DCS Bartok DAC User manual

Bartók DAC
User Manual
DCS311659 - V03

2
Document information
Published on: 21/06/2022
Document ID: DCS311659 - V03
Software version: 2.0x
Copyright
Copyright © 2022 Data Conversion Systems Ltd. All Rights Reserved.
Information contained in this manual is subject to change without notice, and whilst it is checked for accuracy, no
liabilities can be accepted for errors.
dCS is Data Conversion Systems Ltd. Company registered in England No. 2072115.
This product incorporates the following dCS proprietary technology: Ring DAC™
dCS and Ring DAC™ are registered trademarks of Data Conversion Systems Ltd.
Other product and company names may be trademarks or registered trademarks of other companies, and are the
property of their owners. They are used only for explanation, without intent to infringe.
Intended purpose
This document advises users how to set up, use and configure the product.
Conventions in this document
This document uses the following safety notices and tips:
WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
Indicates a hazardous situation which, if not avoided, could result in moderate injury, damage the product,
or lead to loss of data.
NOTICE
Indicates an important situation which, if not avoided, may seriously impair operations.
Additional information relating to the current section.
Contact address
Data Conversion Systems Ltd.
Unit 1, Buckingway Business Park,
Anderson Road,
Swavesey,
Cambridgeshire, CB24 4AE
UK
Bartók DAC User Manual

Contents
Safety 5
Getting started 7
What's in the box 7
Where to place the unit 7
Recommended cables and connectors 7
Overview 9
Front panel 9
Rear panel 11
Setting up 15
Connecting the power supply 15
Switching the unit on and off 15
Connecting analogue outputs 16
dCSMosaic 17
Connecting PCM inputs 18
Connecting a computer 20
Clocking 21
Using Power Link 25
Using the Bartók DAC 26
Navigating the menus 26
Changing the input 26
Changing the volume 26
Playing music with Apple AirPlay 27
Playing music with Spotify Connect 27
Playing music from streaming services 27
About MQA files 27
Using Roon 28
Playing music from a USB storage device 28
Settings 30
Overview of the menus 30
Software menus 31
Renaming digital inputs 32
Renaming your Bartók DAC 32
Viewing information about the unit 33
Audio settings 34
Unit settings 36
Bartók DAC User Manual
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Configuration settings 39
Display settings 41
System tests 42
Updating the software 42
Specifications 43
About the software 44
Maintenance 45
Replacing a blown mains fuse 45
Cleaning the unit 46
Troubleshooting 47
Support 49
Contact details 49
Limited warranty 50
General information 50
Warranty exclusions 50
Obtaining service 50
Operating conditions 51
Compliance 52
FCC compliance statement 52
Made for iPhone® and iPad® 52
Works with Apple AirPlay 53
Bartók DAC User Manual

Safety
The following statements are required to comply with U.S. safety standard UL60065.
CAUTION
Read and comply with all safety messages and instructions in this document.
• Follow the cleaning instructions in this document.
• Only install the unit according to the instructions in this document.
• Do not spill liquid on the unit or allow it to get wet.
• Do not install the unit near heat sources.
• Use only the attachments and accessories specified by dCS.
CAUTION
To prevent the risk of electric shock and ensure the best audio performance, connect
the unit to mains earth (ground) using the correct power cable.
• A grounding type plug has two blades and a grounding prong, which is
provided for safety. If the provided plug does not fit into your outlet, contact a
qualified electrician.
• Do not use the power cable if it is damaged.
• If this unit is not being used for a long period of time, disconnect the unit from
the power supply.
• During lightning storms, disconnect the unit from the power supply to prevent
power surges.
CAUTION
The safety covers on the unit protect you from electric shock.
• Do not remove the safety covers from the unit.
• If you do remove the safety covers from the unit, it invalidates the warranty.
NOTICE
If the unit is damaged, do not use it and contact a qualified service engineer. Possible
causes of damage to the unit include the following:
• Liquid is spilled on the unit.
• A heavy object falls on the unit.
• The unit is exposed to rain or moisture.
• The unit is dropped.
NOTICE
The voltage setting of the unit must match the local supply voltage. If you use the unit
with a different voltage from the local supply, it may damage the unit and invalidate the
warranty.
• The voltage setting on the unit is shown on the serial number label on the rear
of the unit.
• To change the voltage setting of the unit, contact your dealer.
Safety
Bartók DAC User Manual
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6
NOTICE
Damage caused to the unit by misuse of a mains regenerator or by a malfunctioning
mains regenerator is not covered by the warranty.
• We do not recommend the use of mains regenerators.
• If you want to use a mains regenerator with variable voltage and frequency,
set the voltage to match your local voltage. Set the frequency to either 50Hz or
60Hz.
• Do not change the output voltage of the mains generator while it is connected
to the unit.
NOTICE
If the unit is cold and is moved into a warm room, condensation may form inside the
unit. Condensation may interfere with the normal operation of the unit. If the unit has
been kept somewhere cold, remove all packaging and leave it for 1-2 hours before
using it to allow it to reach room temperature.
This product is not suitable for operation at altitudes above 2000m.
This product is lead-free and complies with the RoHS directive.
The symbol indicates that this product should not be treated as
normal household waste. Recycle this product at an approved
collection facility.
Safety
Bartók DAC User Manual

