 buttons have double functions dependent on the push and hold time When buttons A and B are pushed and held for more than one second input channels A or B are either muted or un muted 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 brief 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 and 4 buttons are pushed and held for more than one second the output channels 1 2 3 and 4 are either muted or un muted 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 brief push of the 1 2 3 and 4 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 From the default display sub menus are accessed using the UTILITY A B 1 2 3 4 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 NAV PM1 Encoder to navigate within the menus lt lt System Utilities gt gt ESC ENTER 1 1 SYSTEM UTILITY lt lt Input routing gt gt 1 2 SYSTEM UTILITY lt lt Power on procedure gt g
4. an arrow gt will appear on the left of the screen 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 filters parameter setting Note All parameter editing can be done using the NAV PM1 PM2 and PM3 encoders and the currently shown value of the selected option is AUTOMATICALLY loaded during the encoders use and stored as the current value once leaving the page IMPORTANT When the preprogrammed output presets 01 15 have been selected you can only edit the parameters source and Delay When selecting presets 16 25 all parameters Source Gain Limiter Polarity HPF LPF EQ1 EQ7 VU Meter and Delay can be edited Audio signal output 1 2 3 4 path block scheme High and Low 7 Band Bell Shv Limiter Polarity To X Over gt Pass Filters Equalizer outputs From Input i Del ve 8 PEN Source Here you can choose the signal input source for the respective output channel InA input A InB input B or InA InB both inputs Gain from this screen it is possible to set the output channel level from 12dB to 6dB press ENTER an arrow gt will appear on the left of the screen Then use the PM1 or PM2 buttons The value set on this scr
5. ms or distance in meters m SYSTEM UTILITY 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 unit time displayed in milliseconds Delay Units Unit Time ms 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 SYSTEM UTILITY Ramps on Changes When connected to the DSP24 by the PC remote control software it is possible to request sudden parameter changes where the difference between the old parameter and the new one can cause unwanted click noises big differences in volume changes or bumps big differences in HP LP filters cutting frequency values as the DSP re configures The fading in and fading out ramps eliminate any potential clicks and bumps This 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 Ramps on changes Ramps Off T e Software Version this page allows you to confirm the Software Version running on the DSP24 SYSTEM UTILITY Software Versio
6. No cut off ESC ENTER NAV PM1 Enc PM2 Enc PM3 Enc to choose values for the parameters no need to confirm the chosen values which are automatically loaded during the encoders use the following parameters gt 20 0 Hz No cut off PAR1 N A Freq 20Hz Type Slope No Cut Off 3 1 InputA B EQ X up to 5 filters available Freq 20Hz BW 0 05 Amp 15 0dB 20kHz Bessel 24dB Oct 100kHz BW 1 00 0 0dB l 2 Out X Name LPF 20kHz 3 00 15 0dB 20 0 Hz No cut off If through the PM2 being the ESC filter s gain 0 0dB has been ENTER selected a low shelving filter just defining its Slope 15 ond ae gt 20 0Hz No cut off PAR1 N A Freq 20Hz Type Slope No Cut Off available 6dB or 12dB then the 20kHz Bessel 24dB Oct UP ated ae ihg 3 Out X Name PEQ when the filter s gain 0 048 ONLY through the PM2 itis 32 In Y fi 1 00 kHz BW SHV SHV possible to chose and select between a bell or a shelving filter putA B EQ X up to 5 filters lope 1 00 1 7 available Freg 20Hz PM2 N A Amp 15 0dB pu 515 400kHz 6 12 LoSh 0 0dB 0 dB 20kHz 15 0dB i If through the PM2 being the l ESC filter s gain 0 0dB with a high ENTER shelving filter selected just i defining its Slope 1 or 21 order fters gan 0 048 has been se available 6dB or 12dB then the lected a Bell filter just defining its a ee filter sire be set by Bandwidth BW to be greater then E NOVIO Prado 0 then the Bell filters can be
7. The DSP24 s micro controller will check if the preset is initialized available or not yet created B If YES then the micro controller will send back to the user eg Crestron AMX Remote Control the same frame used by the command RX sm ow Tox ow 0 or 5s J o os olor em 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 micro controller will notify that to the user sending back the following frame RX Fs Tow Tov oo v or o2 s 9 os o or lex Input gain and output volume control UPDATE GAINS PHASE CMD 01H A The user has to send the following command including the value to be assigned to Vol for modifying the input gain Chn 0 1 or the output volume Chn 2 3 4 5 Also the output signal phase can be modified TX sx omone o os oz os os vs os o en XX 0 31 ID device Chn20 5 channel selected 0 1 In1 In2 2 5 Out1 0ut4 when channel O 1 selected then Vol 2 Input gain when channel 2 3 4 5 selected then Vol output Vol Phs Phase only if the Chn gt 1 Value 0 1 where O direct 1 inverse 1809 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 micro controller will send back to t
