Installation Manual for rainbow DSP 1.8
Contents
1. Pint Pin2 Pin3 Pin4 Pind Pin6 Pint Pin2 Pins Pin4 Pind Pin Pin7 Pin8 Ping Pin10 12V Battery 8 9 10 11 12 Telephone navigation input 13 14 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 REM in 1 Ground REM in 2 REM out Pin7 Channel 1 Pin8 Channel 2 Pin9 Channel 3 Pin10 Channel 4 Pin11 Channel 5 Pin12 Channel 6 Tel Navi input cc0as0 11 Pint Pin2 Pin3 Pin4 Pind Pin6 Navigation AUX In Ground Navi Phone Telephone AUX In Software App Installation Software DSP 1 8 At this Internet address you will find the DSP software app and documentation http www rainbow audio de qr dsp Or more quickly via this QR code m z S Download app via iTunes AppStore and install DSP 1 8 App for iPad Full version for professionals to setup DSP DSP 1 8 RC App for iPhone RC Version for end users with iPhone No setup possible DSP 1 8 RC HD App for iPad RC Version for end users with iPad No setup possible Android Download app via GooglePlay and install Windows PC Download Windows app software and USB driver via http www rainbow audio de qr dsp Step 1 Install USB driver Windows XP SP3 see page 13 Windows 7 see page 15 Windows 8 8 1 see page 16 Step 2 Connect DSP with PC via USB cable and wait until the USB devices have been installed Step 3 Ins2. Relais Terrae Masse nki Main fuse S Connection if required Se S ooo 22 i Generator housing Battery d H ei Potential equalization conductor Technical Specifications DSP 1 8 DSP Chip from Analog Devices 56bit Microprocessor from NXP Audio encoder OPAs and differential amplifier from Burr Brown 24bit 6 RCA inputs 6 high level inputs Molex No Auto On Off functionality Use AIV 630115 or 640004 1 stereo AUX input jack 1 stereo telephone navigation input Molex USB audio streaming input Windows PC S PDIF input 16 24Bit 44 1 48 96kHz MOST BUS input module optional 8 RCA outputs S PDIF output forwarding of S PDIF input 24bit 48kHz 2 separate remote inputs DSP configuration via USB through Windows PC software DSP configuration via WIFI module optional with smart device app iOS and Android Audio streaming via WIFI module optional from iOS Apple AirPlay 16Bit 44 1kHz and Android devices DLNA 16Bit 44 1kHz Audio streaming via USB from Windows PCs 16Bit 44 1kHz Real time DSP configuration 6 pre sets for configurations DSP configuration can be stored on PC smart devices and in an Internet CLOUD Usable in vehicles with start stop system Remote output loadable up to max 1 2A Technical Data DSP 1 8 Signal to noise ratio S N RCA input gt 100 dBA Signal to noise ratio S N AUX input gt 96 dBA Signal to noise ratio S N Toslink input gt 106 dBA Signal to noise ratio S
3. OSB O00 000000000 0 6 iPad Windows PC Lautst rke OO BO CHA CH A CHS cHe cH CH 8 PreSets d O9 PR3 PR4 0 36v PRS PRE 14 30 Hochpass Filter d d Erklarung fexpianation anklicken left click Doppelklick double left click Rechtsklick right click anklicken und ziehen Mausrad oder Pfeiltasten left click and move mousewheel or arrow keys Software App Driver Page DSP 1 8 Basic functions for simple day to day operation DSP 1 8 SEL Master Volume Sub Volume Sub Volume Presets PR1 PR2 PR3 PRS PRE Figure 1 Driver Page Input Submenu Figure 2 Driver Page Input Submenu Leveling Master Volume Total volume of all outputs Mute Muting of all outputs Sub Volume Control the volume of the output defined as Sub Inputs source selection Hi level High level input Submenu Stereo Front Rear F R S C 3 Ways S Summarize see In Out Matrix on the next page Level Adjust Set the input level clipping Enable Disable Activate or deactivate source input RCA Cinch input Submenu Stereo Front Rear F R S C 3 Ways S see In Out Matrix on the next page Level Adjust Set the input level clipping Enable Disable Activate or deactivate source input AUX Jack or Navi Phone input Submenu Stereo jack input only see In Out Matrix Navi Navi inp
4. SUB also activates the subwoofer volume control Default configuration All settings of this channel will be reset Change alias Define a name for this channel Muting Mute this channel Preset Load Loading and saving of the current configuration on the device or in the cloud Save Save the current configuration onto another preset Copy onto copy current preset into another preset Default configuration Resetting all settings Save in DSP Final save of programming on the DSP Delete from DSP current preset will be reset to factory settings ATTENTION ALWAYS USE Save in DSP WHEN THE PROGRAMMING HAS BEEN COMPLETED OTHERWISE THERE IS A RISK OF DATA LOSS 22 EQ Volume Gain center frequency Fc and Q factor Q can be set here Software App Overview Page DSP 1 8 Quick and simple overview of all settings JL REECH GE gE a Ge DSP 1 8 SEL vi i 10 Presets PRI PR2 eS WW PRS PRE 25 Tee E La Ed lt Figure 6 Overview Page Filter and Level Figure 7 Overview Page Equalizer Figure 8 Overview Page Time Delay and Phase Filter Displays the filters and volumes set for each channel EQ Displays the equalizer curves set for each channel Delay Displays the time delays and phases set for each channel Ch1 Ch8 By tapping the channels along with their fr
