"user manual"
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1. Hz detected at the Reference Input Locked to external clock yes no Use the lt gt buttons to scroll up or down the list This page does not time out press the Menu button to exit If your system is not behaving as you expect the Unit Status page can help you find set up or connection errors Version The Version page displays the software versions loaded in the unit Please have this information ready if you contact your dealer for any reason e Control Board 1 xx this is the main software version e Front panel 1 xx This page does not time out press the Menu button to exit Contact The Contact page displays the dCS web site URL and support email address This page does not time out press the Menu button to exit If you have any difficulty please contact your dealer for help first Update The Update feature allows you to load new software into the unit Please follow the instructions supplied with the update disc carefully lA Kus If you accidentally start an Update do not worry The unit will automatically detect it is not receiving updated software and will abort the process The software will not have been changed Vivaldi Clock Manual v1 2x Page 16 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 CLOCK SETTINGS Menu Reference In AC The Reference In menu page sets the Reference Input to accept either an AC coupled reference generated by a Rubidium reference o2. avoid spraying onto the connector contacts Vivaldi Clock Manual v1 2x Page 20 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 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 If the product is purchased and registered with dCS within 6 months of the date the unit was originally shipped from dCS we will start the warranty on the purchase date For units registered later than 6 months from the ship date we will start the warranty from the ship date unless the registration is supported by the original sales invoice 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 To register this product either register online at www dcsltd co uk or complete the Product Registration form within 30 days of the sale and return it to dCS On receipt of the registration 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 it is not transferable Warranty Exclusions The Warranty does not cover wear and tear The Warranty on th
3. nates E A pre acide ane ue 10 Remote Control Receiver 10 Display 10 Power Button 11 Menu Button 11 Freq1 Button 11 Freq2 Button 11 ELET ela E EO T E A E E P E E E A A E E P E EE E E 12 Reference Input 12 Word Clock Outputs 12 Test interface 12 Mains inlet 13 Label 13 3 TI HS 14 Using the Menu 15 INFORMATION Menu 16 Unit Status 16 Version 16 Contact 16 Update 16 CLOCK SETTINGS Menu 17 Reference In 17 Dither 17 RS232 Mode 17 CONFIGURATION Menu 18 Settings Lock 18 Save Configuration 18 Restore Configuration 18 Factory Reset 18 DISPLAY SETTINGS Menu 18 Brightness 18 Display On Off 18 SOS CANON gerrari TT DD mc 19 Maintenance and SUPPort prnn ear 20 Service and Maintenance 20 Replacing a Blown Mains Fuse 20 Cleaning the case 20 Limited Warranty 21 If you need more help 22 Software History 22 ne Oe E T eee Error Bookmark not defined Vivaldi Clock Manual v1 2x Page 3 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 USING THE dCS VIVALDI CLOCK FOR THE FIRST TIME Congratulations on purchasing your dCS Vivaldi Clock 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 can install
4. own audiophile grade cables or will prefer to make their own cable choices Set the rocker switch near the mains inlet to the position Press the Power button the unit will display Vivaldi Clock Wait about 30 seconds while the Clock configures itself If the unit is likely to be set in an unfamiliar state you can run the Factory Reset routine by pressing the buttons in this sequence Menu gt gt Menu 4 4 Menu Wait a few seconds while the unit resets itself The GOLDEN RULES for using a Master Clock 1 The source equipment MUST be locked to the Master Clock If it is not you will either have locking difficulties or hear occasional clicks or drop outs and the advantages of using the Clock will be lost Some non dCS CD transports satellite receivers DAB radios and other equipment do not have a Word Clock Input and so CANNOT be locked to a Master Clock asl b When a computer or sound server is driving a dCS unit USB DAC Upsampler or U Clock p via a true asynchronous USB or Network interface the dCS unit controls the clocking and a behaves as the source equipment 4CS USB DACs and Upsamplers can either use their d internal clock or lock to a Master Clock 2 The clock frequency MUST match the sample rate s used in the system If it does not the system cannot lock and the DAC may remain muted Please check the manuals for the equipment used in your system 44 1kHz Word Clock is compatible with DSD based sy
