Scarlatti DAC User Manual v1.3x
Contents
1. IEEE 1394 interface on 2x 6 way connectors The interface accepts dCS encrypted DSD 1 bit data at 2 822MS s from up to 4 sources 2x AES EBU on 3 pin female XLR connectors Each will accept up to 24 bit PCM at 32 192kS s or DSD in DoP format OR as a Dual AES pair at 88 2 96 176 4 192 352 8 or 384kS s or dCS encrypted DSD or DoP format 3x SPDIF on 2x RCA Phono and 1x BNC connectors Each will accept up to 24 bit PCM at 32 192kS s or DSD in DoP format 1x SPDIF optical on a Toslink connector accepts 24 bit PCM at 32 96kS s 1x SDIF 2 interface on 2x BNC connectors will accept up to 24 bit PCM at 32 96kS s or SDIF 2 DSD auto selected If the unit is not in Master mode this interface requires a compatible word clock input locked to the data rate Word Clock Input on 1x BNC connector accepts standard word clock at 32 44 1 48 88 2 96 176 4 or 192kHz The data rate can be the same as the clock rate or an exact multiple 0 25x 0 5x 1x 2x 4x of the clock rate Sensitive to TTL levels Word Clock Output on 1x BNC connector In Master mode a TTL compatible 44 1kHz word clock appears on this output not temperature compensated Fs 32kS s 0 1 0 5dB 10Hz to 15kHz Fs 44 1 or 48kS s 0 1dB 10Hz to 20kHz Fs 88 2 or 96kS s 0 1dB 10Hz to 20kHz 3dB gt 38kHz Fs 176 4 or 192kS s 0 1dB 10Hz to 20kHz 3dB gt 67kHz Fs 352 8 or 384kS s 0 1dB 10Hz to 20kHz 3dB gt 100kHz DSD 0 1dB 10Hz2. dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 FRONT PANEL Figure 5 Front panel POWER Button To switch on ensure the rear panel switch is set to and press the POWER button A on the front panel once Note that the unit cannot be turned on from the remote control To set the unit to sleep mode press the POWER button once The main display will turn off the LED over the button will light and the analogue outputs will mute but the unit will remain close to running temperature Press again to return to normal operation To switch off hold down the POWER button for about 5 seconds until Power Down appears on the display then release it When the menu is open press the POWER button to close the menu DISPLAY Button Press the DISPLAY button B to turn the main display off and on When the display is off the LED over the button will light to warn you that the unit is running Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 SYNC Button Use the SYNC button C to set the sync mode for the digital input that is currently selected The DAC remembers the Sync setting separately for each digital input The options are Audio The DAC extracts the clock from the selected digital input and locks to it Use this setting for systems that do not have a Scarlatti Transport This arrangement does NOT give the best jitter performance or the best sound
3. e Auto The unit detects the emphasis flag of the digital data and automatically applies the correct de emphasis This is the usual setting Note that if the emphasis flag in the data is wrong you will need to manually select the correct setting e O ff No de emphasis is applied e 50 15 Applies the 50 15us de emphasis curve and ignores the flag This was sometimes used on early CDs e CCITT Applies the CCITT J17 de emphasis curve and ignores the flag This is used for DAB radio transmissions This setting allows the two AES inputs to be used together to accept PCM data at high sample rates 88 2 96 176 4 192 352 8 or 384kS s or DSD from a Dual AES source Note that a source with two AES outputs might not actually produce Dual AES data The settings are e Auto The unit detects the format flags in the digital data and automatically sets the AES1 amp 2 inputs to Single AES or Dual AES mode as required This is the usual setting Note that if the format flag in the data is wrong you will need to manually select the correct setting e Off Dual AES mode is disabled e On Dual AES mode can be manually selected using the INPUT button or the remote control Sets the Output Level to 2V rms or 6V rms at full scale When you set up your system choose the Output Level setting that gives a comfortable listening level with the Volume set between 10dB and 20dB The difference between the two settings is about 10dB
4. it may be changed by the user The current consumption of the unit is very low so it only blows if power surges occur or there is a fault in the unit Usually power surges cause no other damage but if the fuse blows repeatedly on replacement some other damage will have been done and the unit must be returned to dCS for repair Fuse type 20 x 5mm T0 5 amp L fuse If the fuse should fail it is essential that it is replaced with one of the same type and rating Failure to do so could result in damage to the unit risk of fire or electric shock and will invalidate the warranty Referring to the diagram below remove the power cable use a small flat bladed screwdriver to pry up the tab on the fuse carrier A and pull it out Push the blown fuse out of the clip in the carrier B and dispose of it Fit a new fuse in the clip C and push the carrier back into the unit so that it clicks home Spare fuses are provided with the unit C pie Cleaning the case The front and back panels of your dCS equipment are machined from very high grade aluminium Great care has been taken to create the finish of the aluminium throughout the engineering process from the raw solid material to the finished piece To remove loose dust or finger marks from the case we recommend that you use a clean dry lint free cloth To restore the finish on the front and back panels we recommend applying small quantities of a lanolin based cleaner using a cl
