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dCS Scarlatti Clock
Digital Audio Master Clock
User Manual
Software Release 1.0x
June 2008
© Data Conversion Systems Ltd. 2007-8 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)
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without the prior written permission of dCS . Any person who does a
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 Filename: Scarlatti Clock Manual v1_0x.doc Page 2 English version
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 CONTENTS Contents ................................................................................................................................................. 3 Using the dCS Scarlatti Clock for the first time .................................................................................... 4 What’s in the box? 4 Safety Notice 4 Mains Voltage Setting 4 Power Cables 4 Mains Regenerators 5 Positioni
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 USING THE dCS Scarlatti Clock FOR THE FIRST TIME Congratulations on purchasing your dCS Scarlatti 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 yourself using the CD Update feature. Please check our web-site occasionall
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 Mains Regenerators 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 Scarlatti Clock by misuse of a mains regenerator or by a malfunctioning mains regenerator is not covered by the warranty. !
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 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 all of the Word Clock Outputs and the Ref Input, use 75 Ω 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
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 Connecting the system for DSD Most owners will use the Scarlatti Clock to clock a Scarlatti stack at 44.1kHz. • If necessary, use the FREQUENCY button to set the Clock to 44.1kHz. • Connect one of the Clock outputs to the Word Clock inputs of the transport and the DAC. • Connect a 1394 cable between the DAC and the transport. Select the DAC’s 1394 input. • The transport will automatically slave to the Clock and displ
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 Connecting the system for Dual AES Owners with an Upsampler may prefer to use it to run the DAC at 176.4kS/s. • If necessary, use the FREQUENCY button to set the Clock to 44.1kHz. • Connect one of the Clock outputs to the Word Clock inputs of the transport, the Upsampler and the DAC. • Connect an AES cable between the transport’s AES output and the Upsampler’s AES input, select that input. • Set the Upsampler to 176
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 FRONT PANEL POWER DISPLAY DITHER FREQUENCY MENU Scarlatti dCS A B C D E F G Figure 2 – Front panel POWER Button To switch on, ensure the rear panel switch is set to I 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 clock outputs will mute and the
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 Display In normal use, the clock frequency is shown at the top of the display (D), for example: The icons at the bottom show the current settings or operating conditions. From the left, these are: • Temperature stabilised, if the icon is displayed. • Dither on, if this icon is displayed. • Coupling menu setting (TTL is shown, the alternative is Bipolar). • If the unit is locked to an external reference, SYNC is d
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 REAR PANEL 1394 50/60 Hz, 30W ~ WORDCLOCK OUTPUTS REF. IN FUSE 1 2 3 4 567 8 SUC T 500mA L G H I J K L M Figure 3 – Rear panel Word clock is used for synchronisation only, it does not carry digital data. Word Clock Outputs The unit has eight identical Word Clock Outputs (G), all of which carry standard word clock at either 44.1kHz or 48kHz. Ref Input The Ref In connector (H) allows the unit to be locked to an
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 THE MENU Press "Step >" to move along the Menu, press "< Step" to move back. MENU Press "Select" to set a menu option or change options. Unit Information Version Contact CDUpdate information Displays the loaded Starts software Displays dCS Displays the unit software issues and update from a dCS contact details status serial number CD Clock Settings Coupling Factory Reset Sets the External Restores standard Input to detec
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 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 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 ← button pages backward through the menu. Press the POWER button to
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 INFORMATION Menu The Version page displays the software versions loaded in the unit and the full serial number. Please have this information ready if you contact your dealer for any reason. The Contact page displays dCS web-site URL, email address, telephone and fax numbers. If you have any difficulty, please contact your dealer for help first. The Clock Information page reports the status of the unit: O
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 SPECIFICATION Clock type Class 1 Master Clock with dual VCXO, temperature compensated. Clock Frequencies 44.1kHz or 48kHz. Clock Accuracy Better than +/- 1ppm when shipped (guaranteed for 12 months from shipping), typically +/-0.1ppm when shipped and stabilised. Word Clock Outputs 8 independently buffered outputs on 75 Ω BNC connectors, all carry the same clock frequency. Reference Input External Reference Input
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 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 curren
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 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.
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dCS Scarlatti Clock User Manual Software Issue 1.0x June 2008 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: dCS Ltd Mull House Great Chesterford Court Great Chesterford Saffron Walden CB10 1PF 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