Getting started
What's in the box
The box contains the following items:
• dCS Bartók DAC
• User Guide
• Software Quick Start Guide
• Quick Reference Guide for the Mosaic Control app
• Power cable
If an item is missing from the box, contact your dealer.
Bartók DAC is intended to be controlled by the dCS Mosaic Control app. A dCS Universal IR
remote control is available as an optional extra.
We recommend that you keep the original packaging of the unit. If you need to order
replacement packaging, see www.dcsaudio.com.
Where to place the unit
To get the best sound quality, place the Bartók DAC on a separate shelf or rack from other audio
equipment.
• Place each unit on a firm, vibration-free base.
• Ensure you can easily connect the unit to the other parts of your system.
• Leave free space around the unit to allow for ventilation.
• To ensure the unit is level, adjust the feet on the bottom of the unit. The maximum
height adjustment is 3mm (1/8").
Recommended cables and connectors
We recommend the following cables and connectors for use with the unit. We supply
"commercial" cables with the unit, but you can use cables and connectors of your preferred
quality.
NOTICE
Heavy or inflexible power cables may damage the connectors on the unit.
Some “audiophile” cables have unusual grounding or screening arrangements, or they
don't have the correct characteristic impedance. If you have difficulty using such cables
but the problem disappears when you use standard cables, contact your cable
manufacturer.
Getting started
Bartók DAC User Manual
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Digital inputs
Input Recommended cable and connector
AES / EBU 110Ω screened, twisted pair cables fitted with one male 3way XLR connector and one
female 3way XLR connector.
Word Clock
/ SPDIF
BNC
75Ω coax cables fitted with BNC connectors.
SPDIF RCA 75Ω coax cables fitted with RCA phono connectors.
Toslink Toslink fibre-optic cables.
Network RJ45 Ethernet cable.
USB Standard screened USB 2.0 cable fitted with one type ‘A’ connector and one type ‘B’
connector. The internal screen must be connected at both ends.
The Word Clock sockets require a simple DC-coupled connection. If you use capacitor-
coupled cables or cables with built-in networks, the interfaces may not work correctly.
Analogue outputs
Output Recommended cable and connector
Balanced
output
Screened, twisted pair cables fitted with one male 3way XLR connector and one female
3way XLR connector.
Unbalanced
outputs
Coax cables fitted with RCA phono connectors.
Getting started
Bartók DAC User Manual

