User Manual DA 230
Contents
1. example 2 example 3 Using passive loudspeaker components in a very flexible manner easily combining using and operating with the digital controlled amplifier DA 428 and DA 230 Attenti2. or auto detection see page 14 After this please select the following routing for both DA 230 Out A A B di L R left subwoofer mono signal sum A B 6dB Out B A B di L R right subwoofer mono signal sum A B 6dB 11 10 Link mode content of link channels Here you can define which audio signal is on the link A If you choose the menu item source the input signal is also on the link socket available that means input signal output signal independent if there is an analogue or digital input signal If you do not choose the menu item source you will get always a digital link signal on the link socket all link possibilities for channel A are listed below The link of channel B can always reproduce the input signal of this channel always analogue that means input signal output signal digital link signal Display shows A and B digital stereo out of A B A B d1 A B digital mono out sum of A B or d1 mono A B d1 mono Example 1 You will drive a passively channelled PA system with your DA 230 the stereo input signal is analogue Please plug in the left input signal to input A and the right input signal to input B of DA 230 On the link socket A you need a digital signal e g for a digital recorder After adjusting the input mode see page 11 please set the following link mode for link A link A A B d1 works as AD converter analogue stereo in digita
3. User Manual DA 230 mer tal 2 channel ampli igi completely d 1 Introduction Thank you for choosing a K M E product This completely digital 2 channel amplifier with DSP functionality is based on a similar technology platform like the active units of the VERSIO series The exceptional and ground breaking performance of this digital amplifier allows an optimization for all passively driven PA systems It provides a loudspeaker specific configuration and functionality With this compact and sophisticated amplifier you will be able to master your reinforcement situations in a very flexible manner main PA full range mode monitoring fill system delay line In this User Manual you will find some hints and warning notes for your new product with which a save use of the DA 230 is allowed Please read this instructions before you switch on the unit for the first time to get in touch with particular features of your new product If you have questions about this product please contact the K M E support Within our extensive production processes we only use exclusive materials and components of best quality Share with us the enthusiasm for good sound The K M E team wishes you fun and success with your new completely digital DSP amplifier 2 Contents 1 Introduction 2 COMETS serienn EEE EE REE AA EEEE E 2 3 The completely digital 2 channel DSP amplifier 3 4 The delivery status
4. 7 Navigation structure on the hardware unit Main Menu Preset Delay Out A B 0 400 m Equalizer Out A B EQ 1 6 Frequency 35 12000 Hz Q 00 7 12 5 ihe 12 12 dB Shape PEQ Shelf EQ 2 5 Frequency 35 12000 Hz E Q 00 7 12 5 Gain 12 12 dB Crossover Out A B HP Frequency 35 8000 Hz H Subsonic 12 dB 24 dB LP Frequency 35 8000 Hz LP Off 12 dB 24 dB Dynamics Out A B Threshold 24 00 dB Attack 0 127 ms Release 0 1270 ms Post Gain 99 0 dB Polarity Out A B C normal a j inverse Routing Out A B A d1 L B d1 R B always A B d1 L R Level Groups Out A B C independent Group 1 Mute Groups Out A B independent F Group 1 strong Group 1 weak Channel Names Out A B Names Preset Name gt Name Memory Card Load preset from card Save preset to card Load all from card Save all to card Input levels Display Mode z Output headroom Diagnostics LED Settings C Signal LED Threshold Out A B 60 10 dB User LED Threshold Out A B gt 50 0 dB Trigger Level gt 99 0 dB Power Management E Mode Always On Last State Audio Trigger Trigger Time gt 7 120 min System Input Mode In A In A analog In A digital In A auto detection Link Mode Content Link A gt Source A B d1 A B d1mono Password gt Password RSNC baud rate gt 1200 2400 4800 9600 19200
5. 38400 57600 115200 kbit s Brightness 7 127 Contrast 7 63 Firmware Update DSP Software E Firmware Version Update lC EEPROM 8 Operation All these software parameters can be set directly on the hardware device or with an optional software on the computer transfering the presets by SD card The names of the menu items refer to the user navigation on the device The menu items e Preset Delay adjust delay from 0 400m for each channel in 1 cm steps Equalizer 1 6 adjust equalizer per channel Frequency Q bandwidth Gain Shape Parametric Shelf fully parametrical EQ or Shelf function With this digital filter you can affect the frequency range by making adjustments of filter frequency center frequency the gain boost resp cut and the Q factor bandwidth If you adjust the sensitivity gain to O dB you deactivate this filter If you choose the type Low Shelf or High Shelf the bandwidth is not activated you can enter a value for the Q factor but it is ignored You can use the equalizer 1 as a fully parametrical equalizer or as Low Shelf and the equalizer 6 also as fully parametrical equalizer or as High Shelf Equalizer 2 5 adjust equalizer per channel Frequency Q bandwidth Gain With this digital filter you can affect the frequency range by making adjustments of filter frequency center frequency the gain boost resp cut and the Q factor bandwidth If you adjus