8. cover any ventilation slots of the device while it is switched on Avoid placing this device in locations that provide insufficient ventilation or hot locations and do not place the device in direct sunlight or under strong artificial light sources Otherwise it may overheat and become irreparably damaged e Do not operate or store the device in hot locations or near heat sources like stoves radiators power amplifiers or the like e Do not place any open sources of fire like candles on the device e When a thunderstorm with the risk of lightening threatens disconnect the device from the mains power AN Risk of personal injury e This appliance is not intended for use by individuals including children with restricted physical physiological or intellectual abilities or deficiencies in experience and or knowledge unless they are supervised by a person responsible for their safety or receive from this person instruction in how the appliance is to be used e Keep the power cord and device away from children as they often underestimate the dangers of electrical equipment e Ensure a safe location for the device e Do not operate the device if it has sustained a fall or is damaged Arrange for the device to be checked and or repaired by qualified technicians Installation e Select a location with sufficient circulation of air Permanent overheating can damage the device e NEVER operate the unit under the following conditions
9. 0 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 For example if you want to delete the preset 10 Stage 1 2x2 the screen will show the following ENTER to Delete 10 Stage 1 2x2 Confirming the deletion by pressing ENTER again will force the DSP24 to erase the selected preset and the following transitory screen will appear the t racks Erasing Xover Memory 10 Stage 1 2x2 Once the preset is deleted the above screen will disappear returning to the following screen PROGRAM UTILITY Delete a Program Note You can not delete the currently active program Interface Utilities sub menu this sub menu allows you to define the remote control interface USB or RS485 to be used for controlling the DSP24 UTILITY MENU Interface Utilities From Interface Utilities press ENTER to access the Interface Setup e Interface Setup this screen allows you to choose the remote control protocol for the DSP24 INTERFACE UTILITY 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 DSP24 Pressing ENTER on a selected source will make an asterisk appear to the right of the description on the LCD as in t
10. 0 0dB The DSP24 allows the user to select either bell or shelving parameters and assign them independently using the 7 available filters In order to select the filters type it is necessary to have the filters GAIN 0 0dB then using the PM2 encoder rotate it clockwise in order to decide the bell filters bandwidth or counter clockwise to select the shelving filter type low or high and its order 15st or 29 So in order to define the filter type for the filter number 1 x 1 it is necessary from the above screen to enter the filters editing page pressing the ENTER button and the screen has to appear as follows Out 1 Name EQ 1 gt 1 00KHz BW1 05 0 0dB In this case the filters GAIN 0 0dB and being BW 1 05 the current filter selected is a bell type Now rotating the PM2 encoder clockwise the parameter BW will range from 0 05 up to 3 for identifying a bandwidth value for a bell filter If a bell filter is selected then the gain can be modified from 0 0dB and the BW will range between 0 05 and 3 If the user wants to select a shelving filter from the above setting with the GAIN 0 0dB if the GAIN is not 0 0dB it is necessary to set it to 0 0dB using the PM3 encoder rotate the PM2 counter clockwise Once BW reaches the 0 05 value at the next step of the PM2 counter clockwise rotation the selection of the shelving filters will be entered Still rotating the PM2 counter clockwise the shelving filters and t
11. 0 dB 2 Input A B Delay Delay 0 000ms or m ESC ENTER gt Delay 0 000ms 3 InputA B PEQ SHV 1 00 kHz BW SHV_ 0 0dB slope 1 00 up to 12dB PM2 or PM3 Encoder to choose option then ENTER to load it indicates the selected option Interface Setup Source USB ENTER Source RS485 ESC User Password ENTER Enable Password Password Enable ENTER Password Disable NAV PM1 Enc PM2 Enc For the details about the Password setting enable and unit lock refer to the section Utility menus use PM3 Enc to choose values for the parameters no need to confirm the chosen values which are automatically loaded during the encoders use PAR1 N A 12dB 6dB PAR1 N A 000 0000ms 1 ms steps 848 0000ms Same as PAR2 000 0000ms 20 8 us steps 000 9984ms when the filter s gain 0 0dB ONLY through the PM2 it is possible to choose and select between a bell or a shelving filter the t racks NAV PM1 Encoder to navigate within the menus ESC ENTER If through the PM2 being the filter s gain 0 0dB with a bell filter selected just defining its Bandwidth BW to be greater then 0 then the bell filters can be set by NAV PM1 Enc to choose values for the parameters no need to confirm the chosen values which are automatically loaded during the encoders use PM2 Enc PM3 Enc NAV PM1 Encoder to navigate within the menus 1 Out X Name HPF 20 0 Hz
