User's Guide
Contents
1. DIGISe ate w PCl Bus Digital In Out Card 16 20 24 Bit Digital Audio Distributed by Synthax MUSIK MAROWARE ONG Contents 1 Introduction 3 84 te ret hee atta EEE 2 2 Supplied Contents ccccccceeeseeceeeeeeseeeeesaeeeeeeesaees 3 3 System Requirement c ccccsceceeeeecseeeeeseeeeeneeesees 3 4 Brief Description and Characteristics 3 5 Technical Specifications ST OVEWICWisss doitavta ceca Sa a N A 4 5 2 Transfer Modes Resolution Bit per Sample 4 6 Hardware Installation cccccceecssceeeeeeeeeeeesteeeeeees 4 7 Software Installation 7 4 Windows OS etal bea saeS basccecdstineesiichewibyabheattanebbon clasts 5 7 2 Windows NT nde nasvmsttictadsanictieiedcann ible 5 7 3 Power PC MACOS cisnienacscneaenacecinnanicaadee 5 8 Operation and Usage 8 1 CONNECTIONS srein diik ipinkin en KERNA AAE ARERR 6 8 2 Playback ureei eirin Ea NENE 6 8 3 Record enean aii aae iadaa 7 8 4 Record while Play asesseessseessrnessrresssrnesnnnnerrnnnsnenns 8 9 Configurating the D IG I3 2 gT General isien n E E A 9 9 2 Windows 95 cssdecctiastiislashaattndocalsnndscebaitnwonnatien 10 9 3 Windows AA E 10 OA MACOS E E cathe A hes 10 10 Using more than one D IG 13 2 VO Generales anner EE A A AEDA 10 10 2 Synchronisation eneee eneren 11 10 3 Varisp ed penance ieai 11 11 Special Features of the Digital Output 12 12 Troubleshooting oe a 12 13 Installation2. of the D IG I3 2 as before while Plug amp Play is disabled Windows reports an unknown configuration This can be corrected by acti vating Use automatic settings e Check that the DIGI3 2 has been set as transmitting device in the software Also check the settings under gt Settings Control Panel Multimedia Advanced lt Here the D IG I3 2 must appear as an audio device when it s been correctly installed and can be set as the preferred device under Audio User s Guide DIGI32 ORME 12 Playback works but recording doesn t Check that a valid input signal is at hand In this case the Error LED on the hardware extin guishes and the actual sample frequency is shown under Settings If you are sure that a valid signal is being sent but the LED is still red then check the chosen input Check that the D IG I3 2 is set as recording device under the software being used Check that the setting of the sample frequency in the software recording properties or simi lar relates to the adjacent signal The recording or the playback is disturbed by crackling Increase the quantity and size of the buffers in the software being used Use a different cable coaxial or optical to cross check them for defects The computer hangs after the first access on the DIGI32 If you are using a graphics board with S 3 chip 968 then a memory allocation error might be the reason Please change the used memory area with Resources so t
3. software is set at 44 1 kHz Because of this peculiarity RME has given the DIG I3 2 two unique features an Error LED for the active input in use and a visual display of the actual sample frequency The Error LED indi cates wether a valid input signal is present Whenever an error occurs wrong input invalid data signal delivering device delivers nothing the LED will light red As soon as a valid input signal is present this light will go off The display of the sample frequency see chapter 9 picture Properties in the Device Manager offers a similar function If none of the standard frequencies 32 kHz 44 1 kHz or 48 kHz come up then Out Of Range will appear and by an error detection No Lock Therefore configurating the software to perform a digital recording is child s play After choosing the correct input D IG I3 2 will show the actual sample frequency You can now enter this in formation into the corresponding dialog box of the recording program Additional D IG 13 2 includes a safety function that checks the sample frequency For example feeding a signal with 48 kHz and trying to record with 44 1 kHz is not allowed Otherwise recor dings with a wrong pitch would be the result User s Guide DIGI32 ORME 7 d The screenshot to the right shows an example Ea Attributes Bue of a dialog box in this case of the wave editor WaveLab from Steinberg which allowes the Channels p Sample Rate