5. recommend that you keep your software up to date Check the dCS web site occasionally for news of the latest software updates please open the Info gt Version menu page and check the Control Board version to verify eg that an update is actually needed le g Update discs are available from our distributors Before requesting an update disc This manual is for Vivaldi Clock software version 1 2x Issue 1 00 The first issue Issue 1 01 Reliability improvement Issue 1 10 Configuration menu added with Settings Lock Save amp Restore Configuration RS232 Binary commands added for set Group 1 output frequency to 88 2 96 176 4 amp 192kHz set Group 2 output frequency to 44 1 48 88 2 96 176 4 amp 192k Hz Dither 1 on off Dither 2 on off Sleep Wake amp Power Down Allow RS232 Text mode to set output frequency Various minor bugs fixed Issue 1 20 More RS232 Text mode commands added Vivaldi Clock Manual v1_2x Page 22 English version dCS Vivaldi Clock User Manual INDEX C CADIOS nni 6 CAL 10 CD SACD system 7 ClO ANS stione 20 configuration resto ennonn nn 18 SVC 18 configuration menu 18 CONTACT sicari 16 D display eec iecit NU edes 10 brightness 18 OI ee nee een dE Eure 18 display menu 18 dither oi hate os 10 17 E external reference 9 F Ile 4 freq1 button 11 11602
6. the nominal voltage to which the unit is set It is important to quote the serial number if you need assistance Vivaldi Clock Manual v1_ 2x Page 13 English version dCS Vivaldi Clock User Manual THE MENU Information Displays the Displays the software Displays dCS unit status issues amp serial contact details number Clock Settings Reference Input TTL Sets the External Input to detect TTL or AC Modulates the clock edges for better sensitivity Modulates the clock edges for better sensitivity Pr m Loads the previously saved config from memory Saves the current config to memory Locks some important settings Display Sets the display brightness Turns the main display on off Figure 5 The menu sequence Vivaldi Clock Manual v1 2x Page 14 Software Issue 1 2x April 2015 Loads new software from a dCS CD Select RS232 Text Mode or Binary Mode Restores standard factory settings English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 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 later by software updates The menu is controlled by four buttons Press the Menu button to open the menu or select a setting Press the button to page forward through the menu Press the lt button pages backward through the m
7. to 3mm A With all feet screwed fully home the unit will sit level on a flat surface If you need to do Y 1 8 of height adjustment Vivaldi Clock Manual v1 2x Page 4 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 Safety Notice Your dCS Vivaldi Clock 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 If you decide to remove safety covers for any reason disconnect the power cable first 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 Protect the product from dripping or splashing liquids Liquid filled objects such as vases must not be placed on the product v 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 s
8. will have been done contact your dealer to arrange repair Fuse type 20 x 5mm T 1A 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 Fuse failure is rare Referring to the diagram below remove the power cable use your fingernails to catch the two tabs of the fuse holder A push them together to release the clips and pull the fuse holder out Pull out the blown fuse from the lower position B and discard it Either move the Spare Fuse C to the lower position or fit one of the fuses from the manual pack Orient the fuse holder as shown D and push the holder back into the power inlet so that it clicks home 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 we recommend applying small quantities of a lanolin based cleaner using a clean 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
9. 13 W Waka 11 Warranty essei eter b ioo unns 21 word clock output 12 English version
10. DULtON ri 11 trequelicy pioli lla 11 Ont Balle eso oot coit 10 T ll SUSte mss alice 8 fuse replacing 20 G PROUD eoe la 12 Vivaldi Clock Manual v1 2x l information menu 16 L fore de 10 18 M Mella 14 ClOSO i LL 11 configuration 18 GISDIAY prescritta 18 information 16 SENES deesse Dd SE ROS 17 Via 15 menu back button 11 menu button 11 menu forward button 11 O operating conditions 21 P DOSITIODING irrita 4 power button 11 DOWER OTP csi ou hens 11 power Up aoe ot ees PE Eus 6 R rear panel oseni 12 reference input 10 12 17 remote control 10 FESO nani DM D 18 Page 23 Software Issue 1 2x April 2015 restore configuration 18 85232 glia 12 17 rules for master clock 6 Sae DU SPERARE RSI bod ddp Ri vopsutibesan 5 save configuration 18 serial number 13 SOT VICE dcn aa 20 settings menu 17 setup guide 6 SEED uio noc ei d edes us 11 SOftWare 16 22 specification 19 Sta CUS ila 16 T temperature stable 10 U unclocked sources 9 UD Gate PROPTER 12 16 22 V VOIE SIO Decani vts Caste o m u6st 16 VORGE E coprenu