5. Channel Swap swaps the channels to correct a connection error Correct the error and change back to normal 7 7 In Balance mode the operation of the rotary control changes to adjust the Balance Each channel can be varied from 0dB to 6dB in 0 1dB steps then mute 00 below that Balance adjustment ends after this menu page closes or the MENU button is pressed Most owners use the remote control to adjust the balance The Factory Reset menu page resets the unit to standard settings These are Volume to 30dB Phase to Normal Balance to centre Dual AES to Auto Input to AES1 Output Level to 6V Sync to Audio Input except Channel swap to Normal 1394 amp SDIF Sync to WClk Display to On De Emphasis to Auto Brightness to maximum Filter to 1 Contrast to 60 Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 DISPLAY SETTINGS Menu li Set the display Brightness to a comfortable level using the rotary control is n Set the display Contrast to a comfortable level using the rotary control Runs a Display Test routine which flashes all the indicators and the main display LEDs This page is usually set to LEDs On Set it to LEDs Off to turn off the indicators if you Off find them distracting SIGNAL GENERATOR Menu Runs a Channel Check routine to test the system for swapped channels A tone is ni output on the left channel only w
6. Before requesting an update disc please open the Information gt Version Information menu page and check the Control Version to verify that an update is actually needed This manual is for Scarlatti DAC software version 1 3x Issue 1 00 The first issue with 1394 issue 3 00 Issue 1 01 Corrects a bug that causes some DACs to momentarily lose lock to the Word Clock Input Issue 1 10 Adds Filter 5 and Filter 6 at 44 1kHz Adds an IR remote command for Sync to Word Clock Updates the EasyPlay system to accommodate an Upsampler on 1394 channel 1 LEDs Off feature added Issue 1 20 Adds single wire 176 4 amp 192kS s operation to AES RCA BNC and Word Clock inputs Issue 1 30 AES Dual AES RCA amp BNC inputs will accept DSD in DoP format The Dual AES input will accept dCS encrypted DSD DSD in DoP format 24 352 8 or 24 384 this adds compatibility with a Vivaldi Transport and Upsampler Scarlatti DAC Manual v1_3x docx English version
7. button to set the sync mode to WCIk The system will re lock and un mute Please consult the Scarlatti Clock manual for more information on using a Master Clock Please consult the Upsampler manual if your system includes a Scarlatti Upsampler The next step is crucial sit back and enjoy the music Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Using the Scarlatti DAC with a Vivaldi Transport The Vivaldi series uses Dual AES to transmit DSD data between units it has no 1394 interface Scarlatti DAC v1 30 allows the DAC to accept dCS encrypted Dual AES data so that Scarlatti system owners can upgrade to a Vivaldi Transport and still play SACDs in native DSD format upsample CD data to DSD or DXD format To do this e Connect the Transport s AES 1 amp 2 outputs to the DAC s AES1 amp 2 inputs respectively e Connect the DAC s WClk Output to the Transport s Word Clock Input e Set the DAC s input to Dual AES e Use the DAC s Sync button to set the sync mode to Master r poika ___9 g DIGITAL OUT Analogue outputs to pre power amplifiers Figure 4 Using the Vivaldi Transport with a Scarlatti DAC in Master Mode The Vivaldi Transport s Dual AES menu page selects DSD or DXD upsampling for CD data You can add a Master Clock see page 11 or an Upsampler to the system if you wish Scarlatti DAC Manual v1_3x docx English version
8. for orchestral music while Filter 3 and Filter 4 are often used for rock music If the source data rate is 176 4 or 192kS s two extra filters are available Filter 5 has a Gaussian response and Filter 6 is an asymmetrical type which features almost no pre ringing There are 2 extra filters for 44 1kS s operation Filter 5 is an asymmetrical design with non linear phase and no pre ringing Filter 6 is a new sharp filter which has linear phase and pre ringing Try them and decide for yourself which you prefer DSD mode has 4 filters but these progressively reduce the out of band noise level which is inherent in the 1 bit nature of DSD Filter 1 is the usual setting it gives the widest bandwidth about 70KHz and the highest level of out of band noise If your system sounds harsh try Filter 2 or Filter 3 These progressively reduce the out of band noise level at the cost of some bandwidth Filter 4 is primarily intended for troubleshooting not listening as it has an early cut off designed to minimise the out of band noise The DAC remembers the last filter set for every sample rate When the menu is open the FILTER button changes to the lt button used to page backwards through the menu Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 INPUT button Press the INPUT button E repeatedly to cycle through the available digital inouts The sequence is AES1 AES2 DUA
