• Do not attempt to repair the unit, or
replace parts within it (except when
this manual provides specific instructions directing you to do so). Refer all
servicing to your retailer, the nearest
Roland Service Center, or an authorized Roland distributor, as listed on
the “Information” page.
The symbol alerts the user to important instructions
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
The symbol alerts the user to items that must never
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.
The ● symbol alerts the user to things that must be
carried out. The specific thing that must be done is
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.
007
• Make sure you always have the unit
placed so it is level and sure to remain
stable. Never place it on stands that
could wobble, or on inclined surfaces.
• This unit, either alone or in combination with an amplifier and
headphones or speakers, may be
capable of producing sound levels that
could cause permanent hearing loss.
Do not operate for a long period of
time at a high volume level, or at a
level that is uncomfortable. If you
experience any hearing loss or ringing
in the ears, you should immediately
stop using the unit, and consult an
audiologist.
• Immediately turn the power off, and
request servicing by your retailer, the
nearest Roland Service Center, or an
authorized Roland distributor, as
listed on the “Information” page
when:
• If smoke or unusual odor occurs
• Objects have fallen into, or liquid
has been spilled onto the unit; or
• The unit has been exposed to rain
(or otherwise has become wet); or
• The unit does not appear to operate
normally or exhibits a marked
change in performance.
• In households with small children, an
adult should provide supervision until
the child is capable of following all the
rules essential for the safe operation of
the unit.
• DO NOT play a CD-ROM disc on a
conventional audio CD player. The
resulting sound may be of a level that
could cause permanent hearing loss.
Damage to speakers or other system
components may result.
In addition to the items listed under “USING THE UNIT SAFELY” on page 2–3, please read and
observe the following:
Power Supply
307
• Before connecting this unit to other devices, turn off
the power to all units. This will help prevent malfunctions and/or damage to speakers or other devices.
Placement
351
• Using the unit near power amplifiers (or other
equipment containing large power transformers) may
induce hum. To alleviate the problem, change the
orientation of this unit; or move it farther away from
the source of interference.
352a
• This device may interfere with radio and television
reception. Do not use this device in the vicinity of such
receivers.
352b
• Noise may be produced if wireless communications
devices, such as cell phones, are operated in the
vicinity of this unit. Such noise could occur when
receiving or initiating a call, or while conversing.
Should you experience such problems, you should
relocate such wireless devices so they are at a greater
distance from this unit, or switch them off.
354a
• Do not expose the unit to direct sunlight, place it near
devices that radiate heat, leave it inside an enclosed
vehicle, or otherwise subject it to temperature
extremes. Excessive heat can deform or discolor the
unit.
355b
• When moved from one location to another where the
temperature and/or humidity is very different, water
droplets (condensation) may form inside the unit.
Damage or malfunction may result if you attempt to
use the unit in this condition. Therefore, before using
the unit, you must allow it to stand for several hours,
until the condensation has completely evaporated.
Maintenance
401a
• For everyday cleaning wipe the unit with a soft, dry
cloth or one that has been slightly dampened with
water. To remove stubborn dirt, use a cloth impregnated with a mild, non-abrasive detergent. Afterwards, be sure to wipe the unit thoroughly with a soft,
dry cloth.
402
• Never use benzine, thinners, alcohol or solvents of any
kind, to avoid the possibility of discoloration and/or
deformation.
Additional Precautions
553
• Use a reasonable amount of care when using the unit’s
buttons, sliders, or other controls; and when using its
jacks and connectors. Rough handling can lead to
malfunctions.
556
• When connecting / disconnecting all cables, grasp the
connector itself—never pull on the cable. This way you
will avoid causing shorts, or damage to the cable’s
internal elements.
558a
• To avoid disturbing your neighbors, try to keep the
unit’s volume at reasonable levels. You may prefer to
use headphones, so you do not need to be concerned
about those around you (especially when it is late at
night).
559a
• When you need to transport the unit, package it in the
box (including padding) that it came in, if possible.
Otherwise, you will need to use equivalent packaging
materials.
562
• Use a cable from Roland to make the connection. If
using some other make of connection cable, please
note the following precautions.