6. ccccccccecceccecseceeceeceeceeaeeeesueceeseeaesaeseeseeses 3 5 The control and CONNECTION panel ccec ccc eeeeceeteeteeeeeeeeeseeeeees 4 5 6 Powering up down 6 1 choosing preset play 05 6 6 2 selecting presets uerenneeenennee 6 7 Navigation structure on the hardware unit cccccecceeeeeeeeeeees 7 8 ODELAUON near nee es euren ner ee 8 10 9 Routing of input channels 0 ec cec cece eee eeceeceeeeeceeceeeeeeeeeeeeaeeees 11 10 Link mode content of link channels z220022220020 nenne 12 11 Specifications DA 230 uesseeeseesessnnsnnnnnnnnnnnnennnnen nennen 13 12 The most important menu functions 12 1 mute function 14 12 2 switching input between analogue or digital 14 12 3 entering password 15 12 4 lock function 15 13 System operation and extension cccceccecc eee eececeeeeeeeeceeeeeaes 16 18 14 EC declaration of conformity 2 220020020 cece eeeeeeeeseeeeeeeeseeeeeeues 19 15 Disposal of your old appliance 0 ce eececceeceeeeeeeeeeeeereeeeeseeeeeees 20 2 3 The completely digital 2 channel DSP amplifier The DA 230 is a completely digital 2 channel amplifier with 1500 W 4 ohm output power on each channel This compact light weight 19 2U device is equipped with comprehensive DSP features like matrix router 6 fully parametric equalizers two crossover ne
7. 3 6 1 Choose your preset play To adapt your completely digital 2 channel amplifier to your reinforcement system you have to choose and load the correct preset For selected applications the DA 230 includes some pre set presets If you would choose these presets please take care of the internal routing of the signal inputs and speaker outputs of the DA 230 provided that the input signal is analogue The DA 230 includes 12 factory presets in the internal memory which can be free programmed and saved on the actual preset You can change and save the name of the preset too You can save and load factory presets also on SD card How to do that and which changes are possible in the detailed submenu you will find on page 8 10 in this manual 6 2 Selecting presets In the following example you choose preset 3 please follow the instructions Output headroom info IX Output headroom info Bass o Bass nu Bass X N Bass RED Top L eae Top L o Top R Top R LY J X z gt T PN A C J For menu access gt AI For menu access Wd touch knob or panel 7 touch knob or panel Pr 1 Preset 1 Pr 3 Preset 3 After powering up the DA 230 for the very first time the left graphic appears on the LCD display Now preset 1 is loaded To choose and load for example preset 3 you have to press the marked arrow key twice and confirm with the OK button If you control your PA system with an analogue audio signal you can start now
8. E 0875 103 2 2010 70 DIN EN 55103 2 Klingenthaler Musikelektronik GmbH Auerbacher Stra e 268 08248 Klingenthal Germany phone 49 0 37467 558 0 www kme sound com Deutsch Entsorgung von Altger ten 1 Wenn dieses Symbol eines durchgestrichenen Abfalleimers auf einem Produkt angebracht ist unterliegt dieses Produkt der europ ischen Richtlinie 2002 96 EC 2 Alle Elektronik Altgerate m ssen getrennt vom Hausm ll uber daf r staatlich vorgesehene Stellen entsorgt werden 3 Mit der ordnungsgem en Entsorgung des alten Ger tes vermeiden Sie Umweltsch den und eine Gef hrdung der pers nlichen Gesundheit 4 Weitere Informationen zur Entsorgung des alten Ger tes erhalten Sie bei der Stadtverwaltung beim Entsorgungsamt oder in dem Gesch ft wo Sie das English Disposal of your old appliance 1 When this crossed out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002 96 EC 2 All electrical and electronic products should be disposed of a separately from the municipal waste stream via designated collection facilities appointed by the government of the local authorities 3 The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health 4 For more detailed information about disposal of your old appliance please contact your city office waste disposal service or shop where you pu
