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DCS 954 Hardware Update or Calibration, Warranty, Safety and Electrical Safety

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dCS 954 User Manual	Manual for Standard Software Version 1.5x
dCS Ltd	June 2000

Hardware Update or Calibration

You may wish to have your unit updated occasionally. dCS offer this service - we will install any modifications or hardware updates that have occurred since your unit was first shipped, and give the unit a full retest to current standards, including re-calibrating its VCXOs (which drift over time). The price will depend on the hardware changes necessary – so contact your dealer or us. In order to ensure speedy turn around please contact us prior to returning the unit.

Warranty

Your dCS 954 is guaranteed for a period of 12 months against faulty workmanship or materials. Warranty repairs should only be carried out by dCS or an authorised distributor. This warranty will be invalidated if the unit is misused or tampered with in any way.

Safety and Electrical Safety

There are no user serviceable parts inside the dCS 954 and so there is no need to remove the covers, apart from front panel software updates. If for some reason you do:

IMPORTANT! Disconnect from the mains before removing any covers or changing the fuse.

There are no substances hazardous to health inside the dCS 954.

Manual part no: DOC136954 iss 2B1

Page 74

file 135954ma2b1.pdf available from website

Contact dCS on + 44 1799 531 999	email to: more@dcsltd.co.uk
(inside the UK replace + 44 with 0)	web site: www.dcsltd.co.uk

Contents

© 1997, 1999, 2000 dCS Ltd dCS Ltd PRODUCT FEATURES CONTENTS About this Manual USING YOUR dCS 954 FOR THE FIRST TIME Product Overview What’s in the Box Mains Voltages Installing Unit in a Rack Getting Started Page THE HARDWARE – CONTROLS AND CONNECTORS Rear Panel SDIF/DSD Clk In SDIF/DSD Clk Out Remote In & Out 9 pin D type male (2 off) “Installing New Software” Front Panel Active Input blue white Step The Software – the Menu” Menu Set Set “A-Cut” button, see “The Software – the Menu” on Phase Display De-Emphasisin Use (low sample rates) Mode Display Input Format Sample Rate Display “Error Codes and Messages” “Internal Device Error Codes” on page 76 for Menu Page THE SOFTWARE – THE MENU Overview The Menu Sequence Menu Items Test Data 7-Seg Heat A-Cut A-Sel RS232 “RS-232 Remote Control Interface” Ref In AES Reference In/Out Tone Sys Page I-For For Filt BNC In BNC O BNC Out Clk Out Panel Control Phone S-No Flip Loc End Page TYPICAL APPLICATIONS Using a dCS 954 for DSD Using a Master Clock to Sync a dCS Replaying DSD from an 8 track 16/44.1 PCM Recorder Operating Several Units on One Remote Chain Six Channel PCM Set Up Replaying 6 channel DSD from a 24 track 16/44.1 PCM Recorder Replaying 8 Channel P3D DSD Upsampling a CD Converting Quad AES to Single AES Converting 4-wireDSD to SDIF DSD Replaying 24/192 from 2 Nagra-Drecorders dCS 954 TECHNICAL INFORMATION Anti Image Filtering Clocking DSD Sample Alignment Page Page Page Digital Interface Specifications Analogue Interface Specifications Frequency Response Group Delay AES3 (AES/EBU) Format Page Page SDIF-2 SDIF-2Messaging DSD on SDIF-2 DSD on SDIF-3 P3D Behaviour RS-232Remote Control Interface Transmit Message Acknowledge Message Example : Special Commands and Protocols Command Streams Example: Switching to 96k PCM Page Example: Switching to P3D Page Page Page Power Consumption Size and Weight Operating Conditions Page GENERAL TECHNICAL INFORMATION Jitter and PLL bandwidths Page OPTIONS Page MAINTENANCE AND SUPPORT Hardware Software Hardware Update or Calibration Warranty Safety and Electrical Safety Page TROUBLESHOOTING Error Codes and Messages Internal Device Error Codes System Messages and Error Codes Trouble Shooting Your System The unit fails to respond to the controls The audio output is low or absent The level trimmers on the rear panel do not change the output level The Left and Right channels are swapped Dual AES The output is monophonic Clicks or crackles occur on the outputs The Display turns on briefly when a button is pressed, then turns off The unit fails to slave to a Master Clock The unit slaves to Word Clock but not AES Reference I wish If You Need More Help Other Information INDEXES AND SOFTWARE VERSION NUMBERS Definitions of Units Full Contents Page Page Tables Figures Keywords and Phrases