Overview
Front panel
3 4 5 6 7 8 1 2
Item Description
1Display Displays menus and information about the current input, for example, track name
and artist.
►For more information, see "Display" on the next page.
2Remote control
receiver
Aim the remote control at the remote control receiver.
3Power button Press to switch on the unit.
Press to enter sleep mode or wake from sleep mode. When in sleep mode, the
adjacent blue LED is lit.
Press and hold until SWITCHINGOFF is displayed to switch off the unit.
In a menu, press to close the menu.
4Menu button Press to open the main menu.
In a menu, press to select an item.
When a USB storage device is inserted in the USB2 socket, press and hold for 2
seconds to open the file browser.
5◄Filter button Press to change the PCM filter setting when receiving PCM data, or the DSD
filter when receiving DSD data.
►For more information, see "Changing the PCM filter" on page34.
In a menu, press to go to the previous page or item.
In a track list, press to go to the previous track.
6►Input button Press to cycle through the available digital inputs.
►For more information, see "Changing the input" on page26.
In a menu, press to go to the next page or item.
In a track list, press to go to the next track.
7Mute button Press to mute or unmute the audio.
When the file browser is open, press to go up to the folder at the level above.
8Rotary control Turn to change the volume. If the unit is set to balance mode, turn to adjust the
balance.
In a menu, turn to the right to go to the next page, and turn to the left to go the
previous page.
Overview
Bartók DAC User Manual
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Display
When streaming music from the network or a USB device, the display shows the following
information:
12
14
11
13
Area Description
1Information about the current song, for example, the artist, album name, track name, or file
name
2Data rate (word length and sample rate for PCM, or DSD or DSDx2)
3Status icons
►For more information, see "Status icons" below.
4Play/Pause icon and track elapsed time
When a digital input is selected, or the network input is selected but not active, the display shows
the following information:
12
14
11
13
Area Description
1Current input
2Data rate (word length and sample rate for PCM, or DSD or DSDx2)
3Status icons
►For more information, see "Status icons" below.
4Current volume
Status icons
In normal operation, status icons are shown on the display.
Icon Description
Filter setting when receiving PCM data
Filter setting when receiving DSD data
Overview
Bartók DAC User Manual

Icon Description
Clocking sync mode
Settings are locked
Phase is inverted
Channels are swapped
Decoding MQA format data
Decoding MQA Studio format data
Display is set to automatically turn off
Incorrect clock detected (AES and SPDIF inputs only)
Rear panel
10
8 9
76
5431 2
Item Description
1Balanced outputs XLR connectors to connect to a preamplifier or power amplifier.
►For more information, see "Line outputs" on the next page.
2Unbalanced outputs RCA connectors to connect to a preamplifier or power amplifier.
►For more information, see "Line outputs" on the next page.
3AES digital inputs Connectors for digital audio equipment.
►For more information, see "Digital inputs" on the next page.
4SPDIF digital inputs Connectors for digital audio equipment.
►For more information, see "Digital inputs" on the next page.
5USB sockets USB1 and USB2 sockets.
►For more information, see "USB sockets" on page13.
6Word clock inputs and
output
Connectors to accept word clock from source equipment or a master
clock.
►For more information, see "Word clock inputs and output" on
page13.
Overview
Bartók DAC User Manual
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Item Description
7Network socket Socket for streaming data from the local network or the Internet.
►For more information, see "Network socket" on the facing page.
8RS-232 socket Socket for remote control or Power Link.
►For more information, see "RS-232 socket" on page14.
9Power socket Power is connected via a standard IEC320 connector, with a power
switch and a fuse holder.
10 Label Information about the unit's serial number and nominal voltage.
Line outputs
The balanced and unbalanced outputs on the unit are independent, which allows you to connect
each output to a different amplifier.
Connect balanced outputs to true balanced inputs only. The outputs are electronically balanced
and floating, which reduces hum or interference picked up by the cable. There are three
connections:
1 2
3
Pin 1: Screen / ground
Pin 2: Signal+
Pin 3: Signal-
The balanced outputs do not work correctly when they are connected to an unbalanced
input.
Digital inputs
AES digital inputs
You can use the AES1 and AES2 inputs individually at data rates up to 192 kS/s or DSD/64.
If the DUALAES menu page is set to ON or AUTO, you can use AES1 and AES2 together as a
Dual AES pair. Dual AES supports the following inputs:
• PCM data (24/88.2 to 24/384)
• dCS-encrypted DSD data from Vivaldi, Rossini, Scarlatti, and Paganini Transports
• DoP data (DSD/64 or DSD/128 over PCM)
►For more information, see "Enabling and disabling Dual AES" on page37.
Dual AES works correctly only when the source generates Dual AES data.
SPDIF digital inputs
SPDIF1 and SPDIF2 are inputs that accept sample rates up to 192kS/s, including DoP/64.
SPDIF3 is a Toslink optical receiver that is guaranteed at up to 96kS/s, but may be usable at up
to 192kS/s.
Before you use the SPDIF3 input, remove the dust cover from the port.
Overview
Bartók DAC User Manual