4. use of 20 bit and 24 bit functions with the Mono c khz D IG1I3 2 With this dialog box you set the 2 eae A ee characteristics of the wave data to be recorded EADE TANA in detail m Bit Resolution z C Bbit e i X Cancel The choice of bit resolution is optional as long C 16bit z as it is supported by the hardware You may C 20bit eee 2 te record only in 16 bit mode even with an input of 24 bit ne 24 bits Bits 17 to 24 are then ignored and the C 32bit c fen ses refore all signals 95 dB below Full Scale will be lost without the chance of recalling them On the other hand recording in 24 bit from a 16 bit source brings no advantages but wastes pre cious memory space on the harddisk Normally the output of the card is switched off Often it is helpful to monitor the input signal or pass it on For such cases the D IG 3 2 is fitted with a monitor function which can be set in the Settings dialog of the DIGI3 2 driver Output Automatic Activating the recording software using Pause or Play leads to passing the input signal direct to the output In some cases the record program itself handles the monitoring the settings in Ouput then won t change anything 8 4 Record while Play D IG I3 2 allows the playback of wave data during the recording of further wave data This fea ture known as Full Duplex or Record while play is unavoidable for multitrack harddisk recor ding but it must be supported by the
5. DIGI32 ORME 9 Changes to the settings should not be made during record or playback as it might come to disturbances in some cases even to a crash Please be aware that several programs won t stop playback or record technically do not close the device even in Stop mode Thus changing the settings might not have any immediate effect In general we recommend if available to disable the option Audio active in background and to enable Close Audio Device on Stop or similar 9 2 Windows 95 D IG I3 2 proves a fine example of integrating with Windows 95 s device manager But acces sing the DIGI3 2 inside the Device Manager is more complicated as it should be To shorten the laborious way to the registercard Settings a link is copied to the desktop C Windows Desktop its icon to C Windows Using the shortcut Ctrl Num2 the number 2 on the number block or a double click on the board lets you jump straight to the Device Manager From there it s only a few clicks to Settings If you need continous access to Settings simply don t close it With Cirl 2 Settings gets into the foreground at any time 9 3 Windows NT The official way to Settings in Windows NT isn t easier as with Windows 95 Because of this the RME Driver CD comes with an icon and two programs in the directory too s Please copy digi32 ico and digiconf exe in your Windows directory propably C N7 Next make a link to digiconf exe using t
6. G I3 2 asa splitter distribution 1 to 2 8 2 Playback D IG I3 2 sends digital audio data automatically in the parameters of the wavefile when the selected format is supported Otherwise the supplying software will report an error Firstly the card has to be set as transmitting device in the software in use look for Playback Device Device Audiogerat etc to be found under Options Vorgaben or Preferences Some seldom found programs only use Windows Prefered Playback Device This setting can be changed in gt Control Panel Multimedia Audio lt As resolution for playback we recommend 24 bit because in this setting the full potential of the DIG 13 2 is available Drawbacks with the 16 bit operation do not arise Step by Step instructions showing the setup process of some well known programs can be found in setup htm and setup2 htm in the directory rmeaudio com english techinfo on the RME driver CD User s Guide DIGI3 2 ORME 6 The picture to the right Eos or shows the smallest buf fer setting for a crackle E Display mm Units Tempo Time code Fe Database co a c oor free 24 bit operation ina i General Audio Card fF Toolbars StatusBar O Editing E Fie computer with 200 MHz i More or larger buffers m Playback m Live Input Recording produce an even higher bisz oum Zi 8 piasznn H meas re distur Buffer Number fa E Buffer Number
7. Problems with older PC sssssssseeseeseen 13 14 Soft and Hardware Compatibility 0 eee 14 15 TECH INFO sisesma aaas anaa 14 1e Wanay ereenn aa a E AAE 15 1 Introduction D IG I3 2 allows the recording of digital audio from CD DAT sampler or other digital sources directly into your computer The installation is made very simple even for the inexperienced user thanks to the most up to date Plug amp Play technology The support of up to 24 bit audio resolution and direct Hi Speed 32 bit data transfer puts D IG I3 2 at the top of the range of in terface cards available to date Drivers for Windows 95 Windows NT and MacOS allow a problem free comfortable and powerful usage on computer systems with PCI bus technology Our Hi Performance philosophy guarantees full system performance in all possible functions not carried out by the driver and therefore from the computer s CPU but carried out by the D IG I3 2 hardware User s Guide D IG132 ORME 2 Supplied Contents Please ensure that all the following parts are included in D IG I3 2 s packaging box PCI Card D IG I3 2 Short Info RME Driver CD Optical cable TOSLINK Internal cable 2 wire System requirements Windows 95 NT or MacOS A free PCI bus slot An unused IRQ Additional system requirements such as CPU memory etc depend on the software used for recording playing and editing the audio data A Brief Description and Characterist