- Some connection cables contain resistors. Do not
use cables that incorporate resistors for connecting
to this unit. The use of such cables can cause the
sound level to be extremely low, or impossible to
hear. For information on cable specifications,
contact the manufacturer of the cable.
Handling CD-ROMs
801
• Avoid touching or scratching the shiny underside
(encoded surface) of the disc. Damaged or dirty CDROM discs may not be read properly. Keep your discs
clean using a commercially available CD cleaner.
Copyright
851
• Unauthorized recording, distribution, sale, lending,
public performance, broadcasting, or the like, in whole
or in part, of a work (musical composition, video,
broadcast, public performance, or the like) whose
copyright is held by a third party is prohibited by law.
853
• Do not use this unit for purposes that could infringe on
a copyright held by a third party. We assume no
responsibility whatsoever with regard to any infringements of third-party copyrights arising through your
use of this unit.
4
Contents
Features of the UA-20 ............................................................................ 6
Check the contents of the package ...................................................... 8
Names of things and what they do ....................................................... 9
Installing the OS-standard driver........................................................................... 66
Main Specifications .............................................................................. 74
5
Features of the UA-20
Thank you, and congratulations on your choice of the UA-20. The UA-20 is a USB
audio interface that can be connected to your computer by a single USB cable,
allowing you to record and play back audio data in high-quality digital form.
Awesome, high-quality, 24-bit sound
You can use your computer to digitally record and play back unbelievably highquality audio in 24-bit format.
* Your application must support 24-bit audio data.
Mic/guitar input
The high-impedance inputs allow not only mic but also guitar or bass to be
connected directly. RCA phono-type output jacks and a digital output jack (optical)
are also provided.
Direct Monitor function
The Direct Monitor function allows the input signal from each input jack to be
directly monitored in real time from headphones or the analog outputs, without
routing the audio through your computer application. You can also switch the
monitor function on/off from an ASIO 2.0 compatible application.
WDM/ASIO 2.0 drivers included
You can enjoy high performance when using WDM-compatible applications such
as SONAR, and ASIO-compatible applications such as Cubase and Logic. Of course
you can also use the UA-20 with applications that support MMD (Windows) or
SoundManager (Mac OS).
* Roland will provide no guarantee or support regarding operation with sequencer software or
audio editing software made by another manufacturer. Please contact the manufacturer of the
software you are using.
MIDI IN/OUT interface
A set of MIDI IN/OUT connectors is provided for easy connection with MIDI
devices.
6
What is USB?
USB stands for Universal Serial Bus. It is a new interface used to connect various
peripheral devices to a computer.
USB allows more than one peripheral device to be connected via a single USB cable,
and also allows data to be transmitted more rapidly than conventional serial ports.
Peripherals can also be connected or disconnected with the power turned on, and
the computer will automatically recognize the peripheral that has been plugged in.
(Some peripherals may require settings or other operations to be performed.)
Features of the UA-20
204
* Microsoft and Windows are registered trademarks of Microsoft Corporation.
206e
* Screen shots in this documents are reprinted with permission from Microsoft Corporation.
206j
* Windows® is known officially as: “Microsoft® Windows® operating system.”
207
* Apple and Macintosh are registered trademark of Apple Computer, Inc.
209
* MacOS is a trademark of Apple Computer, Inc.
220
* All product names mentioned in this document are trademarks or registered trademarks of their
respective owners.
231
* OMS is a registered trademark of Opcode Systems, Inc.
232
* FreeMIDI is a trademark of Mark of the Unicorn, Inc.
7
Check the contents of the package
●
UA-20
fig.UA-20
●
USB cable
Use this to connect the USB connector of your computer with the USB connector of
the UA-20. For details on connections and driver installation, refer to
Connected and Installing Drivers
* Please use only the included USB cable. If you require a replacement due to loss or damage,
please contact a “EDIROL/Roland Service Center” listed in the “Information” section at the
end of this manual.
(Windows ➝ p. 12 or Macintosh ➝ p. 32).
Getting
●
CD-ROM
This contains the driver required in order to use the UA-20.
●
Owner’s Manual
This is the manual you are reading. Please keep it on hand for reference.
8
Names of things and what they do
fig.04-1
2345
1
9101112
1.
USB indicator
This will light when you use the USB cable to connect the UA-20 to your computer,
and the computer has recognized the UA-20.