USB sockets
The USB1 socket is a galvanically isolated ‘B’ type socket. It accepts PCM data at up to 24 bits /
384kS/s from a Windows™ PC, Apple Mac™, or sound server. The socket also accepts DSD/64
or DSD/128 files that are in DoP format.
The USB1 socket can operate in two audio classes:
• Class 1, which accepts files up to 96kS/s. No additional drivers need to be installed on
the connected computer.
• Class 2, which accepts files up to 384kS/s, DSD/64 or DSD/128 in DoP format. A dCS
USB Class2 driver needs to be installed on computers running Windows™ versions
before Windows™10 Creator's Update. No additional driver needs to be installed on
Apple desktops and notebooks running macOS10.6.3 or above.
►For more information, see "Setting the USB audio class" on page37.
The USB1 socket has been tested with various PCM streaming programs on
Windows™10, Windows™8.1, Windows™7(SP1), and macOS10.11. However, the
socket may not work with all devices, operating systems, or software.
The USB2 socket is an ‘A’ type socket. It can stream PCM music files in formats at up to 24 bits /
384kS/s or DSD/128. The connected USB device must be both of the following:
• A USB flash drive or low-powered USB hard drive, with the suggested maximum size of
32GB
• In FAT16, FAT32, or un-encrypted NTFS format
The USB1 and USB2 sockets work in true asynchronous USB mode, which ensures the unit is
not affected by clock jitter from connected devices.
Word clock inputs and output
The WORDCLOCK IN1 and WORDCLOCK IN2 sockets accept the following inputs:
• Standard word clock from the source equipment
• A master clock generating word clock at 44.1, 48, 88.2, 96, 176.4, or 192 kHz
The unit can only lock when the clock frequency is an exact multiple of the data rate.
When the sync mode is set to MASTER on the unit, the WORDCLOCK OUT socket carries
standard word clock at 44.1 or 48 kHz. You can connect the WORDCLOCK OUT socket to the
Word Clock Input on suitable source equipment, for example a dCS CD Transport.
Word clock is used only for synchronisation and does not carry digital audio data.
►For more information, see "Clocking" on page21.
Network socket
The NETWORKMAIN connection is an RJ45 socket that allows you to stream music from the
local network or Internet. The unit streams music files at up to 24 bits / 384 kS/s, or DSD/64, or
DSD/128. The network interface runs in asynchronous mode and is galvanically isolated.
The NETWORKLOOP connection is not supported.
CAUTION
The metal contacts of the network sockets can be damaged by accidentally inserting
the wrong connector. When a network socket is not in use, replace the dust cover.
Overview
Bartók DAC User Manual
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RS-232 socket
The RS-232 socket is a 9-way male D-type connector. It can operate in two modes:
• Text mode, which allows communication with a third-party control system. The baud
rate is 115200. To view a list of available commands in text mode, send a HELP
command from the connected system.
• Binary mode, which is for factory use only. The baud rate is 4800.
The connections for the pins in the socket are the following:
• Pin 2: unit transmit
• Pin 3: unit receive
• Pin 5: ground
• Shell: cable screen and drain wire
You can change the RS-232 mode in the UNITSETTINGS menu.
►For more information, see "Changing the RS-232 mode" on page38.
You can use the RS-232 socket to connect your Bartok DAC to a Rossini Master Clock, creating
a Power Link.
►For more information, see "Using Power Link" on page25.
Overview
Bartók DAC User Manual

