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1. Rossini Clock Manual v1_0x Page 8 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Using the Rossini Player or DAC and Clock with other sources The Clock can be used with other sources that have a Word Clock Input and can accept standard word clock The setup is basically the same as for the Transport on the previous page The frequency at Output 3 can be changed to either 48 or 44 1kHz by RS232 commands to match changing data rates The data rate must be an exact multiple of this to comply with Rule 2 Output 3 resets to 44 1kHz when the Clock powers up Fo Other digital audio sources that do not have a Word Clock Input such as Blu Ray players or satellite receivers cannot be locked to the Rossini Clock To comply with Rule 1 the Player DAC input driven by these sources must be set to Unit Settings gt Sync Mode gt Audio The Aurender W20 server can control the frequency of the Rossini Clock s Output 3 via their RS232 control dongle Please see the W20 manual for details Rossini Clock Manual v1_0x Page 9 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Power Link Connecting the Player or DAC s RS232 port to the Rossini Clock s RS232 Loop port allows both units to be set to sleep wake off by pressing the Player or DAC s Power button or by one remote control command Both units must be in the same RS232 mode Binary or Text As the Clock boots up in2. 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 Rossini Clock Manual v1 0x Page 14 English version dCS Rossini Clock User Manual Software Issue 1 0x October 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 4CS 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 4CS will use this information for warranty purposes only we will not contact you directly for reasons rela
3. Binary mode set the Player or DAC s Unit Settings gt RS232 menu page to Binary A screened cable fitted with two 9 way female D type connectors wired pin to pin is required RS232 Control The Clocks settings can be changed using a control system or a computer running a terminal emulator program The procedure using a Windows PC with TeraTerm is described here but other programs such as PuTTY or ZTerm can be used If you have difficulty with this please ask your Dealer for help e Hold down the Clock s Dither 1 button and power up the Clock This sets the Clock to RS232 Text mode e Power up a Windows PC erat port setup lt e If necessary download Tera Term from http en sourceforge jp projects ttssh2 releases Port COMS 7 and install it on your PC If the link is broken EE E 115200 please search for Tera Term online e Use a USB to RS232 adapter cable to connect the ves 3 Dit sanee Clock s RS232 IN port to one of the PC s USB Parity none x poris Stop 1 bit Hep e Run ttermpro exe e Click the Serial button Tera Term will i ii none automatically select the port connected to the gina Clock Click OK e Click Setup gt Serial Port set the panel as shown 0 imisesshare J0 sean with the Baud rate set to 115200 and click OK e Commands are in UPPERCASE only type HELP to list the available commands Rossini Clock Manual v1 0x Page 10
4. VVord Clock 1 2 Auto icon Close the menu W e If you are using the USB1 or USB2 inputs lock them to the Clock in the same way as for the Network input e Try turning on the Clock s Dither features Rossini Clock Manual v1 0x Page English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Using the Rossini DAC and Clock with a Transport The Rossini Clock has a third output normally fixed at 44 1kHz which may be used to synchronise another source such as an SACD Transport CHI OUT CH2 OUT e fo SPDIF2 da e So SDIF 2 DATA Sat iN out BAL LEFT oto 10100 1000 WORDCLOCK OUTPUTS Analogue outputs Figure 2 Using the Rossini DAC and Clock with a Vivaldi Transport e Connect the system as shown above e Use the DACs Input button to select the input you want to use AES1 2 in the example W W The Vivaldi Transport will lock to the word clock and display this icon zt Set the DAC s Unit Settings gt Sync Mode menu page to Word Clock 1 2 Auto mode e If you want to listen to CD playback in native 16 44 1 format connect one of the Transport s SPDIF outputs to the DAC s matching input Note that the Transports PCM outputs must be turned on Select that input and set it to Master Mode also ly pa A vi Output 3 resets to 44 1kHz when the Clock powers up The Rossini Player will also work in this setup
5. feature When new Clock software is available your unit can be updated by the distributor for your country via RS232 Please visit our web site to find your distributor Occasionally a hardware upgrade may be necessary also to increase the capacity of the electronics Please note that not all software updates produce an audible improvement We recommend that you keep your software up to date Check the dCS web site occasionally for news of the latest software updates This manual is for Rossini Master Clock software version 1 0x Issue 1 00 The first issue Rossini Clock Manual v1_0x Page 16 English version dCS Rossini Clock User Manual INDEX A Aurender dongle 9 C CAD 6 Ata an 14 clocking a transport 8 clocking another source 9 CO EL stiate 16 D dither buttons 11 F fTEQUENCY mma 12 FONT ID ANC gianni 11 fuse replacing 14 Rossini Clock Manual v1_0x M MAINS INlet 12 O operating conditions 15 P POSE ONI NG cca 4 power button 11 power link 10 12 PO We OM sarai 11 POWer UP aah 6 R rear panel oa bae 12 remote control 12 RS232 control 10 RS232 interface 12 rules for master clock 6 Page 17 Software Issue 1 0x October 2015 S FIVE 5 serial