9. non condensing e Do not install the unit near heat sources such as radiators air ducts power amplifiers or direct strong sunlight e fin doubt the easy test is the unit is happy to work anywhere a human is Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 If you need more help In the first instance you should contact your dealer If they cannot resolve the issue contact your national distributor Manufactured by Data Conversion Systems Ltd Unit 1 Buckingway Business Park Anderson Road Swavesey Cambridgeshire CB24 4AE UK www dcsltd co uk This user manual may be downloaded free of charge from our web site A bound copy of this manual may be ordered from dCs Software History dCS products make extensive use of software configurable chips FPGAs and DSPs This gives us the ability to update our products to add extra features update digital interface standards or make performance improvements by loading new software Occasionally a hardware upgrade may be necessary also to increase the capacity of the electronics add extra connectors or extra front panel controls Please note that not all software updates make an earth shattering change You should have a clear idea of what you expect to gain before updating to the latest issue We recommend that you keep your software up to date Check the dCS web site for the latest software updates
10. quality WClk The DAC locks to an external clock connected to the Word Clock Input This is the normal setting if you are using a Scarlatti Transport or a Scarlatti Clock or both For the very best sound quality use the this setting with the full stack Master The DAC uses its own stable 44 1kHz clock and outputs the same clock on the WClk Output so that the source can lock to the DAC For correct master mode operation the source equipment MUST be locked to the DAC This is the recommended seiting if you have a Scarlatti Transport but not a Scarlatti Clock You will not be able to set an input to Master mode unless the DAC is locked to 44 1 88 2 176 4 or 352 8kS s or DSD data on that input The SDIF input cannot be set to Master mode unless the DAC is locked to a 44 1 or 88 2kHz word clock connected to the Word Clock Input gt LES FILTER Button Use the FILTER button D to select your preferred filter This is a personal preference and is best done by ear The choice of filter may depend on the type of music you are listening to In PCM mode the first 4 filters give different trade offs between the Nyquist image rejection and the phase response Filter 1 has the best rejection of unwanted Nyquist images and the sharpest roll off resulting in the poorest transient response of the four Filters 2 3 and 4 have progressively more relaxed image rejection and progressively better transient response Filter 2 is often preferred
11. to 20kHz 3dB gt 66kHz Better than 110dB0 20Hz 20kHz unweighted Better than 100dB0 20Hz 20kHz Better than 80dB 20Hz 20kHz 2V rms or 6V rms on all outputs for a full scale input set in the menu 1 stereo pair on 2x 3 pin male XLR connectors pin 2 hot pin 3 cold These outputs are electronically balanced and floating the signal balance ratio at 1KHz is better than 40dB Output impedance is 30 maximum load is 6000 a 10kQ 100kQ load is recommended 1 stereo pair on 2x RCA Phono connectors Output impedance is 52Q maximum load is 6000 a 10kQ 100kQ load is recommended 465mm 18 3 long x 405mm 16 0 deep x 75mm 3 0 high Allow extra depth for cable connectors Allow space for air flow around the unit Weight 11 3kg 24 9lbs Internally set to either 100 115 120 220 or 230 240V AC 49 62Hz Power consumption 22W typical 30W maximum These specifications are subject to change without notice Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 MAINTENANCE AND SUPPORT Service and Maintenance dCS audio products are designed not to need regular maintenance and contain no user serviceable parts apart from the mains fuse If your unit is damaged in any way please contact your dealer Replacing a Blown Mains Fuse There is a mains fuse below the power inlet accessible from the outside of the unit If the fuse blows
12. 4 1kHz word clock This MUST be connected to the source equipment so that the system can lock Word clock is used for synchronisation only it does not carry digital data 1394 Interface The IEEE 1394 interface T will accept encrypted DSD data from the Scarlatti Transport or Upsampler as well as from other dCS transports and upsamplers that are loaded with current software 1394 interfaces are great for carrying lots of digital data but are very poor at transmitting a stable clock so a separate 44 1 or 88 2kHz Word Clock connection is required The two 1394 ports are identical they can be used as data inputs or as a loop through Note that the 1394 bus must not be connected in a loop as this will prevent the system initialising Due to proprietary encryption of the DSD data the 1394 interface must be assumed to be incompatible with other manufacturer s equipment SUC Connector The SUC connector U is an RS232 interface primarily used to remotely control the unit during automated testing Please contact dCS for advice on using this interface with a household automation system Note that we recommend using infra red remote control instead Mains inlet Power is connected via a standard IEC320 connector V protected by a fuse W and isolated by a 2 pole power switch X Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 THE MENU The STEP button moves along t