Setting up
Connecting the power supply
Use the supplied power cable to connect your Bartók DAC to the power supply.
1. At the rear of the unit, insert the power cable into the power socket.
2. Connect the plug to a power supply.
Switching the unit on and off
At the rear of the unit, there is a power rocker switch next to the power cable. There is also a
Power button on the front panel.
To switch on the unit:
1. On the rear of the unit, press the power rocker switch to the Iposition.
2. Press the Power button.
To switch off the unit:
• Press and hold the Power button until SWITCHINGOFF is displayed.
Using sleep mode
Sleep suspends the unit in its current state, but keeps it ready for quick use.
• To enter sleep mode, press the Power button.
The display turns off, the front panel is disabled, and all outputs are muted. The Power
light turns on.
• To wake up from sleep mode, press the Power button.
To prevent screen burn-in of the display, switch the unit off or put it in sleep mode when
not in use.
Setting up
Bartók DAC User Manual
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Connecting analogue outputs
You can connect your Bartók DAC to preamplifiers and power amplifiers. The unit has two types
of analogue output connections: balanced and unbalanced. These outputs are independent,
which allows you to connect each output to a different amplifier.
Output connection type Cable to use
Balanced XLR cable
Unbalanced RCA phono cable
Connecting the unit's balanced output to an unbalanced input using an XLR cable is
not recommended, as it results in hissing noises, unstable levels, and a thin sound.
Connecting a preamplifier
You can connect a preamplifier to the balanced or unbalanced outputs.
1. Switch on the preamplifier and set it to a low volume.
2. Connect cables to the rear of the unit.
• If you are using the balanced outputs, connect XLR cables to the BAL LEFT and
BALRIGHT sockets.
• If you are using the unbalanced outputs, connect RCA phono cables to the
UNBALLEFT and UNBAL RIGHT sockets.
3. Connect the other end of the cables to the preamplifier.
The inputs may be labelled CD or AUX.
4. Turn the rotary control on the unit to increase the volume to maximum.
-0.0dB is displayed.
5. Play music on the unit.
►For more information, see "Using the Bartók DAC" on page26.
6. While music is playing, slowly increase the preamplifier volume to the desired level.
We recommend using the 2V line level setting with the preamplifier, as the 6V setting
can cause the preamplifier to distort.
►For more information, see "Changing the line output level" on page37.
Setting up
Bartók DAC User Manual

Connecting a power amplifier
You can connect a power amplifier directly to the balanced or unbalanced outputs.
1. Turn the rotary control on the unit to set the volume to -40.0dB.
2. Connect cables to the rear of the unit.
• If you are using the balanced outputs, connect XLR cables to the BAL LEFT and
BALRIGHT sockets.
• If you are using the unbalanced outputs, connect RCA phono cables to the
UNBALLEFT and UNBAL RIGHT sockets.
3. Connect the other end of the cables to the power amplifier.
4. Switch on the power amplifier.
5. Play music on the unit.
►For more information, see "Using the Bartók DAC" on page26.
6. While music is playing, slowly turn the rotary control on the unit to increase the volume
to the desired level.
If you need to set the volume on the unit higher than -10.0dB or lower than -30dB to
reach a comfortable listening level, you may need to adjust the line output level.
►For more information, see "Changing the line output level" on page37.
dCS Mosaic
dCS Mosaic is a bespoke collection of hardware and software modules that allow you to access
your digital music. With dCS Mosaic,you can stream content from the following:
• Local streaming sources, such as a music server on your network or using
Apple AirPlay
• Internet services, such as Spotify, TIDAL, Qobuz and Deezer
• Internet Radio
• Podcasts via Airable
The Mosaic Control app
Mosaic Control is an app for your iOS or Android mobile device. With the Mosaic Control app you
have access to a vast library of music through a simple, yet powerful interface. You can use the
app to:
• Browse media from various streaming services
• Manage settings and configuration options for your dCS products
Setting up
Bartók DAC User Manual
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To download the Mosaic Control app, visit the app store on your iOS or Android device and
search for dCS Mosaic.
Help using the Mosaic Control app
To view the User Guide for the Mosaic Control app, visit https://dcs.community/t/dcs-mosaic-
user-guide/
Connecting to your network
You can connect your Bartók DAC to your network using an Ethernet cable. After the unit is
connected to the network, you can stream content from local sources, such as a music server on
your network, or from Internet services.
Before you connect to the Internet, ensure you have the following items:
• A wireless router with an Ethernet connection.
• A mobile device with the Mosaic Control app installed.
►For more information, see "dCSMosaic" on the previous page.
• Optional: A music server, such as a Network Attached Storage (NAS) server. The music
server must be UPnP (Universal Plug and Play) compatible, and must be connected to
the router via an Ethernet cable.
We fully test our products with the MinimServer UPnP server software. For more
information about MinimServer, visit www.minimserver.com
For more information about configuring your network for dCS Mosaic, contact your
dealer.
To connect your Bartók DAC to your network:
1. At the rear of the unit, connect an Ethernet cable to the NETWORKMAIN socket.
2. Connect the other end of the Ethernet cable to a router.
3. On your mobile device, connect to the same network as your router.
4. On your mobile device, open the Mosaic Control app and connect to your Bartók DAC.
5. Download the online Mosaic User Guide from:
https://dcs.community/t/dcs-mosaic-user-guide
Connecting PCM inputs
Your Bartók DAC has five Pulse-Code Modulation (PCM) input ports. You can use these ports to
connect audio equipment to the unit, for example, CD transports, DVD players, or upsamplers.
There are two types of PCM ports:
• AES (Audio Engineering Society)
• SPDIF (Sony/Philips Digital Interface)
Setting up
Bartók DAC User Manual

