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dCS 954 User Manual Manual for Standard Software Version 1.5x
dCS Ltd June 2000
Manual part no: DOC136954 iss 2B1
Page 21
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
IMPORTANT!
If the Non Audio flag is stripped by the recorder and the dCS 954 is not set to
DSD mode, it will accept DSD data as AES3 PCM and will output potentially
damaging full scale noise.
If you connect DSD to the SDIF input and select it while DSD mode is Off, the
unit will remain muted, identify the format, automatically select DSD mode and
unmute.
If you connect SDIF while DSD mode is On, the unit will remain muted until you
set DSD mode to Off.
To use P3D mode (assuming your hardware is suitable), first set the DSD menu
option to dSd3. Connect the three-wire encoded DSD 44.1kS/s data streams to
the AES1-3 inputs taking care to ensure they are in the correct order, and press
the AES1 button. The 3 LEDs above the buttons will brighten and the display will
show dSd. Contact dCS for further details.
Test -
Runs a display self test routine. When successfully completed, the unit displays
Pass and returns to normal operation. Otherwise an error message Err.xy is
displayed – please refer to “Error Codes and Messages” on page 76 for more
specific information.
Data -
Reads and displays the message information from an incoming AES/EBU data
stream. This provides a simple access to the digital audio message bits for
reference or to assist with system debugging. There are separate data sets for
Professional and Consumer streams - the unit reads the incoming stream and
decides which it is. Pressing
Set again steps through the message fields (see
the Appendix for a fuller listing of what these are):
First field
Pro Professional use channel status block, or ...
Con Consumer use channel status block.
Second field
Audio Audio data, or ...
n.Aud Non-audio data.
Third field
N Ind Emphasis not indicated, or...
None No emphasis, or ...
50 15 50/15µs emphasis, or ...
J. 17 CCITT J.17 emphasis, or ...
D ---- Unable to decode emphasis, or ...
CPY P Copy prohibit, or ...
CPY E Copy enable.
Fourth field
Exxxx Encoded sample rate is “xxxx”, i.e. 32, 44.1, 48,
88.2, 96, 176.4 0r 192kS/s. Non-dCS equipment
may only decode the first 3 options. or ...
E---- Unknown encoded sample rate.
Fifth field