11. dCS Vivaldi Clock Digital Audio Master Clock User Manual Software Release 1 2x April 2015 Data Conversion Systems Ltd 2012 2015 Price UK 10 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 Vivaldi Clock User Manual Software Issue 1 2x April 2015 Vivaldi Clock Manual v1_ 2x Page 2 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 Contents Using the dCS Vivaldi Clock for the first tiMme iii 4 What s in the box 4 Positioning the unit 4 Safety Notice 9 ils I 6 Preliminaries 6 The GOLDEN RULES for using a Master Clock 6 Connecting the system for CD SACD playback 7 A full Vivaldi system 8 Using an External Reference 9 Using sources that cannot lock to Word Clock 9 FONG aic NR etic E cates ware
12. eiver or an atomic clock with a 10MHz output you can lock the Vivaldi Clock to it These sources are even more accurate than the Vivaldi Clock but note that low jitter and good stability are more important than absolute accuracy e Use another BNC cable to connect the 10MHz output from the external reference to the Vivaldi Clocks Reference In connector e Open the Clock s menu and set the Settings gt Reference In menu page to AC Fed This icon appears when the Clock is locked to an external reference e Set the DAC Volume control to a suitable level and play some music Using sources that cannot lock to Word Clock You can use a device that does not have a Word Clock input such as a satellite receiver or a basic CD Transport in a Vivaldi system but a different set up is needed You cannot lock the DAC or Upsampler to the Master Clock if the source equipment is not also locked to the Master Clock because this breaks Golden Rule 1 3 box Vivaldi system To get around this when using a Vivaldi Transport DAC Clock simply connect the device to one of the DAC s inputs select that input and set the Settings gt Sync Mode page to Audio 4 box Vivaldi system Connect the device to one of the Upsamplers unused inputs such as SPDIF1 in or Toslink select that input and set the Upsampler s Settings gt Sync Mode page to Audio Next connect a BNC cable from the Upsamplers Word Clock Output to the DAC s Word Clock In3 input Connect one o
13. enu Press the Power button to close the menu or just wait 10 seconds Use the Menu Guide sheet to help you find the right menu page FUN Each unit in the range has either four or five top level menu pages The INFORMATION menu gives unit set up details software issues serial number and contact details Each model has a different SETTINGS menu which allows you to set some features that are not directly accessible from the front panel The CONFIGURATION menu allows you to lock important settings save a standard setup and reset the unit The DISPLAY SETTINGS menu is used to adjust the display The SIGNAL GENERATOR menu featured on the Transport Upsampler and DAC only contains test and set up routines HOMO Use the gt button to move the blue 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 Select the return icon to go back to the previous menu level Vivaldi Clock Manual v1 2x Page 15 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 INFORMATION Menu Unit Status The Unit Status page displays Serial number the long version including the configuration code Temperature C measured in the clock generator Calibrated yes no Clock input rate
14. f the Upsamplers SPDIF outputs to the DAC s matching input select that input and set the DAC s Settings gt Sync Mode page to Word Clock 3 Set the Upsamplers Output sample rate and play the music To change between the un clocked device and the Vivaldi Transport for example select the relevant inputs on the Upsampler AND the DAC Vivaldi Clock Manual v1 2x Page 9 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 FRONT PANEL A B VIVALDI CLOCK Powe e La Om Ori CD E FG Figure 3 Front panel Remote Control Receiver Aim the remote control handset towards the receiver A for best sensitivity Display In normal use the clock frequencies for Group 1 outputs 1 4 and Group 2 outputs 5 8 are shown at the top of the display B for example Group 1 441n Group 2 48n The Dither icon is displayed beside the frequency when the Dither menu page for that Group is set to on The icons at the bottom show the current settings or operating conditions these are The thermometer icon appears when the temperature of the unit has been stable for the last 2 minutes Note that the icon may appear and disappear as the room temperature changes during the day and the Clock has to make more fine corrections this is not a cause for concern If the thermometer icon disappears and reappears more frequently than you expect the temperature of the unit is fluctuating probably due to a cold