13. BNC TOSLINK 50W USE Fi P Y CA 7500mAL AES 1 AES2 ANALOGUE OUTPUTS LET DIGITAL INPUTS 7 BCA aunk CH1 Z0SI 1994 DO Pee E a Gi IT RCA 2 IN WCLK Balanced or Unbalanced Analogue Outputs To pre or power amplifier inputs Figure 2 Using the Scarlatti Transport with the DAC in Master Mode e Connect the DAC s Word Clock Out connector to the word clock input on the source equipment dCS transports slave automatically e Press the Sync button to set the DAC to Master mode and allow the system to re lock Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Using a Master Clock The performance can be improved further by adding a Scarlatti Clock to the system as shown below Scarlatti Transport CHI Ga CO TOSLINK Sig es SDIF CH2 DIGITAL OUTPUTS G OO AES 1 _ RCA Scarlatti Clock 50 60 Hz 30W Tai FUSE O TF 500mAL ii Scarlatti DAC 50 60 Hz 50W FUSE T500mAL Balanced or Unbalanced Analogue Outputs To pre or power amplifier inputs Figure 3 Using the Scarlatti Transport DAC and Clock together e Connect one of the Clock s Word Clock Outputs to the Word Clock Inputs of the Transport and DAC e Use the Clock s Frequency button to set the outputs to 44 1kHz to suit the CD Transport e Use the DAC s Sync
14. H to open the menu select menu pages and change settings See the Menu section on page 18 for information on using the menu features Remote Control Receiver Aim the remote control handset towards the receiver 1 for best sensitivity Rotary Control The Rotary Control J usually controls the Volume setting When the Balance menu page is open it adjusts the channel Balance instead If the menu is open the Rotary Control pages forward and backwards through the menu Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 REAR PANEL Figure 6 Rear panel Analogue Outputs The unit features separately buffered Balanced Outputs K on XLR connectors and Unbalanced Outputs L on RCA connectors The Balanced Outputs should be connected to true balanced inputs only If your preamplifier power amplifier has unbalanced inputs even if the inputs are on XLR connectors please use the Unbalanced Outputs instead AES Digital Inputs The AES1 and AES2 inputs M can be used individually at sample rates up to 192kS s or DSD in DoP format If the Dual AES menu page is set to On or Auto they can be used together as a Dual AES pair at 88 2 96 176 4 192 352 8 or 384kS s or DSD in DoP format or with dCS encrypted DSD For Dual AES mode to work correctly the source must actually generate Dual AES data not just single AES on 2 connectors SPDIF Digital Inputs The unit f
15. L AES this disappears from the list if it is turned off in the Dual AES menu RCA1 RCA2 Toslink BNC SDIF 2 1394 the name of an active source will be displayed e g dCS STT or dCS SUP When the menu is open the INPUT button changes to the button used to page forwards through the menu Display In normal use the display F Is split into 4 areas The top left corner usually shows the selected input e g RCA1 or 1394 source name e g dCS STT While you are changing settings the current setting may be displayed here briefly RCA The top right corner shows the locking status the data format Some examples are No Input Locking Clk OK 16 44 1 the number of active bits and the sample rate 24 192 or DSD Between tracks on a CD the number of active bits is zero so 0 44 1 may be displayed 16 44 1 SAN cnc The icons at the bottom left corner are the Sync mode slave to Audio is shown and the selected Filter Filter 2 is shown The Phase icon appears here if set to inverted The staircase icon gives a visual indication of the Volume or Balance setting with the setting shown in text as well 0 0dB is shown Details of the menu displays are shown in the Menu section on page 18 MUTE Button Use the MUTE button G to mute the analogue outputs When the unit is muted either manually or when not locked to a source the LED over the button lights MENU Button Press the MENU button
16. al the product is serviced or repaired other than by dCS or our authorised service agents the product is operated without a mains earth or ground connection the unit is returned inadequately packed dCS reserve the right to apply a service charge if a product returned for warranty repair is found to be operating correctly or if a product is returned without a returns number being issued This warranty covers parts and labour only it does not cover shipping charges or tax duty Our dealers or distributors are NOT authorised to extend the terms of this warranty dCS cannot accept responsibility for any attempt to do so Products re sold by dCS on a used basis may be subject to reduced warranty terms Obtaining Service Should you encounter a problem contact your authorised dCS dealer for advice quoting the model the full serial number software version number and giving a detailed description of the fault Your dealer will advise you fully on actions that need to be taken When returning a unit the original packaging should be used to avoid transit damage Replacement packaging sets may be purchased from dCs During the Warranty period there will normally be no charge for parts or labour Operating Conditions e The supply voltage must remain within 10 of the A C voltage specified on the back panel e The supply frequency must be in the range 49Hz to 62Hz e Ambient temperature range 0 C 32 F to 40 C 104 F