12. ACHAT DSP24 Digital Speaker Processor ENGLISH USER S MAN UAL the t racks Introduction Thank you very much for expressing your confidence in our products by purchasing the ACHAT DSP24 our high quality Digital Speaker Processor designed specifically for both live and studio applications Please read the manual carefully and keep it for future reference For your own safety you must read this section in full first Important Safety Instructions This manual explains the intended use of the device Using it in any other way invalidates the warranty and you risk a life threatening electric shock AN A Risk of electrical shock e Connect the device only to a properly wired and earthed electrical wall socket providing a mains voltage of 230 V 50 Hz e NEVER operate the device if the device itself the power plug or the power cord is damaged e NEVER submerse the device in water or any other fluid Wipe it only with a slightly damp cloth e NEVER expose the device to rain or moisture and never use it in a damp or wet environment This device was developed for indoor use only Do not use it outdoors e Ensure that the power cord does not become wet during operation This symbol wherever it appears alerts you to important operating and maintenance instructions in the accompanying literature So read the manual e You must NEVER open the housing of the device or try to repair it There are no user serviceable par
13. AM UTILITY Save a Program By pressing the ENTER button and rotating the PM2 or PM3 encoder it is possible to scroll through the previously saved presets and the available empty locations identified as Empty Memory If no user presets are stored the Save a Program screen will show empty memory locations for all 1 16 presets as shown in the example below for location 10 Save a Program 10 Empty Memory When storing an edited configuration for the DSP24 select the location for a preset from the 16 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 you can enter a preset name with up to 16 characters by using the PM2 or PM3 encoder to choose a character Use the NAV PM1 encoder to move between the 16 available locations for the character positioning The current position of the cursor is shown by a blinking underscore The following is an example of a screen while entering the preset name Stage 1 2x2 in location 10 Set Program Name 10 Stage 1 2x2 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 finally edited name Enter to Save 10 Stage 1 2x2 Pressing ENTER again will store the preset in the selected location
14. Hz to 20kHz in steps of 1 24 of an octave and can be adjusted by rotating the NAV PM1 encoder the t racks High Shelving Order the selectable high shelving filter s range can be selected between the 1st Lo 1st and the 2nd Lo 2nd one Gain the selectable range of gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM3 encoder Note 1 once the desired options have been selected using the 3 encoders they are automatically saved as current and stored in the DSP24 system status once leaving the page Note 2 to exit this page push the ESC button Once you have escaped out of parameter editing within the individual input channels the DSP24 will remember this last editing action on that channel When you return for your next editing action pressing the EDIT button on that channel the unit will immediately return you to the screen related to this last editing action 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 From the Default Screen it is possible to access the Output Channel menu by pressing the 1 2 3 or 4 button Once 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 Then
15. ange parameters and confirm by pushing the ENTER button Through the ESC button it is any time possible to go back to the action and page preceding the ENTER button use 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 without asterisk Pushing the ENTER button on an unselected option lets the asterisk 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 DSP24 start up and general configuration UTILITY MENU System Utilities From the System Utilities Sub menu pushing ENTER and then using the NAV PM1 encoder for scrolling will give access to the following pages e Input Routing the DSP24 Processor is equipped with 2 analog inputs balanced female XLR and a stereo S PDIF digital input RCA connector This page allows you to select the desired Input type SYSTEM UTILITY nput Routing By pressing ENTER on Input Routing and then rotating the PM2 or PM3 encoder it is possible to select the main inputs for the DSP24 allowing you 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 bee
16. 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 selected 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 you want to edit the limiter of the output channels 1 2 4 you 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 channels parameters on the LCD Out 1 Name Limiter A 5ms R 02s 5 0dB Then press the edit button of output channels 2 4 turning on their related blue LEDs Now all parameters edited on output channel 1 will also be applied to channels 2 and 4 If you 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 v