15. is 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 manual 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 The sup
16. lly lock when a suitable reference is connected and display this As the Vivaldi Clock is a grade 1 master clock there is nothing to be gained by locking it to a less stable or less accurate reference During software updating this input behaves as an SPDIF input Word Clock Outputs The unit has eight Word Clock Outputs which are split into Group 1 I and Group 2 J with 4 outputs in each group Each group can be set to 44 1 48 88 2 96 176 4 or 192kHz Word clock is used for synchronisation only it does not carry digital data Test interface This RS232 interface K has two modes set by the Settings gt RS232 menu page e Binary mode is used to remotely control the unit during automated production testing at dCs e Text mode is for use with a household automation system If you would like to use this mode please download the list of remote control commands from www dcsltd co uk The interface is designed to be used with a straight through cable wired pin 1 to pin 1 etc The pin connections are Pin 2 dCS unit transmit Pin 3 dCS unit receive Pin 5 ground Shell cable screen amp drain wire Vivaldi Clock Manual v1 2x Page 12 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 Mains inlet Power is connected via a standard IEC320 connector L protected by a fuse and isolated by a 2 pole power switch Label The label M states the unit s serial number and
17. nual v1_ 2x Page 8 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 e Set Master Clock Freq1 to 44 1kHz and Freq2 to 48kHz e Connect one of the Clock Group 1 outputs 44 1kHz to the Word Clock Input of the Transport it will automatically sync e Connect one of the Clock Group 1 outputs 44 1kHz to the DAC s Word Clock In1 input and one of the Clock Group 2 outputs 48kHz to the DAC s Word Clock In2 input e Connect one of the Clock Group 1 outputs 44 1kHz to the Upsamplers Word Clock In1 input and one of the Clock Group 2 outputs 48kHz to the Upsampler s Word Clock In2 input tulle Set the DAC and Upsampler Sync Mode menu pages to Auto Remember that this must be set separately for each active input e Connect the Upsamplers AES1 2 output to the DAC s AES3 4 input E The DAC s AES3 4 input allows commands to tunnel from the Upsampler The DAC s AES1 2 input does not e Connect the Transport s AES1 2 output to the DAC s AES1 2 input e Connect the Transport s AES3 output to the Upsampler s AES input e Computer audio sources as required can be connected to the Upsampler s Asynchronous USB interfaces and a NAS drive may be connected via a router to the Upsampler s Network input also Asynchronous Please see the Upsampler manual for more information e Set the Clock s Settings gt Dither menu pages On or Off as you prefer Using an External Reference If you have a GPS rec
18. on page 14 for information on using the menu features Freq1 Button Use the Freq1 button F to set the clock frequency for Group 1 Word Clock outputs A typical setting is 44 1kHz When the menu is open the Freq1 button changes to the lt button used to page backwards through the menu Freq2 Button Use the Freq2 button G to set the clock frequency for Group 2 Word Clock outputs A typical setting is 48kHz When the menu is open the Freq2 button changes to the button used to page forwards through the menu T k When using the automatic clock selection feature on the Vivaldi DAC and Upsampler it LO is essential that one Group is set to 44 1kHz and the other Group is set to 48kHz or exact multiples of these frequencies Vivaldi Clock Manual v1 2x Page 11 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 REAR PANEL 1 3 5 7 REFERENCE IN al Se SZ ee GROUP 1 WORDCLOCK OUTPUTS GROUP 2 es 2 4 6 8 e e e a N N A Figure 4 Rear panel Reference Input The Reference In connector H allows the unit to be locked to an accurate external reference such as an atomic clock or a GPS receiver icon when locking is complete With the Reference Input menu page set to TTL the unit will lock to a TTL compatible word clock With the Reference Input menu page set to AC the unit will lock to an AC coupled reference r1 The unit will automatica