17. ase have this information ready if you contact your dealer for any reason Ra m The Contact page displays dCS web site URL email address telephone and fax VIVIVI numbers If you have any difficulty please contact your dealer for help first The DAC Information page displays the unit status Pig DICO No input Input selected to 1394 nodes connected Sync to Audio WClk Master Unlocked Locked at either word clock frequency or data sample rate Input is PCM DSD No De Emphasis De Emphasis is Filter Phase Normal Inverted Internal temperature C Use the rotary control to scroll down the list and press the MENU button to exit The CD Update feature allows you to load new software into your system from either a C Update Scarlatti transport or any STANDARD CD player or transport Note that some non Red Book CD transports change the digital data and cannot be used to download new software Please follow the instructions supplied with the update CD carefully Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 DAC SETTINGS Menu OAT De Emph Dual AES BEY Sb PI e Changes the Phase of all analogue outputs from normal to phase reversed 4 Apply De Emphasis to equalise the frequency response of pre emphasised data De Emphasis is available for sample rates of 32 44 1 or 48kS s only The settings are
18. atti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Safety Notice Your dCS Scarlatti DAC contains no user serviceable parts DO NOT attempt to open the case as there are potentially dangerous voltages present inside In the event of the unit developing a fault please contact your dealer in the first instance To maintain protection from electric shock the unit MUST be connected to mains earth ground via the power cable Also unearthed systems do not give the best sonic performance Vv This product is lead free and complies with the RoHS directive ROHS lead free 2002 95 EC Before connecting the power cable to the unit for the first time please check that it has been set to the correct operating voltage for your mains supply The unit s voltage setting is shown on the serial number label If this does not match your local supply voltage DO NOT attempt to use the unit Contact your dealer to have the unit reset Using the unit with the wrong mains setting for your local supply may result in serious damage to the unit and will invalidate the warranty Do not attempt to reset the voltage yourself We do not recommend the use of mains regenerators However if you do wish to use a mains regenerator with variable voltage and frequency we recommend that you set the voltage to match your local voltage and the frequency to either 50Hz or 60Hz ONLY Damage caused to your Scarlatt
19. can install yourself using the CD Update feature Please check our web site occasionally to see if new Scarlatti software is available or consult your dealer Q Software version 1 30 adds dCS encrypted DSD 24 352 8 and 24 384 in Dual AES format This allows the Scarlatti DAC to be used in DSD mode or DXD mode with a Vivaldi Transport which has no 1394 interface see page 12 What s in the box Check that the box contains the following items dCS Scarlatti DAC Manual and Menu Setup Guide Power cable 1394 cable BNC cable 2 spare fuses Notify your dealer as soon as possible if anything is missing or damaged We suggest that you retain the original packaging for possible future use If this is not possible replacement packaging can be ordered from dCS or our distributors Details can be found on our web site at www dcsltd co uk The Scarlatti Transport is supplied with a programmed Nevo Q50 remote control If you do not have a Scarlatti Transport in your system a programmed Nevo Q50 can be ordered direct from dCS as an optional extra Positioning the unit Units in the Scarlatti range are designed to be mounted on separate shelves of a rack and must NOT be stacked directly on top of each other Place each unit on a firm vibration free base allowing convenient connection to the other parts of your system To prevent overheating we recommend that you leave some free space around the unit to allow for ventilation Scarl
20. ce then the Menu button again to display the DAC Settings menu Press the button a few times to highlight the Analogue Out menu page Press the Menu button to change the setting If the setting is 2V and the Volume is still set well below 20 0 try some passive attenuators Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 STEP 4 Choosing a Sync Mode So far the system has been set up to lock to the clock generated by the source If you are using the 1394 or SDIF interfaces the DAC will lock to a word clock generated by the source This is the simplest arrangement but it does not give the best sonic performance due to clock jitter If your source equipment has a word clock input you may be able to reduce the jitter in your system by either setting the DAC to Master Mode or locking the system to a Master Clock If not you can miss out this section Using the DAC in Master Mode You can use Master Mode ONLY if your source equipment can lock to a 44 1kHz word clock and the DAC is receiving data at 44 1 88 2 176 4 or 352 8kS s or DSD If the system is not set up correctly and fails to lock you will hear clicks noises from the speakers and the signal may be distorted Connect the equipment as shown taking special care to connect the clock cable correctly Scarlatti Transport CH l IGITAL SDIF c OUTPUTS N N INNO 3 3 e QQ AES 1 AES 2 RCA