5. a function and select rainbow DSP as target device Open rainbow DSP 1 8 App and connect App with DSP Select Stream as input Open iOS music player and select desired title or disc and press play aORWN ch ree wr Er we WiFi Music Streaming under Android DSP 1 8 Attention May vary depending on device and Android version 1 Establish WiFi connection to DSP 1 8 2 Open rainbow DSP 1 8 App and connect App with DSP 3 Select Stream as input 4 Open any music player which supports Airplay a and select the rainbowDSP 1 8 as target device 5 Select desired title or disc and press play 24 Warranty Terms and Conditions DSP 1 8 With this consumer warranty AIV GmbH Co KG in Heilbronn Germany guarantees a two year materials and labor warranty on the product starting from the time of first use and or first installation by the authorized specialist retailer The warranty is exclusively limited to free substitution of defective parts the defectiveness of which is the result of faulty construction or material defects as well as to the warranty repair A warranty claim does not exist if defects resulted from inappropriate assembly transport damage mechanical damage or foreign interference Accidents forces of nature or other causes for which Rainbow cannot assume responsibility in particular water and fire are not subject to warranty The EC Declaration of Conformity is available at info aiv
6. de Version DGSJ 1 2 05 15 This document is protected by copyright Any duplication including printing in whole or in part and all reproductions of diagrams even in a modified version is permissible only with the written permission of AIV GmbH Co KG Germany Copyright 2014 2015 by AIV GmbH Co KG Rainbow is a registered trademark 25
7. of vehicles that have a 12 Volt DC power supply The ambient temperature can lie between OC and 60 Install the DSP only in the interior of the car or in the trunk Do not install the DSP in the engine compartment The DSP must not be covered or exposed to pressure Ensure that no foreign bodies or fluids can get into the DSP Ensure there is sufficient ventilation for the proper cooling of the housing Attachment Warning The heatsink can reach temperatures above 40 You should therefore avoid touching it with heat sensitive surfaces or materials Make sure that in the attachment site there are no elements present that could be damaged by the screws or during the attachment process Damage to the vehicle can compromise automobile safety and endanger passengers Fasten the DSP on the fastening lugs provided Ensure you have a secure stable base that can withstand the weight Avoid fastening the device to plastic parts or cardboard cladding Connecting Cables DSP 1 8 Warning Only use electrical cable with a sufficient diameter In doing so pay attention to the technical details in the appendix A larger diameter is always recommended The diameter of the grounding cable must be at least as large as that of the positive cable Where possible ensure that the grounding cable is the first cable that you connect to the DSP Lay the cables one by one and in succession Pay attention to performing a professional insta
8. sudden braking or in the event of an accident Do not bore or screw into vehicle lining or carpet before making certain that no important parts or cables lie beneath Take care to avoid gasoline brake and oil lines and electrical cables when planning the assembly Before starting the assembly disconnect the ground terminal from the vehicle battery and any additional batteries that may have been installed in order to avoid possible short circuits Should auto body panels need to be cut out or removed for the installation contact your automobile workshop Damage to load bearing auto body parts can void the vehicle operating permit Be careful when removing inside paneling Vehicle manufacturers use a diverse range of fastenings that can be damaged during disassembly Contents DSP 1 8 Safety Notice 2 Contents 3 Power Supply Indications 7 Determination of Central Ground Point 7 Technical Specifications 10 Technical Data 10 Device Connections 11 Software App Installation Software 12 Software App Windows Driver Installation 13 WiFi Module or PC Connection 18 Software App Connecting to DSP 18 Software App Operation 19 Software App Driver Page 20 Software App In Out Matrix 21 Software App Config Page 22 Software App Overview Page 23 WiFi Module Configuration 24 WiFi Music Streaming via iOS amp Android 24 Warranty Terms and Conditions 2