9. On time In this menu item you can pre set the operating status of the DA 230 If you choose Always On the DA 230 is always on That means after apply power supply connection the unit is automatically on and ready to play the lock function can be active If you choose Last State mode the DA 230 will always start in the last state of operating after power cycle the unit To reduce the power consumption e g in installations you can choose the Audio Trigger mode In this mode you can set a threshold value and a time value where the system automatically switched off when the threshold is not exceeded with an audio signal After the pre set time the unit is switched off If the pre set threshold value is exceeded during the unit is still on the time value counts again that means this function is a posttrigger function You can switch on the unit again by pressing the OK button or playing an audio signal which has a higher input level as the pre set threshold value Trigger source for the pre set time value are all channels System Input Mode only for channel A In A analog In A digital In A auto detection Here you can switch the input A to analogue or digital or auto detection By doing this you have the possibility to apply an analogue or digital audio signal on input A If you are choosing the menu item auto detection the DA 230 detect automatically the input signal That means you do not have t
10. R B always always analogue Bawas AB or OR ABNOR Example 1 You will drive an actively channelled PA system with your two DA 230 the stereo input signal is analogue and the subwoofers are driven mono Please plug in the left input signal to input A and the right input signal to input B of the first DA 230 Now you can link the input signals digitally to the second DA 230 link mode for channel A of the first DA 230 A B d1 Adjust the input mode for channel A of the first DA 230 to analog or auto detection see page 14 After this please select the following routing of the first DA 230 amplifier for the subwoofer Out A A B di L R left subwoofer mono signal sum A B 6dB Out B A B di L R right subwoofer mono signal sum A B 6dB Adjust the input mode for channel A of the second DA 230 to digital or auto detection see page 14 After this please choose the following routing of the second DA 230 amplifier for the top units Out A A d1 L left top unit s Out B B d1 R right top unit s Example 2 You will control an actively channelled bass array with your two DA 230 using a digital input signal Please plug in the digital input signal to input A of the first DA 230 Now you can link the input signal digitally to the second DA 230 link mode for channel A of the first DA 230 source Adjust the input mode for channel A for both amplifiers to digital
11. ature 12 speaker output 2x Speakon NL 4 2x 1500 W 4 ohms min impedance output power depends on preset Attention Please mind nominal load and impedance of the passive loudspeaker s you connect The speaker output A is interconnected with the output B for bi amp mode A 1 1 and B 2 2 13 M8 treads for rack mounting 4x M8 treads for 19 rack mounting 6 Powering up down To switch on off your DA 230 please follow the instructions 1 Apply power supply connection 90 250 Volt 50 60 Hz on DA 230 if the unit is switched to power mode Always On it is switched on now lock function can be active 2 Press for a very short time the OK button to switch on the DA 230 3 To switch off the DA 230 press for 1 second the left arrow key and than the OK button If the unit is locked please disconnect the power supply connection to switch off the DA 230 Note Switch on the DA 230 when all connected components are switched on and muted previously to avoid an unwanted sound reproduction As the DA 230 can be in lock function for rental purposes that means the unit may not react on changes on the control panel depending on adjustment before this can cause an immediate reproduction when switching it on Therefore it is necessary to mute all connected devices previously During power on for the very first time Preset 1 is loaded More information about the initial state you can find on page
12. e 4 p Z ZN directional dispersion of the subwoofers with an appropriate factory preset Ko ee nn m nn ln es m Ho oe se see hee se 4x DA 230 free configurable actively channelled PA systems with directional cardioid dispersion in the low frequency range right drawing Attention Please mind nominal load and impedance of the passive loudspeaker s you connect For more information please contact your K M E dealer or the K M E support 17 Multi channel mode with using DA 428 example 1 A eM U i A AY II II III HIN