17. e available parametric or shelving filters for the input channels Input A EQ X 1 00KHz BW1 05 0 0dB The DSP24 allows the user to select either bell or shelving Parameters and assign them independently using the 5 available filters In order to select the filter type it is necessary to have the filters GAIN 0 0dB Then using the PM2 encoder rotate it clockwise in order to set the bell filters bandwidth or rotate it counter clockwise to select the shelving filter type low or high and its order 15st or 29 So in order to define the filter type for the filter number 1 x 1 it is necessary from the above screen to enter the filters editing page pressing the ENTER button and the screen has to appear as follows Input A EQ 1 gt 1 00KHz BW1 05 0 0dB In this case the filters GAIN 0 0dB and being BW 1 05 the current filter selected is a bell type now Rotating the PM2 encoder clockwise the parameter BW will range from 0 05 up to 3 for identifying a bandwidth value for a bell filter If a bell filter is selected then the gain can be modified from 0 0dB and the BW will range between 0 05 and 3 If the user wants to select a shelving filter from the above setting with the GAIN 0 0dB if the GAIN is not 0 0dB it is necessary to set it at 0 0dB using the PM3 encoder rotate the PM2 counter clockwise Once BW reaches the 0 05 value at the next step of the PM2 counter clockwise rotation the selection of t
18. een will only affect the input level of the selected channel 1 2 3 4 The following is an example screen for the Gain page where the gain of the output channel 1 is set to 0 0dB Out 1 Name Gain gt Gain 0 0dB Limiter from this page it is possible to set the output channel limiter The following is an example screen for the limiter page where the attack time of the limiter is set at 5ms the release time is set at 0 2 sec and the limiter active threshold is set at 5dB Out 1 Name Limiter A bms R 02s 5 0dB Once pushing ENTER the limiter s parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the limiters attack time A release time R and active threshold Once pushing ENTER the above screen will change as follows Out 1 Name Limiter gt A 5ms R 02s 5 0dB The attack time A can be edited using the NAV PM1 encoder the release time R by using the PM2 encoder and the limiter active threshold by using the PM3 encoder Attack time A the selectable range of the limiters 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 limiters attack time can be adjusted by rotating the NAV PM1 encoder Release time R the selectable range of the limiters release time is from O 1s to 3s in steps of 0 1s and can be adjusted by rotating the PM2 encoder Li
19. he following example which shows the selected interface as USB Interface Setup Source USB i Security sub menu this sub menu allows the user to set a password to limit the unit s functions and controls to those who know the correct password UTILITY MENU Security Utilities Press ENTER and then use the NAV PM1 to scroll between options e User Password from the User Password sub menu SECURITY UTILITY A User Password Press ENTER to access the User Password page User Password Use encoder PM2 or PM3 to select numbers characters or symbols Move the cursor position with encoder NAV PM1 The blinking underscore shows the current position To enter a new password you first have to enter the factory preset password 000000 followed by pressing the ENTER button If you succeeded you can now enter your own new six digit password New Password Subsequently you have to re enter that password for confirmation Confirm Password Finish your input by pressing the ENTER button The LCD returns to the previous display and the new password has been saved in the unit s memory The password protection limits the access to various functions depending on the setting of the parameter Password Enable Disable explained in the following paragraph If the display shows Password wrong you have inputted the required password incorrectly and have to re enter e Enable Pas
20. he User eg Crestron AMX Remote Control the same frame used by the command RX six ow ow omo bo o1 o2 os os os os o eno ATTENTION RISK OF ELECTRIC SHOCK DO NOT OPEN THE COVER Specifications d o WP 1 ET e e o LIFT GND m ASS o ue USB QUT RS485 IN S PDIF 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 The DSP24 Digital Speaker Processor is based on a powerful analog and digital DSP platform ChA ChB Bal Female XLR 20dBu Ch1 Ch2 Ch3 Ch4 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 20kHz 1 dB Switching Power Supply USB RS485 Our products are subject to a process of continual further development Therefore modifications to the technical features remain Subject to change without further notice the t racks CE WWW THOMANN DE the t racks
21. he shelving filters will be entered Still rotating the PM2 counter clockwise the shelving filters and their order will be selectable in the following sequence 1 ist order Low Shelving 2 2nd order Low Shelving 3 1 order High Shelving 4 2nd order High Shelving 6LoSh on the screen 12LoSh on the screen 6HiSh on the screen 12HiSh on the screen Once the desired shelving filter is selected the PM3 can then be used to select the desired GAIN and when the GAIN is set at a value different from 0 0dB then the filter type cannot be changed until this GAIN is returned to 0 0dB BELL Filter As an example if you want to set a bell filter within EQ 1 then the BW has to be set at a desired value of say 1 00 using the PM2 encoder the GAIN at say 3dB using the PM3 encoder and the centre frequency at say 1 00kHz with the NAV PM1 encoder The EQ sub menu screen will show the following Input A EQ 1 gt 1 00kHz BW 1 00 3 0dB Once in the bell filters edit screen all the filters parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the filters centre frequency bandwidth BW and gain The centre frequency of the parametric filter can be edited using the NAV PM1 encoder the BW the PM2 encoder and the gain the PM3 encoder Centre frequency the selectable frequency range is from 20Hz to 20kHz in steps of 1 24 of an octave and can be adjusted by ro