9. 5 This package contains 1 x DSP 1 8 1 x Power cable 1 x High level cable 4 x Fastening screws Manual Packaging Optional already contained depending on version 1 x USB cable 3m or USB cable 1m with WiFi module option 1 x WiFi module MOST module incl connection accessories External remote control incl connection cable Dear Valued Customer We congratulate you on your purchase of this superior product and thank you for placing your trust in Rainbow We have developed this installation manual with consideration of variations in the mechanical and acoustical characteristics of automobiles Nevertheless mistakes can still occur We would greatly appreciate your bringing any problems you encounter to our attention Sincerely Your Rainbow Team Before Beginning DSP 1 8 Notice The installation and setup of the DSP should be carried out only by qualified personnel Read this operating manual carefully and follow the advice contained in it for the connection and setup of the DSP Warning Before connecting external devices you should follow the relevant advice contained in the operating manual for that device Do not open the DSP and do not attempt to repair it If required contact your dealer only who will inform the customer service department Any unauthorized modification will void the warranty Installation Warning The DSP is designed for use exclusively in the interior
10. Installation Manual for rainbow DSP 1 8 DSP 1 8 Digital Sound Processor Part No RAC271014 DSP 1 8 WiFi Digital Sound Processor Part No RAC271016 Please read this manual carefully before beginning installation P N e _ rainbow AIV GmbH Co KG Tatschenweg 1 74078 Heilbronn Germany Telephone 49 7131 5953 0 Telefax 49 7131 5953 29 http www rainbow audio de User Safety Notice Please read all warnings in this manual They inform you of risks of personal injury and damage to property These products are intended for use only by those possessing the necessary specialized training The relevant safety regulations regarding auto body parts regulations on internal vehicle safety STVZO TUV as well as regulations of the authorized vehicle manufacturers should be diligently followed Hearing Impairment Sustained excessive volumes in excess of 85 dB can over time impair hearing ability Volume and Driver Awareness Use of musical devices can interfere with your ability to hear important traffic noises and therebyincrease the risk of an accident while driving Rainbow assumes no responsibility for hearing impairment injury or damage to property arising from the use or misuse of its products Work on Vehicle Do not operate your vehicle before all components of the loudspeaker system and the amplifier have been firmly and securely installed Many parts when unsecured can become airborne and hazardous during
11. N USB WIiFi input gt 106 dBA Channel separation gt 90 dBA THD 0 003 Frequency Response 0 1 dB 20 Hz 20 kHz Input impedance high level 33 Ohm Input voltage high level max 20 Vrms Input impedance RCA gt 47 Ohm Input voltage RCA max 4 Vrms 11V Output impedance RCA 50 Ohm Output voltage RCA max 4 Vrms 11Vpp Operating voltage 6 5 V 15 VDC Current draw 14 4 V 2A Bias current draw without signal lt 0 05A Remote output current max 1 2 A Dimensions W x H x D 200 x 179 x 40 mm Weight 0 9 kg 10 Device Connections DSP 1 8 OO OO sto Ge eke LJ ot Sey RCA inputs 6 high level inputs no Auto On Off functionality S PDIF input Toslink optical MOST Bus input optional Mini USB MOST Bus firmware updates USB input WiFi module optional RJ 11 input remote control optional OO OO O el ODO Power connection 3 status LEDs red error clipping green operating data yellow USB connection Mini USB Windows PC S PDIF output Toslink optical AUX input 3 5 mm jack stereo also for navigation and telephone 8 RCA outputs High level input Power connection ol 12 3 4 5 617 8 919
12. additional buffer capacitor This supplies sufficient current in the millisecond range through its high capacity 1F 20V and allows for additional suppression and smoothing of the supply voltage and the current The assembly is performed directly at the amplifier or at the distribution block Determining the Central Ground Point Completely install and check the system Make the negative connection of the audio system provisionally at the battery or at Point 1 Install the potential equalization conductor from the alternator housing to Point 1 Switch the system on insert a blank cassette or CD OdB track and set the volume to minimum Start the engine and activate all electrical loads including light heatable plates and fans If when the engine revolutions are increased whistling distortions become audible and if these increase or decrease in frequency with the revolutions then the ground connection has to be corrected Pull the antenna plug out of the car radio If the distortion disappears there is a loss of potential at antenna base to battery Corrective action Install a galvanic isolation filter Item No 140259 If the distortion persists proceed as follows Disconnect the negative conductor of the sound system from the battery and connect it to the engine block Check whether the distortion has been fixed Should the engine block fail to fix the distortion the auto body m