21. dCS Scarlatti DAC Stereo Digital to Analogue Converter User Manual Software Release 1 3x May 2013 Data Conversion Systems Ltd 2007 2013 Price UK 8 00 Euro 12 00 All rights reserved No part of this publication may be reproduced stored in or introduced into a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of dCS Any person who does any unauthorised act in relation to this publication may be liable to criminal prosecution and civil claims for damages Information contained in this manual is subject to change without notice and whilst it is checked for accuracy no liabilities can be accepted for errors dCS is Data Conversion Systems Ltd Company registered in England No 2072115 dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Scarlatti DAC Manual v1_3x docx Page 2 English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Contents Using the dCS Scarlatti DAC for the first time ccccssssseeecsensseeeessensseeeeecsseeeeeseesseeseenosseessoenssesseoes 4 What s in the box 4 Positioning the unit 4 Safety Notice 5 Step by Step Guide igh acai area wae ee annie ete sak vacate ew EE 6 Preliminaries 6 STEP 1 Selecting a Digital Input 7 Connecting to an IEEE 1394 DSD Source 7 Connecting to a Single AES or SPDIF source 7 Connecting to a Dual AES Source 7 Connecti
22. e other end into a convenient power outlet Please do not use an excessively heavy or inflexible power cable as this may damage the power inlet connector Press the Power button and wait about 30 seconds while the DAC configures itself The display will show in sequence Scarlatti DAC and No Input If the unit is likely to be set in an unfamiliar state you can reset it as follows Press the Menu button press the button once then the Menu button again to display the DAC Settings menu Press the lt button a few times to highlight the Factory Reset menu page Press the Menu button and wait a few seconds while the unit resets itself Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 STEP 1 Selecting a Digital Input Switch on the source equipment If appropriate load a disk tape and set the machine in PLAY mode to ensure it is generating a digital audio data stream Choose one of the following sections Connecting to an IEEE 1394 DSD Source e Check that your source equipment probably a dCS SACD Transport or a dCS Upsampler is capable of DSD operation over a 1394 link generates a 44 1kHz word clock and is set up correctly e Connect one 1394 output on your source equipment to one 1394 input on the DAC rear panel Also connect the word clock output on your source equipment to the Wordclock In connector on the DAC rear panel e Press the Input button repeatedly u
23. ean dry lint free cloth and then wiping off Do not allow lanolin to collect around the buttons Small amounts of glass cleaner containing ammonia may be used to clean other surfaces but avoid spraying onto the connector contacts Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Limited Warranty General dCS warrants this product against defects in materials and workmanship for a period of 3 years from the date the unit was originally shipped from dCS During the warranty period dCS will repair or at our absolute discretion replace a faulty product Warranty repairs must only be carried out by dCS or our authorised service agents Please contact your dealer if your unit requires service Your dealer should have completed on your behalf an Owner Registration form at the time of sale and returned it to dCS On receipt of the Owner Registration form dCS will add your contact details to our customer database dCS will use this information for warranty purposes only we will not contact you directly for reasons relating to sales and marketing This warranty applies to the original owner Warranty Exclusions The Warranty does not cover wear and tear The Warranty on this product will be void if the product is misused in any way any unauthorised modifications or repairs are carried out the product is not used in accordance with the Operating Conditions stated in this manu
24. eatures 3 co ax SPDIF inputs labelled RCA1 RCA2 N and BNC P as well as an optical SPDIF input on a Toslink connector O Pull out the dust cover before using the Toslink input These inputs will accept sample rates up to 192kS s or DSD in DoP format but note that operation of the Toslink input is not guaranteed above 96kS s DSD SDIF Digital Interface The DSD SDIF interface will accept either SDIF 2 PCM data at sample rates up to 96kS s or SDIF 2 DSD data The unit automatically detects the data format and sets the correct mode The interface consists of two data inputs labelled CH1 and CH2 Q Operation in SDIF mode requires that a word clock from the source is connected to the WCLK In connector R Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Word Clock Input Output The WCLK In connector R will accept standard word clock from the source equipment or a master clock at 32 44 1 48 88 2 96 176 4 or 192kHz The clock frequency MUST be an exact multiple of the data rate otherwise the system will not lock Use the Sync button to lock the DAC to the external word clock Note that the source MUST be locked to the same clock otherwise the system will not be locked and periodic clicks will be heard on the outputs When the unit is set to Master mode the DAC uses its internal clock instead of locking to the data or WCLK Input and the WCLK Out connector S carries a 4