22. heir order will be selectable in the following sequence 1 ist order low shelving 2 2 d order low shelving 3 1 order high shelving 4 2nd order high shelving 6LoSh on the screen 12LoSh on the screen 6HiSh on the screen 12HiSh on the screen Once the desired shelving filter is selected the PM3 can then be used to select the desired GAIN and when the GAIN is set at a value different from 0 0dB then the filter type cannot be changed until this GAIN is returned to 0 0dB BELL filter As an example if you want to set a bell filter within EQ 1 then the BW has to be set at a desired value of say 1 00 using the PM2 encoder the GAIN at say 3dB using the PM3 encoder and the centre frequency at say 1 00KHz with the NAV PM1 encoder The EQ sub menu screen will show the following Out 1 Name EQ 1 gt 1 00kHz BW 1 00 3 0dB Once in the bell filters edit screen all the filter parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the filters centre frequency bandwidth BW and gain The centre frequency of the parametric filter can be edited using the NAV PM1 encoder the BW by using the PM2 encoder and the gain by using the PM3 encoder Centre frequency the selectable frequency range is from 20Hz to 20kHz in steps of 1 24 of an octave and can be adjusted by rotating the NAV PM1 encoder Bandwidth BW the selectable BW range is from 0 05
23. i ESC ENTER gt Gain 0 0 dB PAR1 N A PM2 N A Amp 15 0dB 15 0dB 9 PM2 N A Amp 15 0dB 15 0dB 10 Level Same as PAR2 Limiter Act For editing the device s name refer to the details in chapter InA Channel A InB Channel B InA InB Channel A Channel B Same as PAR2 12dB Same as PAR2 6dB NAV PM1 Encoder to navigate within the menus Out X Name A 5ms R 02s ESC ENTER A 5ms R 02s Out X Name Delay 0 000ms ESC ENTER gt Delay 0 000ms Out X Name Polarity Normal ESC ENTER gt Polarity Normal NAV PM1 Enc PM2 Enc PM3 Enc to choose values for the parameters no need to confirm the chosen values which are automatically loaded during the encoders use 200ms Limiter 20dB 20dB Delay PAR1 N A Polarity PAR1 N A Atk time 5ms Rel time 0 1s 3 0s 000 0000ms 1 ms steps 848 0000ms Normal Invert Amp 10 0 dB 20 0dB OFF 000 0000ms 20 8 us steps 000 9984mS Same as PAR2 the t racks From the Default Screen it is possible to access the UTILITY menu by pushing the UTILITY button Then the sub menu pages can be selected Just rotate the NAV PM1 encoder clockwise and counter clockwise Once you ve selected a sub menu page use the NAV PM1 encoder to scroll through its options Press the ENTER button to call up a desired menu item Use the PM2 or PM3 encoders to ch
24. ice versa In the event of the password being lost or any other reason the user may require the unit to be reset to the original factory settings a Factory Reset that will clear all settings of the DSP24 and return the device to the original factory setting is available to the user Note Continuing with this process will mean the DSP24 will re initialize to the original factory settings and any previously stored information and changed parameters will be permanently lost e Use the following procedure to perform the factory reset 1 While the DSP24 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 DSP24 the tracks Achat DSP Z4 Please wait Init memory 3 Release the buttons and wait for the DSP24 to re initialize Once completed the DSP24 will resume regular operation as though it was a new unit from the factory and no previously changed parameters will be available for use any more the t racks The following is the HEX Code for controlling the DSP24 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 TX sx Jon Jomo o 01 os os os os o7 en XX 0 31 ID device Npreset 01 25 Presetnumber
25. ilter s high cut frequency and the filters type and order The high cut frequency of the low pass filter can be edited using the PM2 encoder and the filters type and order can be edited by using the PM3 encoder High cut frequency the selectable frequency range is from 20Hz to 20kHz in steps of 1 24 of an octave and can be adjusted by rotating the PM2 encoder Low pass type and order this page allows you to select the X Over s low pass filter shape and order The available shapes and orders for the low pass filter that are accessible by rotating the PM3 encoder are listed below No cut Off Butwrth 6dB Butwrth 12dB Lnk Ril 12 dB Bessel 12 dB Butwrth 18 dB Butwrth 24 dB Lnk Ril 24 dB Bessel 24 dB low pass filter bypassed Butterworth filter 6dB Oct slope Butterworth filter 12dB Oct slope Linkwitz Riley filter 12dB Oct slope Bessel filter 12dB Oct slope Butterworth filter 18dB Oct slope Butterworth filter 24dB Oct slope Linkwitz Riley filter 24dB Oct slope Bessel filter 24dB Oct slope Note 1 once the desired options have been selected using the 2 encoders they are automatically saved as current and stored in the DSP24 system status once leaving the page Note 2 to exit this page push the ESC button EQ1 EQ7 from this sub menu it is possible to set seven available parametric or shelving filters for the output channels Out 1 Name EQ X 1 00KHz BW1 05