13. and changing of all functions Volur z S Low Pass Filter Phase 180 Oo Ka DS CH BR 7 Om 10 ono e Select channels a Low Pass Filter Master Cheb cm in a CS Ss O om Om Chani From channel To channel Output type SH Li Default configuration Tap to send i inal Ree gt a Pep al Fa E LEE Change alias ia en eee as ESON ASE Tap to change Muting Prest B 00d8 0 0dB 09dB dB 0048 or i o ED Se TE EE a gt 5000x SE eil ele OO COO COO OOO Ee KE Figure 4 Config Page Channel Submenu PS SCT age 210 Ge g AAAA o e e Plate 5 Config Page Equalizer Submenu Volume Set master sub volume Sub can only be changed when at least one channel Ch7 and or Ch8 has been defined as the subwoofer SUB High low pass Filter Setting the center frequency Fc slope dB Oct and characteristic But Bes Cheb Quick activating and deactivating of the filter via the switch I O Phase 180 Turning the phase of the current channel around 180 degrees via the switch I O Output level Setting the volume of the current channel Delay Setting the time delay of the current channel Channel Choosing the channel that you would like to configure Submenu Connect with Chaining channels in order to configure them simultaneously Copy Copy the configuration to or from another channel Output Type NORMAL or SUB
14. equency responses can be individually displayed or hidden Preset Selection of a preset 23 WiFi Module Configuration DSP 1 8 An active WiFi connection to the DSP must already have been established Via the symbol symbol one reaches the WiFi Settings The SSID module name WIFI password and WIFI channel can now be changed The SSID always begins with RainbowDSP_ The module can then be named as you please The password must be at least 8 characters long A combination of letters and numbers is recommended Default WPA password is rainbowdsp The WIFI channel should be chosen in such a way that no other active WIFI network is active on this channel There are 11 channels that may be selected A minimum gap of 2 channels to the next WIFI network is necessary a gap of 5 channels is recommended for distortion free operation The channels 1 6 and 11 are therefore recommended After making changes store the settings The current connection to the WiFi module will be automatically disconnected The module then restarts delay approx 1 minute After this also restart the DSP manually so that the WiFi module and DSP can re establish a stable data connection Yellow LED on DSP device must light up again A connection to the WiFi module from a tablet smartphone via WIFI can then be re established WiFi Music Streaming under iOS DSP 1 8 Establish WiFi connection to DSP 1 8 Choose Apple Airplay
15. llation When feeding through sheet metal parts always use rubber grommets Use appropriate cable lugs and insulation caps Do not bend the cables at a right angle Avoid contact with sharp sheet metal parts or surfaces that could damage the insulation Warning Before every service assembly or disassembly disconnect the terminals of the power supply from the battery In all cases at least the negative pole should be detached Always Install a fuse on the positive cable of the power supply coming from the battery and as near as possible to the battery terminal Whenever possible use the enclosed fuses When connecting an external capacitor always follow the instructions contained in the manual that came with the capacitor We are not liable for damage or injury caused by the improper use of external power supply systems Connections and Setup Warning Make sure that the grounding connection is sound Connect the cable to a metal part of the vehicle from which the paint and or other residues have been removed Use cables with appropriate lengths Keep the cables as short as possible So that the suppressor system can function properly the cinch input connections with metal housings must not come into contact with each other Packagin The DSP is packaged in a protective carboard box constructed for that purpose Do not damage the packaging keep it for later use in the event of damage to the DSP When you receive