25. hat your source equipment is capable of SDIF PCM or DSD operation SDIF Sony Digital InterFace is not the same as SPDIF Sony Philips Digital InterFace and the two are not compatible Please ensure that you connect to the correct BNC socket e Connect the CH1 output on your source equipment to the CH1 input on the DAC rear panel and the CH2 output to the CH2 input using two BNC cables Connect the word clock output on your source equipment to the WClk In connector on the DAC rear panel Ensure the cables are not swapped e Press the Input button repeatedly until SDIF appears on the display PCM or DSD mode is automatically detected The DAC will lock to the source displaying in sequence 44 1k Locking 16 44 1 for example if the source is a CD player DSD is displayed if the source is DSD Proceed to Step 2 Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 STEP 2 Connecting the Analogue Outputs Choose one of the following two sections Using a preamplifier e Setthe preamplifier volume control to minimum e Connect either the balanced XLR connectors or unbalanced RCA phono connectors outputs on DAC rear panel to matching line level inputs on your preamplifier probably labelled CD or AUX e Turn the DAC rotary control clockwise to set the Volume to maximum 0 0dB on the display Slowly increase the preamplifier volume until the music is at the right le
26. he menu the STEP lt button moves back Press the MENU button to set a menu option or change options Information Version Contact x ie CDUpdate _ information ven ae Om Displays the loaded Loads new software issues Displays dCS Displays the software from a smi catia contact details unit status dCS CD number DAC Settings Dual AES Analogue Out 010103 Dual AES 2V ObV Changes the Sets the output phase DeEmphasis for both curve 32 channels 48kS s Channel Balance Swap Allows Balance adjustment by rotary control Reverse the Left and Right outputs Sets the Enables Dual AES operation analogue output levels Brightness Test Display LEDs Off LEDs Off Factory Reset Restores standard factory settings Turns the indicators Off On Adjusts the display contrast Runs a display brightness test routine Phase Check Outputs tone on Outputs noise L channel only on both then R channel channels then only inverts R Outputs modulated pink noise to burn in your system Figure 7 The menu sequence Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 Using the Menu The menu gives the user access to a range of additional features It also allows new features and performance enhancements to be added at a later date by software upgrades The me
27. hile the display shows Left then the right channel only LI e while the display shows Right If the these are the wrong way around the left and right channels are swapped somewhere in your system Runs a Phase Check routine to test the system for phase reversals Noise is output in ao phase on both channels while the display shows In Phase Press the MENU button the noise on the right channel is inverted while the display shows Out of Phase The first burst should produce a central image the second burst should not If these are the wrong way around one channel in your system is phase inverted Press the lt or button to stop the test and return to the menu Runs a Burn in procedure to condition your system The unit displays Burn In Caution Loud then outputs modulated pink noise that ramps up slowly in level Press the MENU or lt buttons to stop the procedure Please ensure that the volume level is reasonable as careless use can damage your amplifiers and loudspeakers dCS will not be liable for such damage Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x SPECIFICATION Converter type Digital inputs Clocking Frequency response set to Filter 1 Residual noise Spurious responses L R crosstalk Output levels Balanced outputs Unbalanced outputs Size and weight Power requirements May 2013 5 bit 2 822 or 3 07MS s oversampled dCS Ring DAC topology
28. i DAC by misuse of a mains regenerator or by a malfunctioning mains regenerator is not covered by the warranty Disposal at end of life the symbol indicates that this product should not be treated as normal household waste It should be recycled so please take it to an approved collection facility Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 STEP BY STEP GUIDE This section guides you through setting up the unit for basic operation Preliminaries The Menu Setup Guide sheet details the menu structure and details the two most common set ups For digital interfaces use with cables designed for digital audio e for AES EBU interfaces use 1100 screened twisted pair cables fitted with one male XLR connector and one female XLR connector for SDIF Word Clock or SPDIF BNC interfaces use 750 coax cables fitted with BNC plugs for SPDIF RCA interfaces use 75Q coax cables fitted with RCA Phono plugs for TOSLINK optical interfaces use Toslink fibre optic cables for IEEE 1394 interfaces use the IEEE 1394 cable provided with the unit For analogue outputs use with screened cables of the correct type e for balanced outputs use screened twisted pair cables fitted with one male XLR connector and one female XLR connector e for unbalanced outputs use coax cables fitted with RCA Phono plugs Connect the power cable supplied to the power inlet on the DAC rear panel plug th