13. el A Output headroom info A Preset 5x A Power Management QCB front E B Memory Card B System a OCB rear KA C Display Mode lt 2 A C Software JO D LED Settings Ree For menu access m ED lt touch knob or panel E jo Item SELECT Pager u e Ttem SELECT Page gt Pr 1 Preset 1 Back Confirm OK Back Confirm OK System System A Input Mod Input Mode B Link Mode Conitient 2 In A analog C Password In A digital D RSNC baud rate In A auto detection Jol Ttem SELECT Page gt je Item SELECT Page gt Back Confirm OK Back Confirm OK Press the marked arrow keys of the navigation pad one after another like shown in the scheme to switch the input to analog or digital or auto detection by the help of the encoder After the correct selection of the input press the OK button and leave the menu with the left arrow key 14 12 3 Entering password To lock the DA 230 with a password max 8 digits you have to enter it first This password can be changed or erased every time Note Keep in mind resp note down the entered password because if you want to unlock your DA 230 you have to enter the password again see lock function Should you have forgotten the password you have no possibility to re activate the DA 230 Please contact the K M E support Should the entered password had been cleared e g after a rental you have to assume a manipulation Follow now the instructions to activate the
14. h the OK button if necessary a data file name has to be entered You can leave the menu by pressing the left arrow key Display Mode Output headroom headroom display Input levels input level display Diagnostics operation display You can chose between three layouts of the LCD display The first one shows the headroom of all 4 amplifier modules The second one gives an overview about input level with O dB level The third one informs you about the temperature of the amplifier module and the PSU PowerSupplyUnit as well as the actual mains voltage of DA 230 LED Settings Signal LED Threshold adjustable per channel User LED Threshold adjustable per channel Here you can set the threshold value where the LED starts to light green when the set value is reached by the audio signal It is only an optical notice Here you can set the threshold value where the LED starts to light blue when the set value is reached by the audio signal This function allows you to set an optical limit for the volume level for your audience e g 6 dB you know your pre set value is reached Power Management Mode Always On after applied power supply connection the DA 230 is switched on Last State DA 230 starts in the last state of operating Audio Trigger depending on the input level the DA 230 switched automatically on or off Trigger Level enter threshold value for Trigger Time valid for all channels Trigger Time adjust remaining
15. he lock function you have to press the OK button again for 2 seconds and if entered before enter your password by the help of encoder A and confirm with OK Output headroom info 2 Output headroom info QCB front SEC QCB front OCB rear KAA OCB rear Unit locked KY For menu access gt Unlock long press OK touch knob or panel Pr 1 Preset 1 Pr 1 Preset 1 15 13 System operation and extension This overview shows you examples of using combination and extension of passive PA components within using DA 230 as heart and control center to adapt your reinforcement optimally to your audience System mode example 1 Bh N o hg la 1x DA 230 two independent and free routable channels e g full range or top units 2x passive top units or 4x passive top units example 2 1x DA 230 two independent and free routable channels e g bass array 2x passive subwoofers or 4x passive subwoofers 2x DA 230 free configurable actively channelled PA systems e g with top extension drawing on page 17 Attention Please mind nominal load and impedance of the passive loudspeaker s you connect For more information please contact your K M E dealer or the K M E support exampl
16. l 7 mains fuse 12 speaker output 13 M8 treads for rack 6 mains connector mounting Operation 1 rotary encoder with fast turn detection You can adjust the volume level of each channel independently If there is no menu item activated a short pressing of an encoder effects the status display of this channel By pressing the encoder a bit longer you are muting this channel To unmute the channel press the encoder again for a short time After unmuting the last volume level will be restored All encoders are used for choosing and setting of menu items resp values too 2 SD card reader s the interface to save and load presets from the card Firmware updates are also possible with this SD card reader You can also transfer user presets by SD card to copy it between in a number of devices The programmed format is FAT16 which is used on computers to read and write it 3 RGB LED Signalized different parameters per channel LED off there is no input signal or the device is not on LED green there is an input signal which is higher than the threshold LED blue the adjusted user threshold value is exceeded LED yellow max input level the limiter is working LED red there is a malfunction you have to power cycle the DA 230 LED cyan channel is muted LED white encoder will be used for entering of adjustable parameters LED magenta signalized external access is not used in this version 4 LCD display Is used as o