16. ly amplifies everything that is present at the pre in or current input In order to dampen this effect the optimum has been realized at the output stages during the manufacturing process This is documented by the EU type approval whereby test specimens are examined for irradiating distortion and for self produced distortion Only after adherence to the EMD limit values is an E No assigned For the reasons mentioned the frequency range of the output stages should drop by at least 50 kHz in order to avoid unnecessary heating With output stages in Class A or preamplifiers in Class A higher bias current even in the low capacity range makes heating unavoidable and should not be confused with the described influence of distortion The removal of the distortion can only be accomplished through specific measures and already requires extensive expertise in the area of filtering technology during installation of the system Important and useful suggestions in this regarding can be found in the relevant technical literature Attention to the basic rules for laying cables central grounding and filtering of the current feed enables the provision of good basic suppression when quality cinch cables are used Special suppression problems which can arise in various ways depending upon vehicle type must be repaired according to each individual case directly by the particular specialist Head Unit Pre Amp Crossover Power Amp Power Amp
17. nd New Hardware Wizard Ss This wizard helps you install software for Rainbow Audio DSP ue If your hardware came with an installation CD lt 4 or floppy disk insert it now What do you want the wizard to do Ce Install the software automatically Recommended amp Install from a list or specific location Advanced Click Next to continue de lt Back Cancel e On the following warning message click on Continue Anyway Hardware Installation U The software you are installing for this hardware e Rainbow Audio DSP has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing a Continue Anyway STOP Installation e Click on Finish Found New Hardware Wizard Completing the Found New ays Hardware Wizard SS The wizard has finished installing the software for E Rainbow Audio DSP Click Finish to close the wizard Ready Windows will now complete the driver installation overall it detects 3 devices and the DSP will soon be ready to use 14 Important Do not yet connect the USB cable at this poi
18. ng 32 and 64 Bit Click YES to continue or NO to exit e On the following warning message click on Install this driver software anyway K Windows Security Ea Q Windows can t verify the publisher of this driver software ch Don t install this driver software You should check your manufacturer s website for updated driver software for your device gt Install this driver software anyway G Only install driver software obtained trom your m acturer s website or disc Unsigned software from other sources may harm your computer or steal information ray w See details e After the successful driver installation indicated by the green coloured text connect the USB cable to the DSP and then connect it to your PC Administrator rainbow DSP 1 8 driver setup H Gaza Installing the driver Please wait st Please connect the rainbow DSP 1 8 via USB cable now s any key to continue Ready Windows will now complete the driver installation overall it detects 3 devices and the DSP will soon be ready to use 17 WiFi module or PC connection DSP 1 8 Switch the DSP off Option 1 Connect the WiFi module to USB socket 6 on the DSP 1 8 Option 2 Connect the PC to USB socket 10 on the DSP 1 8 USB cable Windows PC Ensure that either the WiFi module or a PC is connected Parallel operation is not possible Switch the DSP on A yellow LED 9 on the DSP light
19. nt in time The USB cable is first connected after the driver installation Windows 7 e Double click on the setup file rainbow_DSP_1 8_ driver and confirm installation by clicking on Yes ew DSP 1 8 driver setup es s j This will install the rainbow DSP 1 8 driver version 1 0 1 0 2 on your computer Supported Windows versions are Windows XP Vista 7 8 and 8 1 including 32 and 64 Bit Click YES to continue or NO to exit e On the following warning message click on Install this driver software anyway Q Windows can t verify the publisher of this driver software Don t install this driver software i You should check your manufacturer s website for updated driver software i for your device gt Install this driver software anyway amp m acturer s website or Only install driver software obtained from your disc Unsigned software from other sources may harm your computer or steal information v See details e After the successful driver installation indicated by the green coloured text connect the USB cable to the DSP and then connect it to your PC ER Administrator rainbow DSP 1 8 driver setup Lo Installing the driver Please wait BERNS n gt cess Please connect the rainbow DSP 1 8 via USB cable now ey to continue Ready Windows will now complete the driver installation overall it detects 3 devices and the DSP will so