26. lter parameter settings Note All parameter editing can be done using the NAV PM1 PM2 and PM3 encoders and the currently 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 input A B path block scheme From Input NB On DA gt Gain page from this screen it is possible to set the input channel level from 12dB to 6dB Press ENTER and an arrow gt will appear on the left of the screen Then use the PM1 or PM2 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 0 0dB Input A Gain gt Gain 0 0dB Delay page from this page it is possible to set the input channel delay time from 000 0000 ms up to 848 9984 ms by steps of 1ms or 20 8 us To set the delay time press ENTER an arrow gt will appear on the left of the screen 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 t racks The following is an example screen for the Delay page where the delay time of input channel A is set to 160 1872 ms Input A Delay gt Delay 160 1872mS EQ x sub menu from this sub menu it is possible to set fiv
27. miter Active Threshold the selectable range of the limiters 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 1 once the desired options have been selected using the 3 encoders they are automatically saved as current and stored in the DSP24 system status once leaving the page Note 2 to exit this page push the ESC button Polarity from this page it is possible to set the output channels polarity by using the PM1 or PM2 encoders 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 gt Polarity Normal HPF from this sub menu it is possible to set the output channel high pass filter HPF The following is an example of a HPF sub menu screen with the filter set at 24dB Linkwitz Riley on output 1 using the name High see later for assigning a name to the outputs Out 1 High HPF gt 20 0Hz Lnk Ril 24dB The filter parameters can be modified by using the PM2 and PM3 encoders for editing the filters low cut frequency and the filter type and order The low cut frequency of the high pass filter can be edited using the PM2 encoder and the filters type and order can be edited by using the PM3 encoder Low cut frequency the selectable frequencies
28. n Program Utilities sub menu this sub menu allows you to access several options related to the DSP24 operating mode and to manage the presets stored and recallable within the unit UTILITY MENU Program Utilities By pressing the ENTER button and then using the NAV PM1 encoder the following pages can be accessed the t racks e Recall a Program this page allows the loading of a preset program You can store up to 16 presets in the DSP24 memory PROGRAM UTILITY Recall a Program By pressing ENTER and rotating the PM2 or PM3 encoders it is possible to scroll through all user presets currently available 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 ENTER to Recall 01 PRESET1 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 twice This will make the DSP24 start loading the selected preset and the following transitory screen will appear Loading New Program Il PRESEA Once loaded the DSP24 will exit to the Recall a Program screen automatically and the above screen will disappear PROGRAM UTILITY Recall a Program e Save a Program this page allows you to store a new preset in the DSP24 s memory PROGR
29. n selected Input Routing Source Analog e Power On Procedure this gives you the ability to select the option that will apply when the DSP24 powers up after being switched on SYSTEM UTILITY 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 DSP24 is turned on all outputs with regard of their status before the unit was switched off will be muted or un muted automatically meaning the DSP24 will have no active outputs or active outputs during the start up process depending on the outputs previous status FADE In On when the DSP24 is turned on all outputs not previously muted before the unit was switched off will be active meaning the DSP24 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 Power On Procedure Fade In On i Delay Units this page allows you to select the measurement unit to be used for the delays time in milliseconds
30. n its currently valid version Do not dispose of your old device with your normal household waste Dispose of this product through an approved waste disposal firm or through your local waste facility Comply with the rules and regulations that apply in your country If in doubt consult your local waste disposal facility the t racks Described below are the functions of the front panel control buttons and encoders for DSP24 Getting started As soon as the unit is turned ON the device model name will appear in the display After the initialization the unit will show the name of the previously selected program on the LCD prior to the unit being turned off The DSP24 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 The UTILITY button allows the user to enter the sub menus and to set the general characteristics of the processor Buttons A and B allow the user to enter the editing menus of the processor s input channels Buttons 1 2 3 and 4 allow the user to enter the editing menus of the processor s output channels