8. RME Driver CD located in the directory rmeaudio comlenglish This allows to read and browse it offline directly from the CD Distributor in Germany Synthax Am Pfanderling 62 D 85778 Haimhausen Tel 49 08133 91810 Manufacturer Ingenieurb ro Muller Goethestr 22 D 09648 Mittweida Copyright RME Matthias Carstens 1 99 Version 3 3 Actual driver version 3 50 All entries in this User s Guide have been thoroughly checked however no guarantee for correctness can be given RME cannot be held responsible for any misleading or incorrect information provided throughout this manual Lending or copying any part or the complete manual or its contents as well as the software belonging to it is only possible with the written permission from RME Changes due to technical reasons will and can happen without the need of notificati on to anyone Trademarks All trademarks or registered trademarks belong to their respective owners User s Guide DIGI3 2 ORME 15 CE This device has been tested and found to comply with the limits of the European Council Directi ve on the approximation of the laws of the member states relating to electromagnetic compatibi lity 89 336 EEC according to EN 55022 class B FCC Compliance Statement Certified to comply with the limits for a Class B computing device according to subpart J or part 15 of FCC rules See instructions if interference to radio reception is suspected FCC Warning This equipmen
9. c sets the normal mode where the input signal reaches the output only PASELA CI Stas a FE whilst recording In this mode when star General Settings Driver Resources ting a recording feedback occurs very often in studios with digital mixing desks oa Play only solves this problem by making Automatic sure that the input signal is never passed naar A through to the output coasa mp C Intemnal C Play only After selecting Input the input signal appears always at the output when play JLi Iv AutoSync back is not active D IG I3 2 saves a continual recording standby mode and Sample Frequency p Output Format can switch itself to monitoring without 44 1 kHz 400 ppm l Consumer active software As the output options operate immediately stepping through f Professional the inputs gives a fast check of the in F Em aa coming signals wit AutoSync guarantees a fault free functi on of the modes Record Record while OK Cancel Play and while using more than one card see chapter 10 2 In specific cases like a direct connection of the inputs and outputs of a DAT with the D IG I3 2 AutoSync leads to a local feedback of the digital carrier In such cases AutoSync can be deactivated to avoid this local loop problem Specific information about the right choice of the Output Channel Status Output Format Con sumer Professional can be found in chapter 11 User s Guide
10. e is no display of the sample rate and of the slot number When installing more than one card Apply has to be pressed for each card once After clicking Apply the driver is added to the registry and the card is ready to be used 7 3 Power PC MacOS Working with various software on the Mac requires registering the card in the Sound Manager But the Sound Manager does not support more than 16 bit and 48 kHz A complete support of all the outstanding features of the D IG I3 2 is currently only available when using our ASIO driver with related software This allows up to 24 bit at a very low latency The driver file is located in the RME Driver CD s directory Mac and includes an installation pro gram After fitting the card see 6 Hardware Installation switching on the computer and boot of MacOS first decompress the file Stuffit format Then start the installer and follow the instructi ons on the screen At last the file Digi32 ASIO which is located in the new RME folder must be copied into the ASIO Drivers folder of the corresponding ASIO software It is not possible to use the D IG 132 Series with the control panel Monitors and Sound This is a restriction of the operating system That s why Apple still ships the old control panel Sound available in the Apple Extras Folder Drag it to the system folder before installing our card and drivers to gain complete access to the D IG as expected More informatio