20. on be ready to use 15 Important Do not yet connect the USB cable at this point in time The USB cable is first connected after the driver installation Windows 8 8 1 Unfortunately in Windows 8 8 1 the following additional steps are necessary to temporarily deactivate the driver signing e Press the shortcut Windows S and i on your keyboard The settings menu of the Charms Bar appears on the right side of the screen e On the keyboard hold the Shift ft key and at the same time click On Off and then Restart Hibernate Shut down alll a Notifications Power Keyboard Change PC settings Afterwards a blue coloured screen appears Choose an option e Click on the following in order Troubleshooting Advanced Options Startup Settings Restart bottom right After the restart another blue coloured screen appears Startup Settings e Press the key F7 or 7 on your keyboard to select the option Disable driver signature enforcement Windows starts with the selected option now and you can begin with the driver installation 16 e Double click on the setup file rainbow_DSP_1 8_ driver and confirm installation by clicking on Yes rainbow DSP 1 8 driver setup This will install the rainbow DSP 1 8 driver version 1 0 1 0 2 on your computer Supported Windows versions are Windows XP Vista 7 8 and 8 1 includi
21. s up when a data link is established When using the WiFi module the yellow LED 9 lights up for approx 15 seconds after the DSP has been switched on Software App Connecting to the DSP DSP 1 8 A data link via cable or WiFi module must be active yellow LED on the DSP device is on To connect the software app with the DSP click the connect symbol above left and then confirm the desired connection to be established When using the WiFi module a connection to the WiFi module must be established via the WiFi settings on the smartphone tablet To that end activate WiFi on the device search for WiFi networks select the WiFi module network RainbowDSP_ and enter the corresponding WPA password default password is rainbowdsp A WiFi connection to the WiFi module will then be established A connection via the software app to the DSP is now possible 18 Software App Operation DSP 1 8 Operation of the software app using Apple iPad Ze 14 30 100 Lautstarke os Sa H H H i H d d Kan le KO Hochpass Filter Tiefpass Filter T gt Phase 180 sl ee er fa Za Jaa i H Erkl rung explanation ispegel ay antippen tap doppelt antippen double tap antippen und halten tap and hold bai CHa antippen und ziehen tap and slide o gt e e e e e e e ege gel Motte ttt eT LC o gt pill PR3 PR4 Ki 0 36v o AA
22. tall DSP software 12 Software Windows Driver Installation DSP 1 8 Important Do not yet connect the USB cable at this point in time The USB cable is first connected after the driver installation Windows XP SP3 and later e Double click on the setup file rainbow_DSP_1 8_ driver and confirm installation by clicking on Yes rainbow DSP 1 8 driver setup xi 9 This will install the rainbow DSP 1 8 driver version 1 0 1 0 2 on your computer D Supported Windows versions are Windows XP Vista 7 8 and 8 1 including 32 and 64 Bit Click YES to continue or NO to e e After the successful driver installation indicated by the green coloured text connect the USB cable to the DSP and then connect it to your PC cx rainbow DSP 1 8 driver setup ss Please connect the rainbow DSP 1 8 via USB cable now s any key to continue Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only Yes now and every ti connect 4 device No not this time Click Next to continue de Back Cancel 13 e Select the option Install the software automatically Recommended and click on Next Fou
23. the DPS check that 1 The packaging is intact the contents correspond to the specifications and the product is in no way damaged 2 In the event of missing or damaged parts please contact your dealer immediately In doing so quote the model as well as the series number which can be read off the lower part of the DSP 5 Installation DSP 1 8 Fasten the DSP at a suitable well ventilated position in the vehicle preferably on the chassis panel with the enclosed or similar sheet metal screws and using the insulating washers The heatsink of the DSP can attain a high surface temperature Sufficient distance from temperature sensitive parts is absolutely essential Caution Before the isolation work at least detach the negative pole of the battery This work requires expertise and should be performed with careful consideration of the relevant safety regulations Power Supply Indications DSP 1 8 In order to prevent variations in voltage and ground loops the same cable diameter must be used for the negative conductor as for the positive conductor Because of the large differences in potential the auto body is not suitable as the negative pole for this application In order to prevent distortion all audio devices must be attached to a central ground This can be determined during installation in accordance with the type of vehicle A direct connection at the negative terminal of the battery is not always ad
