dCS Vivaldi DAC User Manual Software Issue 2.0x
November 2016
Vivaldi DAC Manual v2_0x Page 41 English version
Software History
dCS products make extensive use of software configurable chips – FPGAs and DSPs. This gives us
the ability to update our products to add extra features, update digital interface standards or make
performance improvements by loading new software. Occasionally, a hardware upgrade may be
necessary also to increase the “capacity” of the electronics, add extra connectors or extra front panel
controls.
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.
Update discs are available from our distributors. Before requesting an update disc,
please open the Info > Version menu page and check the Control Board version to verify
that an update is actually needed.
This manual is for Vivaldi DAC software version 2.0x.
Issue 1.00 The first issue.
Issue 1.01 Reliability improvement.
Issue 1.02
Enhanced functionality of "tunnel" commands for App support.
RS232 commands added for Sleep, Mute, Output Level and Volume.
Issue 1.10
Configuration menu added, with Settings Lock, Save & Restore Configuration.
Buffer and EasyPlay features added to the Settings menu.
Inputs that are not connected and active cannot be selected.
The USB input accepts 24-bit data at 352.8 and 384kS/s.
Universal Master Mode added.
The DAC Mutes the outputs when the Non-Audio flag is set in the incoming data.
RS232 commands added for Set Sync Mode, set Balance, report Balance setting.
Filter settings for 176.4 & 192kS/s are stored correctly at switch off.
Performance at 32kS/s corrected.
Various minor bugs fixed.
Issue 1.20
When the Non Audio flag is displayed, changing the volume causes the volume display to
reappear momentarily. The volume setting behaves correctly when the unit is muted and
the volume is changed.
More RS232 Text mode commands have been added.
The unit will re-lock when the second cable of a Dual AES pair is connected.
Issue 2.00
Two new 6MHz Mappers added.
Support for DSD/128 added to USB and Dual AES interfaces.
DSD Filter 5 added.
Output levels 0.2V & 0.6V rms added.
Display changes to full-screen volume when the setting is changed.
More RS232 Text mode commands added.
Issue 2.01
0.2V & 0.6V Output Level settings are correctly stored at power down.
Improved remote control via the Upsampler / Vivaldi 2.0 app.
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