31. octave to 3 octaves in steps of 0 05 octave and can be adjusted by rotating the PM2 encoder Gain the selectable gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM3 encoder Low shelving filter As an example if you want to set a low shelving filter within EQ 1 then the PM2 encoder has to be rotated counter clockwise until the desired low shelving filter say 6LoSh appears on the screen the GAIN at say 3 0dB using the PM3 encoder and the high cut frequency at say 1 00KHz with the NAV PM1 encoder the t racks The EQ sub menu screen will show the following Out 1 Name EQ 1 gt 1 00kHz 6LoSh 3 0dB Note Once the desired low shelving filter is selected the PM3 can then be used to select the desired GAIN and when the GAIN is set at a value different from 0 0dB then the filter type cannot be changed until this GAIN is returned to 0 0dB Once in the low shelving filters edit screen all the filters parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the filters high cut frequency filters order and gain The Hi cut frequency of the low shelving filter can be edited using the NAV PM1 encoder the filters order can be adjusted by the PM2 encoder and the gain the PM3 encoder Hi cut frequency the selectable frequency range is from 20Hz to 20kHz in steps of 1 24 of an octave and can be adjusted by rotating the NAV PM1 encoder
32. range is from 20Hz to 20kHz in steps of 1 24 of an octave and can be adjusted the t racks by rotating the PM2 encoder High pass type and order allows you to select the X Over s high pass filter shape and order The available shapes and orders for the high pass filter that are accessible by rotating the PM3 encoder are listed below No cut Off high pass filter bypassed Butwrth 6dB Butterworth filter 6dB Oct slope Butwrth 12dB Butterworth filter 12dB Oct slope Lnk Ril 12 dB Linkwitz Riley filter 12dB Oct slope Bessel 12 dB Bessel filter 12dB Oct slope Butwrth 18 dB Butterworth filter 18dB Oct slope Butwrth 24 dB Butterworth filter 24dB Oct slope Lnk Ril 24 dB Linkwitz Riley filter 24dB Oct slope Bessel 24 dB Bessel filter 24dB Oct slope Note 1 once the desired options have been selected using the 2 encoders they are automatically saved as current and stored in the DSP24 system status once leaving the page Note 2 to exit this page push the ESC button LPF from this sub menu it is possible to set the output channels low pass filter LPF The following is an example of a LPF sub menu screen with the filter set at 24dB Linkwitz Riley on output 1 using the name Low see later for assigning a name to the outputs Out 1 Low LPF gt 20 0 Hz Lnk Ril 24dB The filters parameters can be modified by use the PM2 and PM3 encoders for editing the f
33. set b available 3 1 Out X Name EQ X gt 1 00kHz 6 12 HiSh 0 0dB Freq 20Hz PM2 N A Amp 15 0dB gt 1 00kHz BW 1 00 upto Freq 20Hz BW 0 05 Amp 15 0dB 0 0dB 7 filters AUKEE TISUUP available 20kHz 3 00 15 0dB If through the PM2 being the filter s gain 0 0dB has been selected a low shelving filter just defining its Slope 1 or 2 order available 6dB or 12dB then the low shelving filter can be set by the following parameters NAV PM1 Encoder to navigate within the menus 3 2 3 3 V NAV PM1 Enc to choose values for the parameters no need to confirm the chosen PM2 Enc PM3 Enc values which are automatically loaded during the encoders use Out X Name EQ X gt 1 00 kHz 6 12 upto Freq 20Hz LoSh 7 filters l 0 0dB available 20kHz If through the PM2 being the filter s gain 0 0dB has been selected a high shelving filter just defining its Slope 1 or 294 order available 6dB or 12dB then the high shelving filter can be set by the following parameters Out X Name EQ X gt 1 00kHz 6 12 upto Freq 20Hz HiSh 7 filters l 0 0dB available 20kHz Out X Name VU Meter VU Meter Level Ii ESC ENTER VU Meter Level PAR1 N A Out X Name Name Name Name Ii ESC ENTER gt Name Utility menus use Out X Name Source Source InA Ii ESC ENTER gt Source InA PAR1 N A Out X Name Gain Gain 0 0 dB I
34. sword In this submenu you can activate or deactivate the password protection for the unit Enable access restricted Disable access granted Press ENTER button to subsequently input the password Finish by pressing ENTER again The LCD shows Enable Password Password Disable Use ences e or PMS to toggle the display to DICH ITE S If you press the ENTER button now Md tein IS active In this condition the default LCD shows a lock symbol the following functions of the DSP24 are locked gt Displaying and editing of output parameters Gain Limiter Polarity HPF LPF EQ1 EQ7 and VU meter gt Saving presets To regain full access to the unit enter the sub menu Enable Password to deactivate sgt geal by entering the correct password imitando dE 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 the NAV PM1 encoder clockwise and counter clockwise For parameter editing it is necessary to press ENTER and then an arrow gt will appear on the left of the screen Then use the PM2 and PM3 encoders for selecting and setting the parameter values On those parameters that have three independent values you will also need to use the PAR1 encoder e g fi
35. t 1 3 SYSTEM UTILITY lt lt Delay units gt gt 1 4 SYSTEM UTILITY lt lt Ramps on changes gt gt 1 5 SYSTEM UTILITY lt lt Software version gt gt lt lt Program Utilities gt gt ESC ENTER 2 1 PROGRAM UTILITY lt lt Recall a program gt gt 2d PROGRAM UTILITY lt lt Save a program gt gt 2 3 PROGRAM UTILITY lt lt Delete a program gt gt lt lt Interface utilities gt gt ESC ENTER PM2 or PM3 Encoder to choose option then ENTER to load it indicates the selected option gt Input routing Source Analog ENTER Source Digital gt Power on procedure Fade In On i ENTER Fade In Off gt Delay units Unit Time ms ENTER Unit Distance m SC Ramps on changes Ramps Off Ramps On ESC Software version Version V1 00 il ENTER ENTER not editable Recall a program 01 Preset 01 ENTER 16 Preset 16 Save a program 01 Preset 01 ENTER 16 Preset 16 SC Delete a program 01 Preset 01 ENTER l 16 Preset 16 more about this later NAV PM1 Encoder to navigate within the menus 3 1 INTERFACE UTILITY Interface Setup lt lt Security Utilities gt gt ESC ENTER 4 1 SECURITY UTILITY User Password 4 2 SECURITY UTILITY Enable Password NAV PM1 Encoder to navigate within the menus 1 InputA B Gain Gain 0 0 dB Ii ESC ENTER gt Gain 0