19. or warm draught This icon appears when the Clock is locked to an external reference The Locked icon is displayed when the Settings gt Lock menu page is set The clock frequencies cannot be changed while this is displayed The CAL icon appears when the Clock requires re calibrating Please contact your dealer or distributor to arrange servicing Details of the menu displays are shown in the Menu section on page 14 Vivaldi Clock Manual v1_2x Page 10 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 gt A To avoid unnecessary display wear we recommend switching off or setting the unit to Sleep mode at the end of the listening session Power Button To switch on ensure the rear panel switch is set to and press the Power button C 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 D beside the button will illuminate and the Word Clock Outputs will be muted 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 SWITCHING OFF appears on the display then release it When the menu is open press the Power button to close the menu Menu Button Press the Menu button E to open the menu select menu pages and change settings See the Menu section
20. ply voltage must remain within 10 of the A C voltage specified on the back panel The supply frequency must be in the range 49Hz to 62Hz Ambient temperature range 0 C 32 F to 40 C 104 F non condensing Do not install the unit near heat sources such as radiators air ducts power amplifiers or direct strong sunlight e If in doubt the easy test is the unit is happy to work anywhere a human is Vivaldi Clock Manual v1 2x Page 21 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 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 update 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 produce an audible improvement We
21. r GPS receiver for example or TTL a Word Clock signal at TTL levels If you are not using an external reference set this page to TTL This setting is much less sensitive to stray signals which could otherwise interfere with the clock stability Dither The Dither feature modulates the clock edges in a controlled way to exercise the phase ST locked loops in the source and DAC improving their error correction Try it and decide for yourself whether you prefer Dither on or Dither off There are separate menu pages for Dither Group 1 and Dither Group 2 RS232 Mode P T RS232 Mode sets the RS232 interface to either Text mode for use with 3 9 party control systems or P B dCS production Binary mode which is intended for factory use only Vivaldi Clock Manual v1 2x Page 17 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 CONFIGURATION Menu Settings Lock Settings Lock when set to Locked this icon is displayed and the following settings cannot be changed e Group 1 output Frequency e Group 1 Dither e Group 2 output Frequency e Group 2 Dither e RS232 Mode e Factory Reset is disabled ao Set to Unlocked if you need to change these settings Save Configuration Once the unit is set up the way you want it select Save to store the settings in memory If you deliberately change the setup later and want to keep it select Save again to store the changes e Resto
22. re Configuration FK If the unit settings are accidentally changed select Restore to reload the settings you ae saved earlier Factory Reset This page resets the unit to standard settings These are e Output frequencies to 44 1kHz e RS232 Mode to Binary e Reference In to TTL e Brightness to maximum e Dither to Off e Display to On e Settings Lock to Unlocked DISPLAY SETTINGS Menu Brightness ul O Set the display Brightness to a comfortable level using the or gt buttons Display On Off This page is usually set to On display will turn on briefly when a control setting is changed The display will stay on When set to Off and the menu closes the display will turn off after a few seconds The zz while the menu is open Vivaldi Clock Manual v1 2x Page 18 English version dCS Vivaldi Clock User Manual Software Issue 1 2x SPECIFICATION Clock type Clock Frequencies Clock Accuracy Word Clock Outputs Reference Input Start up time Size and weight Power requirements April 2015 Class 1 Master Clock using dual crystal oscillators with microcontroller enhanced temperature correction 44 1 48 88 2 96 176 4 and 192kHz Better than 1ppm when shipped typically 0 1ppm when shipped and stabilised The calibration is tested over a temperature range of 5 C to 55 C 8 independently buffered outputs on 750 BNC connectors split into 2 groups that can run at diffe
23. rent clock frequencies External Reference Input on 1x 750 BNC connector Accepts word clock with the Reference In menu page set to TTL or AC coupled signals with the Reference In menu page set to AC at 1MHz 5MHz or 10MHz Lock range is 300ppm Typically 1 minute to rated accuracy 444mm 17 5 long x 435mm 17 2 deep x 126mm 5 0 high Allow extra depth for cable connectors Allow space for air flow around the unit 13 6kg 29 9lbs Internally set to either 100 115 120 220 or 230 240V AC 49 62Hz Power consumption 10W typical 12W maximum Consumes less than 0 5W when powered down from the front panel These specifications are subject to change without notice Vivaldi Clock Manual v1_2x Page 19 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 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 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