2.
USB connector
Audio signals and MIDI signals can be transferred when the UA-20 is connected via
a USB cable to your computer.
3.
MIDI connector
Connect these connectors to a MIDI device (such as a sequencer) to exchange MIDI
messages.
4.
Digital output connector
Connect a coaxial cable here when you want to digitally output an audio signal to
a digital recorder such an MD or DAT.
5.
Master output jacks
These are output jacks for analog audio signals.
6.
Headphone volume
This adjusts the volume that is output from the
to adjust the volume that is output from the
7.
Input volume
This adjusts the volume at which the input signal from
8.
Headphone jack
A set of headphones can be connected here. The
same sound as that of the
Master output jacks
Master output jacks
even when headphones are connected.
Headphone jack
Master output jacks
Input jacks
Headphone jack
. Sound will be output from the
. It is not possible
.
.
will output the
6
7
8
9
Names of things and what they do
9.
ADVANCE (mode select) switch
This switches the driver operation mode.
If you change the setting of this switch, you must close all software, disconnect the
USB cable that connects the UA-20 to your computer, and then re-connect the USB
cable.
On (Advanced mode)
You can use the included UA-20 driver to record, play, and edit audio from your
sequencer software or audio editing software with high quality and stable timing.
Off (Standard Driver mode)
Choose this mode if you are using software that uses the standard audio driver
included with your operating system.
* The MIDI IN/OUT connectors are not available when using Standard driver mode.
For details on these operating modes, refer to
(Windows, p. 12; Macintosh, p. 32).
10.
Input monitor switch
This selects whether or not the signal input to the input jacks will be output to the
headphone jack and the master output jacks.
“About the driver modes”
ON
The input signal from the
the
Headphone jack
Input jacks
and the
will be output to
Master output jacks
Settings or operations in an ASIO 2.0 compatible applica-
AUTO
tion such as Cubase will be able to control the monitoring
setting.
OFF
11.
Input select switch
The input signal from the
to the
Headphone jack
Input jacks
or the
Master output jacks
will not be output
Set this as appropriate for the device that is connected to the input jacks.
LINE
GUITAR
When connecting an audio source or MIDI sound module
via an analog audio connection
When connecting a guitar
When connecting a dynamic mic
MIC
* The miniature mics (condenser mics) included with
some computers or sound cards are not supported.
12.
Input jacks
These are input jacks for analog audio signals. You can connect dynamic mics,
guitars, or audio devices. You must set the
Input select switch
to the position
appropriate for the device you have connected.
If you connect a guitar or mic only to the L jack or R jack, the signal will be
monaural.
.
.
10
Block diagram
fig.04-3
Names of things and what they do
11
Driver installation and settings
(Windows)
If you are using a Macintosh computer, please proceed to
settings (Macintosh)
(p. 32).
About the driver modes
A
“driver”
software running on your computer, when your computer and the UA-20 are
connected by a USB cable. The driver sends data from your application to the UA20, and from the UA-20 to your application.
The UA-20 has two operating modes,
mode
Advanced mode
This is the operating mode when the rear panel
is ON. You can use the native driver included on the UA-20 Driver CD-ROM to
record, play, and edit audio with high quality and stable timing. In Advanced
mode, audio signals are transferred between the UA-20 and the computer at a bit
depth of
using software that supports 24-bit audio, such as the Cakewalk series or Cool Edit;
or
such as Cubase VST or Logic Audio.
Normally, you should use Advanced mode.
(→Installing the driver
* You must use Advanced mode if you want to use MIDI.
Standard driver mode
This is the operating mode when the rear panel
is
OFF
Standard driver mode, audio signals are transferred between the UA-20 and the
computer at a bit depth of
mode if you are using software that uses the standard functionality provided by
Windows, such as software that uses the CD-ROM drive of your computer to play
CD audio, or that uses the software synthesizer included with Windows.
(→Installing the OS-standard driver
* The driver included with Windows does not support ASIO.
* The MID connectors are not available when using Standard driver mode.
is software that transfers data between the UA-20 and application
, and a different driver is used by each mode.