11. fa E ance but also cause a longer delay in playing Buffer Size 2048 El Buffer Size 8192 g back the data In case of Latency 16bit 44 1k stereo 46 ms synchronized audio to M Convert mono to stereo MIDI playback be sure to m Preferred Playback Resolution _ Auto Stop if drops out activate the checkbox C Bbit C I6bit C Obit 245i Threshold fi E ak a play aa a m Playback cursor Playback Browser A ble in nT d V Get position from audio driver Sensitivity 200 ms El gram Because the Correction 200 ms fo ms fz I Restrict to Play Tool DIGI3 2 reports the actual play position cor X Cancel 2 Hep rect even in record whe re this is neccessary for chase lock sync there will be no sync problems when working in a mixed audio MIDI environ ment even with higher buffer settings 8 3 Record After the D IG I3 2 has been set up as recording device in the software being used at the time there are a few further points to note Because the operating system cannot define errors exact ly it may well be that you receive the same error message for very different types of problems As opposed to soundcards which produce empty wave files just noise even without an input signal digital in out cards must have a valid input signal to begin recording The correct sample frequency is also important There is no valid input signal available when a DAT plays back a tape which has been recorded at 48 kHz and the recording
12. hat it is adressed underneath the memory area of the graphics board for example D0000000 DOFFFFFF More informations on this subject can be found in the document install htm located in the directory rmeaudio coml english techinfo on the RME Driver CD 13 Installation Problems with older PC Older models without Plug amp Play compati ble mainboards often present some pro e nmsbustetsilens zix blems In such cases the configuration of General Settings Driver Resources the IRQ in the BIOS and the configuration of the memory area in Windows must be done i mug by hand In the Device Manager Settings A Control Panel System the DIG 132 vil usually appears in the category Sound Setting Basedlor video and game controllers A double click on the DIG I3 2 calls up the properties dialog and after selecting Re sources the interrupt and memory area shows up After disabling Use automatic settings the memory area can be changed the bottom part of the dialog box showing whether a conflict with another device will result out of the newly selected value The IRQs cannot be changed because Windows 95 strictly uses the settings from the main board s BIOS Resource type Memory Range 09000000 OSFFFFFF Ghenge setna Conflicting device list User s Guide DIGI32 ORME 13 14 Soft and Hardware Compatibility The D IG I3 2 series is fully compatible to PC s with PCl bu
13. he icon and the shortcut Ctrl Num2 the number 2 on the number block Using the shortcut Ctrl Num2 or a double click on the board lets you jump straight to Settings If the program digitray exe is started with a double click another D IG I3 2 icon will show up in the systray of the taskbar A click with the left mouse button will again open the Settings dialog the right mouse button ends this program Tip Copy digitray exe into the StartUp folder so that Settings is always in reach 9 4 MacOS Use the Sound control panel Sound Out to activate DIG I3 2 as playback device and set up the desired sample frequency for playback The Soundmanager will activate a software sample rate converter when the sample rate set up in Sound Out does not meet the one of the played back file For highest quality the sample rate of the card has to be identical with that of the played back file 10 Using more than one D IG I3 2 10 1 General The Windows 95 NT driver is able to communicate simultaneously with all the cards known to the system The driver marks them with different numbers after the device s name like DIGI32 In 1 User s Guide DIGI3 2 ORME 10 10 2 Synchronisation D IG I3 2 works exclusively in slave mode when recording The card continously searches for a valid input signal at the active input As soon as this matches the actual sample frequency the card switches from the internal reference quarz to the clock genera
14. ics Short full Plug amp Play compatible PCI card 16 20 24 bit audio resolution System integration with Windows Device Manager Display of the input sample frequency 3 inputs switchable during operation Outputs optical cinch work simultaneous signal distribution possible Accepts Professional and Consumer Format Ignores copy protection Error LED for input signal Low Jitter Design lt 3 ns in PLL mode 44 1 kHz optical In Sample aligned simultaneous start of record and playback in Record while Play mode High sensitive input stage lt 0 2Vss input level Ground free transformer coupled inputs and outputs No DMA or input output address needed Full Duplex simultaneous recording and playback Driver for Windows 95 Windows NT and MacOS Works with every usual recording or editing software Monitoring pass through mode for input signal High bus transfer rate gt 120 MByte s ensures minimal CPU system load More than one card with only one driver useable Windows Automatic hardware self test when booting User s Guide DIGI3 2 ORME 3 5 Technical Specifications 5 1 Overview Supported sample frequencies 32 kHz 44 1 kHz 48 kHz 25 kKHz 60 kHz with AutoSync Input Output optical TOSLINK coaxial Cinch internal jumper Format Consumer SPDIF and Professional AES EBU Bus PCI 32 bit Audio resolution up to 24 bit Display Error LED for input signal 5 2 Transfer Modes Resolution Bi