When listening to music from audio equipment that is connected to the PCM ports on
your Bartók DAC, the unit may display 0bits between tracks or if no music is playing.
This is because no data is being transferred.
Connecting a single AES or SPDIF input
Most digital audio source equipment is fitted with at least one digital output, which is usually an
RCAphono connector. Satellite receivers usually have a Toslink optical output.
1. At the rear of your Bartók DAC, connect a suitable cable to an AES or SPDIF socket.
2. Connect the other end of the cable to the source equipment.
3. Switch on the source equipment.
4. If possible, play music on the source equipment to generate an audio signal.
5. Press the Input button to select one of the following inputs: AES1,AES2,SPDIF1,
SPDIF2, or SPDIF3.
After you have selected the input, the display shows the bit rate and format of the
current music.
If the AUDIO sync mode icon is not displayed, select it on the
UNITSETTINGS >SYNCMODE menu page.
Connecting a Dual AES input
Some audio equipment can output in Dual AES. Example products include a dCS SACD
transport, a dCS upsampler, or a sound server.
1. Use XLR cables to connect your Bartók DAC to the source equipment. Ensure the
cables are not swapped.
• Connect the AES1 (or AESA) output on the source equipment to the AES1
socket on the unit.
• Connect the AES2 (or AESB) output on the source equipment to the AES2
socket on the unit.
2. Switch on the source equipment.
3. If possible, play music on the source equipment to generate an audio signal.
4. Ensure that the UNITSETTINGS >DUALAES menu page is set to AUTO.
►For more information, see "Enabling and disabling Dual AES" on page37.
5. Press the Input button repeatedly until the input is AES1.
The unit locks to the source. AES1+2 and the format of the current music is displayed.
If the AUDIO sync mode icon is not displayed, select it on the
UNITSETTINGS >SYNCMODE menu page.
Setting up
Bartók DAC User Manual
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Dual AES mode is not available if the sample rate is 44.1 or 48 kS/s. With these sample
rates, the input changes to AES1.
Connecting a computer
You can connect a computer to the USB1 socket on your Bartók DAC. For best results, we
recommend using a premium music streaming program instead of software included with the
operating system.
The USB1 socket can operate in two audio classes:
• Class 1, which accepts files up to 96kS/s. No additional drivers need to be installed on
the connected computer.
• Class 2, which accepts files up to 384kS/s, DSD/64 or DSD/128 in DoP format. A dCS
USB Class2 driver needs to be installed on computers running Windows™ versions
before Windows™10 Creator's Update. No additional driver needs to be installed on
Apple desktops and notebooks running macOS10.6.3 or above.
►For more information, see "Setting the USB audio class" on page37.
The USB1 socket has been tested with various PCM streaming programs on
Windows™10, Windows™8.1, Windows™7(SP1), and macOS10.11. However, the
socket may not work with all devices, operating systems, or software.
1. Use a USB cable to connect a computer to the USB1 socket on the rear of the unit.
2. Press the Input button repeatedly until USB1 is displayed.
3. If is not displayed, set the UNITSETTINGS >SYNCMODE menu page to MASTER.
This is the default sync mode for USB and network inputs.
►For more information, see "Setting the clocking sync mode" on page36.
If the USB input stops responding on the unit, do the following:
1. Disconnect the USB cable from the unit.
2. Change the USB audio class, then change it back to its original setting.
►For more information, see "Setting the USB audio class" on page37.
3. Reconnect the USB cable to the unit.
Selecting Bartók DAC as the audio output device on your computer
To listen to music from your computer on the unit, you may need to change your preferred audio
output device.
macOS™
1. Select Finder.
2. Select the Go tab.
3. Select Utilities >Audio MIDI Setup.
4. Use the right mouse button to select dCS Bartok DAC USB ….
Setting up
Bartók DAC User Manual