24. ust be swept with the negative conductor of the system while the engine is running until a clear distortion minimum arises Expose this point Point 2 and rid it of underbody protection Fasten a screw with a large diameter at this point Clear the area on the auto body around the screw and protect with auto body grease Attach all ground cables to this screw or place a distribution block and distribute to all devices central ground point Residual distortions can be fixed using an LC filter in the positive conductor A millivoltmeter smallest voltage drop or millionm meter smallest resistance can also be used to search for the central ground The engine block or Point 1 should always be the point of reference Digital electronics in vehicles cause an unmistakable distortion spectrum into the GHz range interference from radio reception and car telephones The switched mode power supplies of the amplifier digital tuner and CD player also contribute strongly to current contamination All of the distortion spectra appear in the supply lines and are partially processed in the amplifier output stages This results in a coarsened sound pattern with veiling in the high frequency range The output stages are already intensely heated in the no load operation or in the smallest capacity range by high frequency distortion The preliminary input stage of the amplifier cannot differentiate between music and distortion and therefore faithful
25. ut mono with automatic switching Phone Phone input mono with automatic switching Enable Disable Activate or deactivate source input 20 Stream USB Digital input via WiFi module or via USB connection Submenu Stereo see In Out Matrix Enable Disable Activate or deactivate source input Toslink Digital optical input Submenu Stereo see In Out Matrix Enable Disable Activate or deactivate source input MOST Digital optical input for OEM integration optional Submenu Stereo Front Rear see In Out Matrix Enable Disable Activate or deactivate source input Please deactivate unused inputs This prevents the selection of unused inputs and thereby also prevents possible distortions Presets Selection of a pre set Programming see Config Page Software app In Out Matrix DSP 1 8 The inputs and outputs can be connected with each other in different ways according to predefined patterns Example Stereo Signal at Ch1 input is output at Ch1 Ch3 Ch5 and Ch7 output Stereo Front Rear 3Ways Sub Input Output Input Output Input Output 8 chi SCH ei ch ch1 chi Hgo Front Rear Sub Input Output S ei Ch1 Summarize Input Output SCH ei cht o ofo o pS Ch4 mO Oon ch3 ei Ch5 SECH ei Ch5 cha Ch6 on Le Ch chs ei CH ei CH Cet i 9 Ch8 L Ch8 Figure 3 Input Output Matrix Software App Config Page DSP 1 8 Setting
26. vantageous due to the possibility of technical failure For this reason choose the engine block or search for a minimal disturbance on the auto body and from this point supply all devices with the negative conductor use a distribution block The same criteria apply for the positive terminal The battery lines must be placed on a distribution block to avoid distortion loops All audio devices including radio and CD player as well as all memory wires are supplied with current from this point If for reasons of interference suppression the positive current supply must be filtered then only one filter choke with an appropriate total load capacity should be placed into the main line pay attention to the total current of all devices Additional filters in the positive supplies of individual devices worsen the suppression effect With high playback volumes especially in the bass range the amplifier can prematurely distort clip due to the voltage drop on long cable lengths This can be prevented by using a cable with a large diameter and minimizing the transition resistance at the connection points Appropriate precautions can be taken by using low loss battery clamps and distribution blocks during the first installation With insufficient cable diameter or large current requirements within the impulse range of the bass rendition or by active operation of more than one amplifier the clipping can be improved through the use of an
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