24. stems CD systems without an upsampler running at 44 1kHz or CD systems upsampling to 88 2kS s 176 4kS s or 352 8kS s or a computer streaming data at 44 1 88 2 or 176 4kS s 48kHz Word Clock is compatible with a DVD player or DAT recorder fitted with a Word Clock Input running at 48kS s or upsampling to 96kS s or 192kS s or a computer streaming data at 32 48 96 or 192kS s To make best use of a Master Clock all the digital audio units in the chain should be locked to it In a Vivaldi system you can use multiples of the base clock frequency If you wish you can try 88 2 or 176 4kHz instead of 44 1kHz and 96 or 192kHz in place of 48kHz Vivaldi Clock Manual v1 2x Page 6 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 Connecting the system for CD SACD playback Many owners will use the Vivaldi Clock to clock a Vivaldi stack at 44 1kHz CH1 OUT SPDIF 1 SPDIF ee 3 SDIF 2 DATA CH1 IN Analogue outputs to Amplifier 5 7 REFERENCE IN S a o om olio GROUP 2 e 6 8 e e iN A N i Figure 1 Using the Vivaldi Transport DAC and Clock together e Connectthe system as shown above e Use the Clock s Freq1 button to set the Group 1 Outputs to 44 1kHz to suit the CD Transport To sync the DAC to Word Clock 1 open the menu navigate to the Settings gt Sync Mode menu page The button sequence is Menu gt Menu and then use the Menu but
25. ton to select the Word Clock 1 icon The system will re lock and un mute e Set the Clock s Settings gt Group1 Dither menu page On or Off as you prefer Vivaldi Clock Manual v1 2x Page 7 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 A full Vivaldi system The Vivaldi s clocking system has been designed to be very comprehensive to cope with multiple sample rates with a mixture of clocked and un clocked sources This applies particularly to streaming computer audio files with different sample rates or using an Upsampler with a variety of output sample rates L e i E gH p B Analogue AS 3 outputs to Amplifier Figure 2 A 4 box Vivaldi system plus computer audio sources The system shown above makes excellent use of the Vivaldi s facilities The Upsampler can be sourced from the Transport a PC a NAS drive an iPod Phone Pad or a USB flash drive The multiple clock connections shown in green ensure that the DAC and Upsampler can always access a suitable clock despite changing file sample rates and changing Upsampler output rates The Vivaldi Master Clock has 2 Groups of outputs each of which can be set to any of 6 standard clock frequencies The DAC and Upsampler have 3 and 2 Word Clock inputs respectively to ensure they can have access to a suitable clock despite changing sample rates in the system Vivaldi Clock Ma
26. upply 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 Vivaldi Clock 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 Vivaldi Clock Manual v1 2x Page 5 English version dCS Vivaldi Clock User Manual Software Issue 1 2x April 2015 STEP BY STEP GUIDE This section guides you through setting up the unit for basic operation Preliminaries The Menu Guide sheet details the menu structure For all of the Word Clock Outputs and the Reference Input use 750 coax cables fitted with BNC plugs Connect the power cable supplied to the power inlet on the Clock rear panel plug the 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 ta 7 H ce gt The cables supplied with the unit are commercial grade because most owners will have 2 B their
27. yourself using the Update feature Please check our web site occasionally to see if new Vivaldi software is available or consult your dealer What s in the box Check that the box contains the following items dCS Vivaldi Clock Manual and Menu Setup Guide Power cable 2x BNC cables 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 A dCS Premium remote control is supplied with the Vivaldi DAC Positioning the unit For best sound quality the units in the Vivaldi range are designed to be mounted on separate shelves of a rack although they may be stacked directly on top of each other if this is absolutely necessary 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 The unit is supplied with 4 feet fitted If you prefer a 3 feet layout unscrew the two back feet remove the two black cores using a 2 5mm A F Allen key fit one of the cores in the middle position and replace the foot Take care not to cross thread the foot any levelling you can unscrew any of the feet up to 3 complete turns to give up
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