17. l stereo out 12 11 Specifications Electronic Output power 4 8 Ohm 2 x 1500 W 750 W Amplifier two fully digital amplifiers with high efficiency about 90 Frequency range 20 Hz 20 kHz hi unweighted per channel adjustable gain digital crossovers subsonic filter 6 fully parametric EQ s dynamic processor polarity 180 delay 0 400 m mute function matrix router Features for single channels short circuit DC on output impedance Protective circuits undercut for the whole device under over voltage temperature overload Power consumption 2500 W Power requirements 90 250 Volt 50 60 Hz PowerCon In Operation modes stereo mono 2 channel mode free routable Navigation pad 4 rotary encoders 4 RGB LEDs LCD display SD card reader line in 2x XLR sym link out 2 x XLR sym max 2 x analogue or 1 x digital amp 1 x analogue speaker output 2 x Speakon NL 4 RSNC module Processor OO Diaital input amp link AES EBU S PDIF with format sample rate converter Sen max 192 KHz Preset memory internal 12 presets additional presets on SD card Dimensions in mm WxHxD 483 x 88 x 375 Wein Control panel Connectors 12 The most important menu functions In this part of the user manual you will find a structured digest about the procedure for the necessary settings in the main menu and its functions If you pay attention to that a riskless use of the DA 230 is ensu
18. menu point Output headroom info A Preset A Power Management u OCB front u B Memory Card B System OCB rear xx O Display Mode C Software oo D LED Settings For menu access gt SV e d touch knob or panel o Je Ttem SELECT Pager Je Ttem SELECT Page gt Pr 1 Preset 1 Back Confirm OK Back Confirm OK System 2x System System A Input Mode j A Input Mode u Password B Link Mode Content er B Link Mode Content AN L C Password C Password D RSNC baud rate D RSNC baud rate le Item SELECT Page gt jo Item SELECT Paget _ Use encoders to set Back Confirm OK Back Confirm OK Back Save OK Press the marked arrow keys of the navigation pad one after another like shown in the scheme to open the sub menu password Now you can enter your password with the help of encoder A and confirm with OK You can leave the menu by pressing the left arrow key 12 4 The lock function To lock your DA 230 with or without password please do the following instructions Set all required parameters also the encoders volume control and press like shown in the graphics the OK button for 2 seconds and your system is locked now your unit is ready for a rental for example After pressing the OK button you have to disconnect the mains plug to switch off the unit When you connect the mains plug again the lock function is re activated That means you can not change any settings while the lock function is activated To deactivate t
19. n change the volume for both channels by using only one encoder For using this function you have to link the single channel s to the group If there is a volume difference in the pre setting between the single channels at the time of linking the difference still exists in the group Mute Groups Independent mute the channel independently Group1 strong can mute other channels too Group1 weak can be muted by an other channel and can be muted independently Here you can mute both channels separately resp in dependence of one channel For example you can select channel A as master Group1 strong and channel B as slave Group1 weak After this settings you can mute channel A and channel B is muted automatically too If you want to mute only channel B you can do it because it is independently switchable Channel Names enter a name for each channel max 9 digits Preset Name enter preset name max 12 digits Memory Card Load Preset from card Save preset to card Load all from card not as yet available in this version Save all to card not as yet available in this version In the internal preset memory of the DA 230 you can save 12 presets On an additional SD card you can save or load copy one preset or all presets from the amplifier to the SD card or the other way round Therefore you have to choose one of the menu items and by means of the navigation pad and the rotary encoder A you can select your preset s and confirm wit