29. ng to an SDIF DSD Source 7 STEP 2 Connecting the Analogue Outputs 8 STEP 3 Setting the Output Level 9 STEP 4 Choosing a Sync Mode 10 Using the DAC in Master Mode 10 Using a Master Clock 11 Using the Scarlatti DAC with a Vivaldi Transport 12 Fon PANO art een hc pci ed tine ira 13 POWER Button 13 DISPLAY Button 13 SYNC Button 14 FILTER Button 14 INPUT button 15 Display 15 MUTE Button 15 MENU Button 15 Remote Control Receiver 15 Rotary Control 15 Resa 16 Analogue Outputs 16 AES Digital Inputs 16 SPDIF Digital Inputs 16 DSD SDIF Digital Interface 16 Word Clock Input Output 17 1394 Interface 17 SUC Connector 17 Mains inlet 17 TO MONU cae cic cra rc ia 18 Using the Menu 19 INFORMATION Menu 20 DAC SETTINGS Menu 21 DISPLAY SETTINGS Menu 22 SIGNAL GENERATOR Menu 22 ne 912167 11 057 112 ee ene dalla 23 Maintenance and SUDDOTI aaa iii 24 Service and Maintenance 24 Replacing a Blown Mains Fuse 24 Cleaning the case 24 Limited Warranty 25 If you need more help 26 Software History 26 Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 USING THE dCS Scarlatti DAC FOR THE FIRST TIME Congratulations on purchasing your dCS Scarlatti DAC Before using your unit please read this section and the Step by Step Guide This will enable you to set the unit up quickly and safely with your hi fi system From time to time dCS will release updated software on CD that you
30. ntil 1394 or the source name is displayed probably dCS STT The unit may display Wait No WClIk or Search messages if the unit is still settling then in sequence Clk OK Locking DSD If you have more than one source connected to the 1394 bus it may be necessary to use the Input button to select the 1394 source you want to listen to Connecting to a Single AES or SPDIF source Most source equipment such as CD transports DVD players is fitted with a single wire digital output usually on an RCA phono connector e Connect your source equipment to the matching input on the DAC rear panel using a suitable cable e Press the Input button repeatedly until your chosen input is displayed This will be either AES1 AES2 RCA1 RCA2 Toslink or BNC The DAC will lock to the source displaying in sequence 44 1k Locking 16 44 1 for example if the source is a CD player Connecting to a Dual AES Source Check that your source equipment is capable of Dual AES operation e Connect the AES1 or AES A output on your source equipment to the AES1 input on the DAC rear panel and the AES2 or AES B output to the AES2 input using two XLR cables Ensure the cables are not swapped e Press the Input button repeatedly until both AES1 AND AES2 input indicators are lit The DAC will lock to the source displaying in sequence 96k Locking 24 192 for example if the source is 24 bit data at 192kS s Connecting to an SDIF DSD Source Check t
31. nu is controlled by four buttons e Press the MENU button to open the menu or select a setting e Press the button to page forward through the menu e Pressthe button pages backward through the menu e Press the POWER button to close the menu or just wait 5 seconds Alternatively use the remote control to access the menu Use the Menu Guide sheet to help you find the right menu Each unit in the range has either three or four top level menu pages The INFORMATION menu gives software issues serial number contact details and unit set up details LS x Each model has a different SETTINGS menu which allows you to set some features that are not directly accessible from the front panel The DISPLAY SETTINGS menu is used to adjust and test the display The SIGNAL GENERATOR menu on the Transport and DAC only contains test and set up routines Use the button to move the highlight to the menu you want then press the MENU button to select it The next menu level down is displayed Use the button to move the highlight to the menu page you want then press the MENU button to display the information or change the setting gt Select the exit icon E to go back to the previous menu level Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 INFORMATION Menu y The Version page displays the software versions loaded in the unit and the full serial X XX number Ple
32. vel Using a power amplifier directly e Turn the DAC rotary control counter clockwise to set the Volume to minimum 60 0dB on the display e Connect either the balanced XLR connectors or unbalanced RCA phono connectors outputs on the DAC rear panel to matching inputs on your power amplifier Switch on the power amplifier e Turn the DAC rotary control slowly clockwise until the music is at the right level Play a disc you should have audio Proceed to Step 3 Scarlatti Transport F CH OUTPUTS DIGITAL poi sa A ARR 1 IN WORDCLOC S OUT di OG AES 1 AES 2 RCA BNC TOSLINK dal n 50 60 Hz 50W ug T500mAL Balanced or Unbalanced Analogue Outputs To pre or power amplifier inputs Figure 1 Basic setup Scarlatti DAC Manual v1_3x docx English version dCS Scarlatti DAC User Manual Software Issue 1 3x May 2013 STEP 3 Setting the Output Level If the preamplifier volume setting for a comfortable listening level is too high or too low you may need to change the Output Level setting Setting the Output Level to 6V can cause some preamplifiers to overload and distort For this reason we recommend the 2 setting if a preamplifier is used Similarly if you are driving a power amplifier directly and the DAC Volume setting for a comfortable listening level is higher than 10 0 or lower than 20 0 try changing the Output Level setting e Press the Menu button press the button on
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