36. tating the NAV PM1 encoder Bandwidth BW the selectable BW range is from 0 05 octave to 3 Octave in steps of 0 05 octave and can be adjusted by rotating the PM2 encoder Gain the selectable gain range is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM3 encoder Low Shelving Filter As an example if you want to set a low shelving filter within EQ 1 then the PM2 encoder has to be rotated counter clockwise until the desired low shelving filter say 6LoSh appears on the screen the GAIN at say 3 0dB using the PM3 encoder and the high cut frequency at say 1 00KHz with the NAV PM1 encoder The EQ sub menu screen will show the following Input A EQ 1 gt 1 00kHz 6LoSh 3 0dB Note Once the desired low shelving filter is selected the PM3 can then be used to select the desired GAIN and when the GAIN is set at a value different from 0 0dB then the filter type cannot be changed until this GAIN is returned to 0 0dB Once in the low shelving filters edit screen all the filter parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the filter s high cut frequency filter order and gain The hi cut frequency of the low shelving filter can be edited using the NAV PM1 encoder the filters order can be adjusted by the PM2 encoder and the gain the PM3 encoder Hi Cut Frequency the selectable frequency range is from 20Hz to 20kHz in steps of 1 24 of an octa
37. ts inside Warranty will become void if you open the housing and you face the risk of electric shock e Do not place objects containing fluids e g flower vases or beer bottles on or near the device e Notice regarding power disconnection To disconnect the device from the power source the power plug must be removed from the power socket For this reason the device must be placed in a position where a constant unobstructed access to the power socket is assured thus in an emergency situation you are able to immediately pull out the power plug To eliminate the risk of fire you must completely disconnect the power plug from the power socket when the device is not in use e Always grasp the power cord by the plug Do not pull on the cord itself and never touch the power cord with wet hands as this could result in a short circuit or an electrical shock Do not place the device speaker cabinets or anything else on the power cord and make sure that it does not become clamped Place the power cord in a position where it can not be trod on A damaged power cord can cause a fire or an electrical shock Check the power cord from time to time Should it become damaged contact our customer service centre to have it replaced e Never manipulate the power cord or the plug If a power cord is provided with an earth lead this is mandatory to ensure safe operation ZN Risk of fire e NEVER leave the device unattended while it is switched on e Never
38. ve and can be adjusted by rotating the NAV PM1 encoder Low Shelving Order the selectable low shelving filter range can be selected between the ist Lo 1st and the 2 Lo 2nd one Gain the selectable range of gain is from 15dB to 15dB in steps of 0 5 dB and can be adjusted by rotating the PM3 encoder High shelving filter As an example if you want to set a high Shelving filter within EQ 1 then the PM2 encoder has to be rotated counter clockwise until the desired high shelving filter say 6HiSh appears on the screen the GAIN at say 3dB using the PM3 encoder and the low cut frequency at say 1 00KHz with the NAV PM1 encoder The EQ sub menu screen will show the following Input A EQ 1 gt 1 00kHz 6LoSh 3 0dB Note Once the desired high shelving filter is selected the PM3 can then be used to select the desired GAIN and when the GAIN s set at a value different from 0 0dB then the filter type cannot be changed until this GAIN is returned to 0 0dB Once in the high shelving filter edit screen all the filter parameters can be modified using the NAV PM1 PM2 and PM3 encoders for editing the filter s low cut frequency filter s order and gain The Lo Cut Frequency of the high shelving filter can be edited using the NAV PM1 encoder the filter order can be adjusted by the PM2 encoder and the Gain the PM3 encoder Lo Cut Frequency the selectable frequencies range is from 20
39. with the chosen name The following transitory screen will appear on the LCD Saving to Memory 10 Stage 1 2x2 Once the preset is stored the above screen will disappear returning to the following screen PROGRAM UTILITY SavaProgrm If during the preset storing process you want to overwrite an existing memory location select this location in the Save a Program page Then press 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 2x2 If you wish to proceed press ENTER again and the DSP24 will go ahead with the Program Name page and then subsequently overwrite on completion of the previously described storing process e Delete a Program this page allows you to delete a preset already stored in the DSP24 memory PROGRAM UTILITY Delete 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 as 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 1
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