24 bits
and a sample rate of
ASIO-compatible software
. The standard USB audio driver provided by Windows will be used. In
that can record, play, and edit high-quality audio,
(p. 13))
16 bits
and a sampling rate of
Advanced mode
ADVANCE (mode select) switch
44.1 kHz
. Choose Advanced mode if you are
ADVANCE (mode select) switch
(p. 66))
Driver installation and
and
Standard driver
44.1 kHz
. Choose this
12
Installing the driver
The installation procedure will differ depending on your system.
Please proceed to one of the following sections, depending on the system you use.
• Windows XP users..............................(p. 13)
• Windows 2000 users...........................(p. 19)
• Windows Me/98 users.......................(p. 24)
■
Windows XP users
1
Disconnect all USB cables except for a USB keyboard and
USB mouse (if used).
2
Open the System Properties dialog box.
1.
2.
3.
3
Click the
Open the
g.signature
4
In the
Options
make sure that
“Ignore”
If
“Ignore”
simply click
“Ignore”
selected, make a note
of the current setting
(Warn or Block),
change the setting to
“Ignore”
[OK]
Click the Windows
select
Control Panel
In
“Pick a category”
Maintenance”
In
“or pick a Control Panel icon”
icon.
Hardware
Driver Signing Options
Driver Signing
dialog box,
is selected.
is selected,
[OK]
is not
, and click
.
start
.
.
tab, and then click
. If
menu, and from the menu,
, click
“Performance and
, click the
[Driver Signing]
dialog box.
Driver installation and settings (Windows)
You must log on to Windows
with a user name whose
account has administrative
privileges (e.g.,
Administrator).
System
.
Depending on your system,
the System icon may be
displayed directly in the
Control Panel (Classic view).
If so, double-click the System
icon.
If you change the “Driver Signing Options” setting,
change it back to the original
setting after you’ve installed
the driver.
13
Driver installation and settings (Windows)
5
Click
[OK]
to close the
System Properties
dialog box.
6
Close all currently running software (applications).
Also close all windows that are open. If you are using
software such as antivirus programs, be sure to close these
programs as well.
7
Find the included CD-ROM.
Insert the CD-ROM into your computer’s CD-ROM drive.
8
From the Windows
The
“Run”
9
Input the name into the dialog box as shown, and click
fig.win-run
(Drive name): \Driver\XP2k\SETUPINF.EXE
* The drive name is “D:” in the example shown here, but this may be
different on your system. Specify the drive name for your CD-ROM
drive.
start
menu, choose
dialog box will appear.
“Run...”
[OK]
If the screen indicates
“Windows can perform the
same action each time you
insert a disk or connect a
device with this kind of file,”
click [Cancel].
.
Checking the name of your
drive.
From the start menu, choose
My Computer. In the window
that appears, verify the name
of the CD-ROM drive into
which you inserted the CDROM in step 7.
The (D:) or (E:) displayed by
the CD-ROM drive icon is
the drive name.
14
The
SetupInf
You are now ready to install the driver.
10
Set the UA-20’s
position.
dialog box will appear.
ADVANCE (mode select) switch
to the ON
Driver installation and settings (Windows)
11
Use the
USB cable
Near the task bar, your computer will indicate
Hardware”
12
The
Found New Hardware Wizard
Select
“Install from a list or specific location (Advanced)”
and click
13
The screen will indicate
installation options”
Select
and click
14
Make sure that the
20”
If the “What action do you want Windows to take?” (Step 4) setting was not
set to “Ignore”, a “Hardware Installation” dialog box will appear.
[Next]
“Don’t search. I will choose the driver to install”
[Next]
, and click
to connect the
. Please wait.
.
.
.
“Model”
[Next]
. Driver installation will begin.
UA-20
to your
computer
“Found New
will appear.
“Please choose your search and
field indicates
“EDIROL UA-
.
This unit is equipped with a
protection circuit. A brief
interval (a few seconds) after
connecting the USB cable is
required before the unit will
operate normally.
,
If the Found New Hardware Wizard asks you whether you
want to connect to Windows
Update, choose “No” and then
click [Next].
,
A dialog box with a “!” symbol will appear.
1. Click [Continue Anyway].
2. Continue the installation.
A dialog box with a “x” symbol will appear.