20. o switch the input manually to digital or analogue On input B you can only operate with an analogue audio signal You will find more information on page 14 Link Mode Content only for link A Source A B d1 A B d1 mono The link mode of the DA 230 offers comprehensive possibilities for controlling the audio signal to analogue or digital systems You will find detailed information in the table on page 12 Password In this menu item you can enter a max 8 digit password If you have entered a password and activate the lock function you have to enter the password again to unlock the unit You will find detailed information on page 15 RSNC baud rate adjustment of communication parameter of the serial interface Brightness adjust brightness of the LCD graphic display Contrast adjust contrast of the LCD graphic display e Software Firmware Version Firmware Update DSP Update C EEPROM 10 9 Routing of input channels Here you can set the routing for each input channel This process depends on the input signal analogue or digital That means if you have chosen the input mode digital corresponds only for channel A because this input channel can operate with a digital audio signal too see page 14 the routing possibilities will be automatically switched to digital see table In the following table you will find all adjustable configurations per channel which can be chosen analogue or digital Borat B d
21. on Please mind nominal load and impedance of the passive loudspeaker s you connect For more information please contact your K M E dealer or the K M E support 18 EC declaration of conformity This is to certify that the following products Article 1 220 002 1 220 004 1 610 005 1 610 004 1 915 010 Product DA 428 fully digital DSP functionality DA 230 fully digital DSP functionality PANO PCU professional connection unit PANO NV 32 mains supply unit TCP IP Remote network module Group multi channel amplifier multi channel amplifier 19 Accessories 19 Accessories network module for digital amplifiers comply with the provisions of the Directive of the Council of the European Communities on the approximation of laws of the Member States relating to electromagnetic compatibility EMC Directive 89 336 EEC This declaration of conformity of the European Communities is the result of an examination carried out by the Quality Assurance Department of Klingenthaler Musikelektronik GmbH in accordance with European Standards This declaration is given by Klingenthaler Musikelektronik GmbH Auerbacher Stra e 268 D 08248 Klingenthal Klingenthal July 2013 VDE 0839 6 1 2007 10 DIN EN 610000 6 1 VDE 0839 6 3 Berichtigung 1 2012 11 DIN EN 610000 6 3 VDE 0839 2 Berichtigung 1 2011 06 DIN EN 610000 3 2 VDE 0838 3 2009 06 DIN EN 610000 3 3 VDE 0860 2011 10 DIN EN 60065 VDE 0875 103 1 2010 07 DIN EN 55103 1 VD
22. peration mode display of the DA 230 The arrows in the LCD display show the directions to navigate through the submenus see navigation structure All software parameters must be set on the unit itself Press the OK button to select a parameter To change a value in the submenus please use the four arrow keys or the encoders if you are asked by the unit 5 navigation pad Here you can switch on off the DA 230 and navigate through the menu The navigation pad is to be used for accessing and changing parameters on the display of the hardware unit Press the OK button if you are asked by the software see navigation structure Power 6 mains connector PowerCon in blue Attention use mains voltage of 90 250 V AC 50 60 Hz 7 mains fuse Replace fuse only by type 10 AT slow blowing fuse 5x20 mm 8 ground free switch Disconnects the ground of the input channels from chassis to avoid ground loops Inputs Outputs 9 LINE input 2x XLR sym input A can be switched separately between analogue or digital see navigation structure 10 Link output 2x XLR sym output A can be switched between analogue or digital see navigation structure The link output of channel A can be routed as processed digital output carrying AES EBU of 24 bit 48 kHz All link sockets are only active when the DA 230 is powered on 11 module slot with RS NC module Equipped with a RS232 connector and a normally closed contact fe
23. rCon connector 2 Neutrik Speakon sockets channel A is wired bi amp ensure the connection to the speaker systems An extensive set of protective circuits and digital monitoring components is included rounding off the professional features of this equipment The DA 230 is usable for intelligent bass management operation to system operation of passive PA components or realisation of professional multi channel systems within sound installations 4 The delivery status The scope of delivery includes 1x DA 230 1x PowerCon mains cable 1x rack mounting set 4x rubber base and user manual When you power up the DA 230 for the very first time the following default parameters in the main menu are pre set Preset 1 is loaded Sig LED threshold is adjusted to 50 dB User LED threshold is adjusted to O dB 0 dB deactivated output levels are shown on the LCD display input A is switched to analogue a password is not entered This User Manual corresponds to the software version V1 01 r40 It is obvious in the menu item Diagnostics 5 The control and connection panel DA230 SD CARD S OT CEANNFID TONE Z IOK 1N M DL CULM POTI DIGITALUSER NTERFACE NAVIGATION 2 SD card reader 4 LCD display 3 RGB LED 5 navigation pad 1 rotary encoder ya ce R n Wr PER ERROR 2 a fale N C O 8 ground free 10 link output 11 module slot switch 9 LINE input with RS NC Modu