15. igital appliances been optimized to the largest compatibility possible 32 kHz 44 1 kHz 48 kHz according to the sample frequency Audio use No copyright copy permitted Format Consumer or Professional Category General generation not indicated 2 Channel No emphasis Aux bits audio use Thanks to the symmetrical design with transformers for coaxial output and the choice of output format Professional a connection to professional AES EBU equipment is possible The necessary cable adapter is exactly the same as the one for the input see 8 1 Connections except that a male XLR connector has to be used Most consumer products with optical or cinch inputs SPDIF accept only signals with Con d sumer indication 12 Troubleshooting In case the message box New Hardware Component found does not appear or the driver can t be installed under NT e ls the Error LED of the D IG I3 2 lit when no cable is connected to the optical input If not the card is either defect or not sitting properly in the slot When the card and the driver have been properly installed but no playback is possible e Check that the DIG I3 2 appears correctly in the Device Manager e If the device DIGI3 2 is marked with a yellow exclamation mark then either an address conflict or an IRQ conflict is present e If no yellow exclamation mark is present check the registercard Resources For example if the BIOS allocates a different IRQ for the PCI slot
16. ions User s Guide DIGI32 ORME 14 16 Warranty Before shipping each D IG I3 2 is tested individual by RME in a complete PC Test regarding any function if you think the card looks as if it was used one time before it was Using only the best hi grade components allows us to offer two years of warranty The copy of the sales receipt or the Bill of Sale is your warranty legitimation In these two years RME offers a replacement service for D IG 13 2 handled by your local dea ler In case of any error or defect please contact your local dealer The warranty does not cover damage due to abuse incorrect installation or incorrect handling RME s liability is limited to the repair or the replacement of the product and does in no way in clude the liability for incidental or consequential damages resulting from use of D IG I3 2 or its software Thanx All people involved in the project D IG 13 2 would like to say a big Thank You to the following persons Hermann Kn dler for believing in us Thomas Wendt from Steinberg for his great support Hanspeter Widmer for debugging the 24 bit mode Margit Tischler from Xilinx Germany for her support Detlev Muller for even spending the weekends with DIGIs Derek Hart for this scottish translation RME News updated drivers and many informations around our products can be found on our website http www rme audio com english A copy of the complete website dated 1 99 is available on the
17. nections User s Guide DIGI3 2 ORME 7 Software Installation 7 1 Windows 95 After fitting the card see 6 Hardware Installation and switching on the computer Windows 95 discovers a new hardware component and starts the assistent for device installation Insert the RME Driver CD into your CDROM drive and follow the instructions prompted on the screen Windows 95 will now install the D IG 13 2 driver and reports that it is an audio device After that it is ready to be used Due to a bug in Windows 95 OSR2 the path to the CDROM drive has to be typed in again during the copy process 7 2 Windows NT Because Windows NT 4 0 has not yet been supplied with a hardware recognition Device Ma nager the drivers must be installed by hand This is very easy to do as thanks to Plug amp Play IRQ interrupt and memory area are already defined After fitting the card see 6 Hardware Installation switching on the computer and completed boot of Windows NT insert the RME driver CD into your CDROM drive and add new devices by using gt Settings Control Panel Multimedia Devices Audio Devices Add lt Change to the CD s directory ntint32 Windows NT will now install the drivers and registers them as audio devices Finally D IG 13 2 s Settings dialog shows up To finish the installation you MUST now press the Apply button once As long as Apply is not pressed at least one time the driver installation is incomplete ther
