DCS 954 83

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

	Phone		27
	Facs		27
	Part		27
	S-No		28
	Flip		28
	Loc		28
	End		28
Typical Applications.........................................................................................			30
	Using a dCS 954 for DSD		30
	Using a Master Clock to Sync a dCS 954		30
	Replaying DSD from an 8 track 16/44.1 PCM Recorder		31
	Operating Several Units on One Remote Chain		31
	Six Channel PCM Set Up		32
	Replaying 6 channel DSD from a 24 track 16/44.1 PCM Recorder		33
	Replaying 8 Channel P3D DSD		34
	Upsampling a CD		35
	Converting Quad AES to Single AES		36
	Converting 4-wire DSD to SDIF DSD		36
	Replaying 24/192 from 2 Nagra-D recorders		37
dCS 954 Technical Information.........................................................................			38
	Anti Image Filtering		38
	Clocking		39
	Synchronising to source		39
	DSD		40
	Sample Alignment		41
	Digital Interface Specifications		45
	Analogue Interface Specifications		46
	Frequency Response		47
	Group Delay		48
	AES3 (AES/EBU) Format		49
	Message Handling		49
	How Far will AES3 Go?		49
	SDIF-2		52
	PCM Format		52
	SDIF-2 Messaging		53
	DSD on SDIF-2		54
	DSD on SDIF-3		54
	P3D Behaviour		55
	Mute on CRC Error	55
	Bit Error Rates	55
	RS-232 Remote Control Interface		56
	Overall Description		56
	Physical Interface		56
	Timing Accuracy and Warnings		56
	Transmit Message		57
	Acknowledge Message		57
	Example :		58
	Special Commands and Protocols		58
	Command Streams		59
	Example: Switching to 96k PCM		59
	Example: Switching to P3D		61
	Power Consumption		65
	Size and Weight		65
	Operating Conditions		66
General Technical Information........................................................................			68
	Jitter and PLL bandwidths		68
Options ..............................................................................................................			70
	Mains Voltage		70
	Video Frequency VCXOs		70
	P3D, DSD Pro and Other Formats		70
	Ordering Options For A New Unit		70
	Having Your Options Changed		70
Maintenance and Support................................................................................			72

Manual part no: DOC136954 iss 2B1	Page 83	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