6. number 12 SOUVIC Cs era 14 15 set Text mode 10 setup RUE pria 6 S OOP nr 11 SOr Warna ko 16 specification 13 Systemi SetuP seniii 7 V VOILA per aa 12 W WAKE 11 warranty iii 15 word clock output 12 English version
7. English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 FRONT PANEL Figure 3 Front panel Dither Buttons The Dither feature is designed to exercise the Phase Locked Loop in the Player DAC to improve the correction of small timing errors Try it and see what you think Press one or both of the Dither buttons A amp B to turn the Dither feature off and on When Dither is on the LED to the right of the button will illuminate Dither 1 affects Word Clock Output 1 also Output 3 if it is set to 44 1kHz Dither 2 affects Word Clock Output 2 also Output 3 if it is set to 48kHz Power Button To switch on ensure the rear panel switch is set to I and press the Power button C on the front panel once To set the unit to sleep mode press the Power button once The LED beside the button will dim 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 few seconds until the LED turns off then release it Rossini Clock Manual v1_0x Page 11 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 REAR PANEL 1 2 3 git AN AN e Ko w ww w WORDELOCK OUTPUTS Figure 4 Rear panel Label The label D states the unit s serial number and the nominal voltage to which the unit is set It is important to guote the serial number if you
8. ction 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 nt i Q With all feet screwed fully home the unit will sit level on a flat surface If you need to do AZA any levelling you can unscrew any of the feet up to 3 complete turns to give up to 3mm 1 8 of height adjustment Rossini Clock Manual v1 0x Page 4 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Safety Notice Your dCS Rossini Master 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 Note that removing covers voids the warranty 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 liguids Liguid filled objects such as vases must not be placed on the product VA 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 mai
9. dCS Rossini Clock Digital Audio Master Clock User Manual Software Release 1 0x October 2015 Data Conversion Systems Ltd 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 1 dCS is Data Conversion Systems Ltd Company registered in England No 2072115 dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Rossini Clock Manual v1 0x Page 2 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Contents Using the dCS Rossini Master Clock for the first tiMe mo momo omm em mJ 4 What s in the box 4 Positioning the unit 4 Safety Notice 5 Steb by Step GUN ea nare 6 Preliminaries 6 The GOLDEN RULES for using a Master Clock 6 Using the Rossini Player or DAC with the Clock 7 Using the Rossini DAC and Clock with a Transport 8 Using the Rossini Player or DAC and Clock with other sources 9 Power Link 10 RS232 Control 10 FONE TAIN na an an na 11 Dither Bu
10. is compatible with digital data sampled at 48 96 192 or 384kS s The Rossini Player and DAC have 2 Word Clock Inputs so that they can be supplied with both 44 1kHz and 48kHz clocks When set to W sync the Player or DAC can automatically select the correct clock frequency and multiply it to match the data Su Rossini Clock Manual v1_0x Page 6 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 Using the Rossini Player or DAC with the Clock The Rossini Master Clock is primarily designed for use with the Rossini Player or DAC to enhance performance when using the Network and USB inputs The Clock can also be used with the Rossini Player for improving CD playback WORDCLOCK OUTPUTS Analogue outputs to pre or power amplifier Figure 1 Using the Rossini Player and Clock together e Connectthe system as shown above The DAC connects in the same way e Use the Players Input button to select CD mode va Open the Players menu navigate to the Settings gt Sync Mode menu page the button VA sequence is Menu gt Menu Use the Menu button to select the Word Clock 1 icon The Player will re lock and un mute e Either wait for the menu to close or press the Player s Power button briefly to close it e Use the Player DAC s Input button to select the Network input Open the Player DAC s menu navigate to the Settings gt Sync Mode menu page again Use the Menu button to select the
11. lass 1 Master Clock featuring dual crystal oscillators with microcontroller enhanced temperature correction 44 1 and 48kHz Better than 1ppm when shipped typically 0 1ppm when shipped and stabilised The calibration is stable over a temperature range of 5 C to 55 C Three independently buffered TTL compatible outputs on 750 BNC connectors e Output 1 fixed at 44 1kHz e Output 2 fixed at 48kHz e Output 3 set to 44 1kHz at power up RS232 controllable Typically 1 minute to rated accuracy 444mm 17 5 long x 435mm 17 2 deep x 64mm 2 6 high Allow extra depth for cable connectors 8 3kg 18 3lbs Internally set to either 100 115 120 220 or 230 240V AC 49 62Hz Power consumption 3W typical 4W maximum Consumes less than 0 5W when powered down from the front panel These specifications are subject to change without notice Rossini Clock Manual v1 0x Page 13 English version dCS Rossini Clock User Manual Software Issue 1 0x October 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 ve