18. ns can be found on our Mac web page or on the Driver CD User s Guide DIGI3 2 ORME 5 8 Operation and Usage 8 1 Connections The DIG I3 2 has 2 external and 1 internal input and output contact pins on the board The internal input serves as a connection with an internal CD ROM drive when this is supplied with a digital audio output Advantage the built in CD ROM drive is sufficiant for digital recording and the need for external cabling does not arise The actual input is activated by the registercard Settings available through gt Settings Control Panel System Device Manager DIGI32 Properties Settings lt D IG I3 2 accepts all common digital sources as well as SPDIF and AES EBU Channel Status Consumer Professional and copy protection will be ignored Receiving signals accor ding to the AES EBU _ standard requires a cable adapter Pins 2 and 3 of CJ CJ Cc an XLR connector have to be single connected with the two pins of a cinch RCA connector plug The shielding of the cable is connected only to pin 1 of the XLR connector D IG 13 2 s ground free design with transfor mers for coaxial input and output offers a problem free connection of AES EBU devices along with perfect hum rejection Error LED Optical Coaxial All outputs are driven parallel therefore you get an identical signal In the simplest situation connect 2 devices at the outputs and use the DI
19. recording software Full Duplex operation requires identical sample frequencies same bit rate and same format mono stereo for the signal to be recorded and the signal to be played back User s Guide DIGI32 ORME 8 9 Configurating the D IG I3 2 9 1 General The hardware of the D IG 13 2 includes a number of helpful options under all supported opera ting systems that allow to configure the behaviour of the card according to the actual needs Through the registercard Settings you will gain access to Selecting the input State of the output Channel Status of the outgoing signal Synchronisation behaviour Display of the input signal The display of the actual input frequency is updated every 0 5 seconds When choosing an input with a signal including errors or without input signal the statement No Lock appears in case of sample frequencies widely out of tune Out of Range is shown When an optical signal is present while the coaxial input is active then you immediately see that there s no valid signal available The changing switching of the inputs happens right away and needs no further click on OK All parameters for the active input needed to start recording are found very quickly With this the tedious trial and error to get a digital recording working becomes a thing of the past The three states of the output selected through the choicebox Output are unavoidable functions for daily use Automati
20. s version 2 0 and 2 1 D IG I3 2 is continuosly tested by us and of course by thousands of enthusiastic users to be compatible with all Known audio software Actual there is no program known not working correct with the DIG 13 2 The digital inputs and outputs of the D IG I3 2 are also 100 compatible to all devices known by us having a SPDIF or AES EBU interface The NT driver supports dual processor boards using Pentium PRO or Pentium II CPU s More informations and frequently asked questions can be found in the HTML document faq32e htm located in the directory rmeaudio com english faq on the RME Driver CD 15 TECH INFO RME provides more and very detailed information regarding the DIGI96 Series on the TECH INFO pages in the web http Awww rme audio com techinfo index htm and on our Driver CD in the directory rmeaudio com techinfo The following documents are currently available Synchronisation DIGI32 Series 01 09 99 Digital audio synchronisation technical background problems Problems with Installation 01 12 99 and their solutions List of Driver Updates 01 22 99 Lists all driver updates and the changes in them ADI 1 Inside 01 08 99 Interesting technical description of our 20 bit AD DA converter Configuration of Samplitude Cubase and Logic using DIGI32 96 Series 10 06 98 Step by step instructions Configuration of Cakewalk 7 0 and SAWPlus32 using DIGI32 96 Series 10 06 98 Step by step instruct