24. rchased the product WEEE Reg Nr DE 84296747 Klingenthaler Musikelektronik GmbH Auerbacher Stra e 268 08248 Klingenthal Germany phone 49 0 37467 558 0 fax 49 0 37467 558 33 service kme sound com www kme sound com Technical State October 2010 The content corresponds to the state at printing Subject to technical alterations Misprints and errors expected 20
25. red 12 1 The mute function This function enables to mute separately every single channel of DA 230 with just one touch of a button Output headroom info Channel L OCB front Zu A OCB rear muted gt OCB front For menu access gt EQ 123 A N touch knob or panel long press to unmute Pr 1 Preset 1 Pr 1 Preset 1 Press for 1 second the encoder A or B to mute the channel A repeated pressing of the particular encoder causes the deactivation of the mute function see display If the mute function was activated before switching off the DA 230 the mute function is still activated after switching on the DA 230 again lf you are pressing an encoder for a short time during the mute function is activated you will see the state of the particular channel it effects also when the mute function is not activated You can also generate mute groups see page 9 12 2 Switching input A between analog or digital or auto detection The DA 230 offers the opportunity to plug in two analogue audio signals or one analogue and one digital audio signals If you want to use a digital audio signal you have to switch the input A to digital see page 10 In the delivery status input A is switched to analogue That means the DA 230 can be driven by two analogue input signals Further you can select the menu item auto detection for an automatical detection of the input signal of chann
26. t the sensitivity gain to O dB you deactivate this filter Crossover high pass low pass filter crossover function per channel HP Frequency Type subsonic filter 12 dB Q 1 2 or 12 dB octave or 24 dB octave LP Frequency Type off or 12 dB octave or 24 dB octave These digital filters crossover limit the frequency range The high pass filter can not be deactivated When you need a full range audio signal on the output you have to set the frequency to 35 Hz and choose a type of the high pass filter Dynamics adjust dynamics per channel Threshold Attack Release Post Gain This dynamic processor is working when the audio signal exceeds the entered threshold value The two time constants attack and release time draw the speed of the gain regulation mechanism and are depending to the program material With the post gain you can adjust your audio signal level Polarity adjust output phase for each channel choose between 0 or 180 J Routing routing possibilities for each channel A d1 L B d1 R B always A B d1 L R The routing of the DA 230 offers comprehensive possibilities for controlling the audio signal You will find detailed information in the table on page 11 Level Groups Independent volume is independently adjustable Group1 volume is dependently adjustable of an other channel With this function you are able to mute your channel s separately or dependently of one channel While using this settings you ca
27. tworks delay and dynamic processor per channel All parameters as well as user navigation can be managed using a simple 5 key navigation pad together with 4 rotary encoders The sophisticated user interface is completed by a graphic LCD display and 4 RGB LED s informing about relevant operation parameters and state of the single channels Factory and user presets may of course be stored inside the unit an SD card reader is implemented and can be used to easily transfer preset and system information to other units An preset editor software and various firmware add ons are available as well On the inputs side are 2 analogue connections as well as 1 digital port accepting AES EBU and SPDIF formats of 16 to 24 bit and 32 to 192 kHz sampling frequency 2 link sockets one of them carries the signal applied to the inputs can be routed as processed digital output carrying AES EBU of 24 bit 48 kHz The designers also implemented a module slot for future updates i e connections to audio control networks standard fitted with module RSNC equipped with a RS232 connector and a normally closed contact feature Global remote control is guaranteed using future firmware upgrade modules but even the standard version contains simple remote features Another important feature is the PFC controlled audio optimised wide range switched mode power supply of the last generation The outside power connection was realised using a self locking Neutrik Powe
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