12. need assistance Word Clock Outputs The unit features three Word Clock Outputs e Output 1 E generates 44 1kHz e Output 2 F generates 48kHz e Output 3 G is set to 44 1kHz at power up it can be set to either 44 1 or 48kHz by RS232 commands Word Clock is used for synchronisation only it does not carry digital audio data RS232 Interface RS232 interface on 2x 9 way male D type connectors The Input connector H is driven from a controller device the Loop connector 1 loops through to the Rossini Player or DAC The interface is designed to be used with straight through cables wired pin 1 to pin 1 etc The pin connections are e Pin 2 dCS unit transmit e Pin 3 dCS unit receive e Pin5 ground e Shell cable screen amp drain wire When the Clock is looped through to the Rossini Player DAC pressing the Power button on the Player DAC sends an RS232 command to set the Clock to Sleep Wake Off also Both units must be in the same RS232 mode Binary or Text the Clock always powers up in Binary mode Mains inlet Power is connected via a standard IEC320 connector J protected by a fuse and isolated by a 2 pole power switch Rossini Clock Manual v1_0x Page 12 English version dCS Rossini Clock User Manual Software Issue 1 0x SPECIFICATION Clock type Clock Freguencies Clock Accuracy Word Clock Outputs Start up time Size and weight Power reguirements October 2015 C
13. ns 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 Rossini Master Clock by misuse of a mains regenerator or by a malfunctioning mains regenerator is not covered by the warranty normal household waste It should be recycled so please take it to an approved bsd Disposal at end of life the symbol indicates that this product should not be treated as collection facility Rossini Clock Manual v1_0x Page 5 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 STEP BY STEP GUIDE This section guides you through setting up the unit for basic operation Preliminaries For the Word Clock Outputs 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
14. power cable as this may damage the power inlet connector Y ls The cables supplied with the unit are commercial grade because most owners will have their own audiophile grade cables or will prefer to make their own cable choices a ad Set the rocker switch near the mains inlet to the I position Press the Power button the Power LED will illuminate Wait about 30 seconds while the Clock settles The GOLDEN RULES for using a Master Clock The Rossini system is primarily designed for computer audio or CD Playback The Rossini Clock is deliberately simpler than a standard dCS Master Clock but it uses the same ultra stable calibration system The GOLDEN RULES still apply but we have found ways to bend them 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 ls When the Rossini Player DAC s asynchronous Network or USB inputs are selected the Player DAC behaves as the source equipment _ P r A _ 2 The clock frequency MUST match the sample rate s used in the system If it does not the system cannot lock and the Player DAC may remain muted Please check the manuals for the equipment used in your system 44 1kHz Word Clock is compatible with digital data sampled at 44 1 88 2 176 4 or 352 8kS s or DSD 48kHz Word Clock
15. ry 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 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 Spare Fuse Cleaning the case The case of your dCS equipment is 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
16. ting 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 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 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 a
17. ttons 11 Power Button 11 Rear ir ANNO an NS na PA 12 Label 12 Word Clock Outputs 12 RS232 Interface 12 Mains inlet 12 Open Cat sleale aa 13 Maintenance and Sup Dor EN aaa 14 Service and Maintenance 14 Replacing a Blown Mains Fuse 14 Cleaning the case 14 Limited Warranty 15 If you need more help 16 Software 16 Nd 17 Rossini Clock Manual v1_0x Page 3 English version dCS Rossini Clock User Manual Software Issue 1 0x October 2015 USING THE dCS ROSSINI MASTER CLOCK FOR THE FIRST TIME Congratulations on purchasing your dCS Rossini Master Clock Before using your unit please read this section and the Step by Step Guide This will enable you to set the unit up guickly and safely with your hi fi system What s in the box Check that the box contains the following items dCS Rossini Master Clock Manual 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 Positioning the unit For best sound quality the units in the Rossini 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 conne
18. void 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 supply 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 Rossini Clock Manual v1 0x Page 15 English version dCS Rossini Clock User Manual Software Issue 1 0x October 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 The Rossini Master Clock does not have a display The software version currently loaded can be checked by connecting the RS232 interface to a PC running terminal software e g TeraTerm set for 4800 baud and powering up Unlike most other dCS products the Clock does not have the CD Update
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