1. Click [OK].
2. When the “Found New Hardware Wizard” appears, click [Finish].
3. Return to step 1 (p. 13) and re-install the driver from the beginning of the
procedure.
15
The
Insert Disk
Click
[OK]
dialog box will appear.
.
The Insert Disk dialog may
not appear. In that case,
proceed to the next step.
15
Driver installation and settings (Windows)
16
The
Files Needed
Input the following into the
[OK]
.
(drive name):\DRIVER\USB_XP2K
* Specify the drive name of your CD-ROM drive.
If the “What action do you want Windows to take?” (Step 4) setting was not
set to “Ignore”, a “Hardware Installation” dialog box will appear.
dialog box will appear.
“Copy files from”
A dialog box with a “!” symbol will appear.
1. Click [Continue Anyway].
2. Continue the installation.
17
The screen will indicate
Hardware Wizard”
Click
[Finish]
.
18
When driver installation has been completed, the
Settings Change
Click
[Yes]
. Windows will restart automatically.
If the
System Setting Change
restart Windows from the start menu.
“Completing the Found New
.
dialog box will appear.
dialog box does not appear,
field, and click
System
16
Driver installation and settings (Windows)
If you changed the “Driver Signing Options” setting (p. 13, step 4), restore the
setting to its previous state after restarting Windows.
1. Log on to Windows using the same user account as the one used when the
driver was installed.
2. From the Windows start menu, choose Control Panel.
3. In “Pick a category,” click Performance and Maintenance.
4. In “or Pick a Control Panel icon,” click the System icon. The System
Properties dialog box appears.
* Depending on your system, the System icon may be shown directly in the Control
Panel (Classic view). If so, double-click the System icon.
5. Click the Hardware tab, and then click [Driver Signing]. The Driver
Signing Options dialog box appears.
6. In Driver Signing Options, restore the previous setting (“Warn” or
“Block”) and click [OK].
7. Click [OK]. The System Properties dialog box closes.
Next, you need to set your computer so priority is given to
background services, which will help to assure that audio and
MIDI processing occur smoothly.
(➔
“Giving priority to background services”
(p. 18))
17
Driver installation and settings (Windows)
Giving priority to background services
Crackling may occur in the sound if you omit making this
setting. To ensure that audio and MIDI are processed
smoothly, make the setting as follows.
1
2
3
fig.background
4
Open the
1.
2.
3.
Click the
Click
area.
The
Click the
System Properties
From the Windows
In
“Pick a category,”
Maintenance”
In
“or Pick a Control Panel icon,”
icon.
Advanced
[Settings]
Performance Options
Advanced
.
tab.
located at the right of the
tab.
dialog box.
start
menu, choose
click
dialog box appears.
“Performance and
Control Panel
click the
System
Performance
Depending on your system,
the System icon may be
.
displayed directly in the
Control Panel (Classic view).
If so, double-click the System
icon.
18
5
In
Processor Scheduling
choose
“Background
services,”
6
In the
System Properties
Next, you need to make audio device and MIDI device
settings. (➔“Driver settings”
and click
System Properties
,
[OK]
.
dialog box, click
dialog box closes.
(p. 26))
[OK]
. The
■
Windows 2000 users
1
Disconnect all USB cables except for a USB keyboard and
USB mouse (if used).
2
Open the
Click the Windows
appears, select
double-click the
fig.signature-2k
3
Click the
and then click
Signing]
The
Options
appear.
System Properties
Settings | Control Panel
System
Hardware
[Driver
.
Driver Signing
dialog box will
dialog box.
Start
menu, and from the menu that
icon.
tab,
. In
Control Panel
Driver installation and settings (Windows)
Log on to Windows as a user
with administrative privileges
(such as Administrator)
,
fig.05-3e_30
4
Make sure that
signature
verification”
“Ignore”
If it is set to
simply click
If it is not set to
“Ignore”, make a note
of the current setting
(“Warn” or “Block”).
Then change the setting
to
“Ignore”
[OK]
.
5
Click
[OK]
“File
is set to
.
“Ignore”
[OK]
.
and click
to close the
,
System Properties
If you changed “File
signature verification”, you
must restore the previous
setting after you have installed
the driver.
dialog box.