21. t sync htm located in the directory rmeaudio com english techinfo on the RME Driver CD 10 3 Varispeed Thanks to the described AutoSync technology and a lightning fast PLL D IG I3 2 is able not only to operate with usual sample frequencies but with every frequency in the range of 25 kHz to 60 kHz The digital input serves as synchronisation source Please note that at the start of a record or playback a valid sample frequency 32 kHz 44 1 kHz 48 kHz has to be fed When started the sample frequency can be pitched to whatever is needed D IG I3 2 will follow theses chan ges immediately User s Guide DIGI32 ORME 11 11 Special Features of the Digital Output Digital audio signals in SPDIF or AES EBU format include the audio information and a header Channel Status transfering further information Wrong Channel Status Data lead to misfuncti on The Channel Status from the input of the DIG I3 2 is not used instead a completely new header for the output signal is created It is to be noted that an indication of used emphasis disappears in recording or monitor mode Recordings done with emphasis should always be played back setting the emphasis bit Emphasis is used very seldom In case you have to work often with such material we recom mend our DIGI3Z 2 PRO It allows to set emphasis active on the outgoing data while li stening to the result of this operation The outgoing status data of the D IG I3 2 has with regard to other d
22. t has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This device complies with part 15 of FCC rules Operation is subject to the following two conditi ons 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be deter mined by turning the equipment off and on the user is encouraged to try to correct the interfe rence by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the seperation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help In order for an installation of this product to maintain compliance with the limits for a Class B device shielded cables must be used for the connection of any devices external to this product User s Guide DIGI3 2 ORME 16
23. ted out of the input signal PLL So starting a recording on the fly is possible also anytime during playback thanks to Full Duplex without first having to synchronize the card to the input signal In order to connect more than one D IG 3 2 to a digital mixing desk they must all get the d same clock ed input signal This is easy to achieve just connect at least one input of each card to one output of the mixing desk But the slave mode however does not allow local loop back operation For example you play back a wave file send it through a digital effect device and immediately send it back to the com puter Despite Full Duplex this is not possible because in this looped mode the card as well as the external device synchronize themselve to their own input A master or clock reference is missing Help is obtained either by the insertion of a digital mixing desk or by using two D IG I3 2 where the transmitting card is to be used without an input signal Hint Simply set the input of this card to an unconnected one In most cases local loop back can be realized A DAT used as A D A Converter whose digital output is connected to the input of the DIG I3 2 also leads to a loop and a loss of the digital carrier But after deactivating AutoSync such a loop requiring no clock master is possible even with other devices because the DAT is not working in Full Duplex mode More informations on this subject can be found in the HTML documen
24. ts per Sample The indicated modes are directly supported by the hardware and therefore work in 32 bit hi speed transfer mode The other modes so called packed byte formats are queued up to 32 bit data packets by special copy routines in the driver These routines are written in Assembler causing no measureable system load The supported modes with other Operating Systems than 16 bit 2 bytes stereo 4 bytes 20 bit 3 bytes MSB stereo 6 bytes 20 bit 4 bytes MSB stereo 8 bytes 24 bit 3 bytes stereo 6 bytes 24 bit 4 bytes MSB stereo 8 bytes 32 bit 4 bytes stereo 8 bytes Windows 95 98 and NT depend on the OS and or the corresponding drivers 6 Hardware Installation Important Switch off the computer and remove the power cable from the power supply before fitting the D IG I3 2 Inserting and removing the card when the computer is in operation will more than likely lead to irreparable damage to the mainboard 1 Disconnect the power cable and all other cables from the computer 2 Remove the PC housing further information on how to do this can be obtained from your oot computer s instruction manual Neutralize the static build up by touching the PC metal chassis before unpacking the D IG I3 2 from the protective bag Insert DIG I3 2 into a free PCI slot press and fasten the screws Re place the PC housing and tighten the screws Re connect the power cable and all other cables con
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