19
Driver installation and settings (Windows)
6
Exit all currently running software (applications).
Also close any open windows. If you are using virus checking
or similar software, be sure to exit it as well.
7
Prepare the CD-ROM.
Insert the CD-ROM into the CD-ROM drive of your
computer.
8
Click the Windows
select
“Run...”
The
“Run...”
9
In the dialog box that appears, input the following into the
“Open”
field, and click
fig.05-5_30
Start
menu. From the menu that appears,
dialog box will appear.
[OK]
To check the drive name
In the Windows desktop,
double-click the My Computer
icon. In the window that
appears, check the drive name
.
of the CD-ROM drive into
which you inserted the CDROM in step7.
The drive name is the (D:) or
(E:) displayed by the CD-ROM
drive .
20
(drive name) : \Driver\XP2k\SETUPINF.EXE
* In the explanatory example shown here, the drive name is given as
“D:”. The drive name
Specify the drive name of your CD-ROM drive.
The
SetupInf
You are now ready to install the driver.
10
Set the UA-20’s
position.
11
Use the
USB cable
“D:”
may be different for your system.
dialog box will appear.
ADVANCE (mode select) switch
to connect the
UA-20
to your
to the ON
computer
This unit is equipped with a
protection circuit. A brief
interval (a few seconds) after
connecting the USB cable is
required before the unit will
operate normally.
.
Driver installation and settings (Windows)
If the “File signature verification” (Step 4) setting was not set to “Ignore”, a
“Digital Signature Not Found” dialog box will appear.
If “File signature verification” is set to “Warn”
1. Click [Yes].
2. Continue the installation.
If “File signature verification” is set to “Block”
1. Click [OK].
2. When the “Found New Hardware Wizard” appears,
click [Finish].
3. Return to step 1 (p. 19) and re-install the driver from the beginning of the
procedure.
12
The
Insert Disk
Click
[OK]
13
The
Files Needed
Input the following into the
[OK]
.
(drive name) : \DRIVER\XP_2k
* Specify the drive name of your CD-ROM drive.
dialog box will appear.
.
dialog box will appear.
“Copy files from”
field, and click
If the Insert Disk dialog box
does not appear, proceed to
the next step.
If the “File signature verification” (Step 4) setting was not set to “Ignore,” a
“Digital Signature Not Found” dialog box will appear.
If “File signature verification” is set to “Warn”
1. Click [Yes].
2. Continue the installation.
14
The screen will indicate
Hardware Wizard”
Click
[Finish]
15
The
System Settings Change
Click
[Yes]
.
. Windows will restart automatically.
“Completing the Found New
.
dialog box will appear.
21
Driver installation and settings (Windows)
If you changed the “File signature verification” (p. 19) setting, restore the original
setting after Windows restarts.
1. After Windows restarts, log in to Windows as a user with administrative
privileges, (such as Administrator).
2. In the Windows desktop, right-click the My Computer icon, and from the
menu that appears, select Properties. The System Properties dialog box will
appear.
3. Click the Hardware tab, and then click [Driver Signing]. The Driver Signing
Options dialog box will appear.
4. Return the “File signature verification” setting to the original setting (either
“Warn” or “Block”), and click [OK].
5. Click [OK]. The System Properties dialog box will close.
This completes installation of the driver.
Next, we recommend that you enable background processing
on your computer, so MIDI and audio processing will be as
smooth as possible.
(➔
“Enabling background processing”
(p. 23))
22
Enabling background processing
In Windows 2000, make settings to enable background
processing. If you fail to make this setting, you may
experience interruptions in the sound. To ensure that MIDI
and audio processing occurs smoothly, use the following
procedure to make settings.
1
Click the Windows
appears, select
double-click the
2
Click the
3
At the right of the
Options]
The
fig.back2000
4
Performance Options
In the
Application
response
“Background services”
and click
Advanced
.
field, choose
[OK]
Start
menu, and from the menu that
Settings | Control Panel
System
icon.
tab.
Performance
.
field, click
dialog box will appear.
. In
Driver installation and settings (Windows)
Control Panel
[Performance
,
5
Click
[OK]
to close the
Next, make MIDI device and audio device settings.
(➝“Driver settings”
System Properties
(p. 26))
dialog box.
23
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