D01087920A
US-122@#
USB 2.0 Audio/MIDI Interface
OWNER'S MANUAL
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IMPORTANT SAFETY PRECAUTIONS
1
2
3
4
5
6
7
Read these instructions.
• Do not expose this apparatus to drips or
splashes.
Keep these instructions.
Heed all warnings.
• Do not place any objects filled with liquids,
such as vases, on the apparatus.
Follow all instructions.
• Do not install this apparatus in a confined
space such as a book case or similar unit.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings.
Install in accordance with the manufac-
turer's instructions.
8
Do not install near any heat sources such
as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that pro-
duce heat.
9
Only use attachments/accessories speci-
fied by the manufacturer.
10 Use only with the cart, stand, tripod, brack-
et, or table specified by the manufacturer,
or sold with the apparatus. When a cart is
used, use caution when moving the cart/
apparatus combination to avoid injury from
tip-over.
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Contents
Windows Vista and Windows Media
Player.................................................... 23
4 TASCAM US-122MKII
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1 – Introduction
Thank you for your purchase of the
TASCAM US-122MKII USB 2.0 Audio/
MIDI Interface.
Features
• 24-bit/96 kHz audio interface.
Please read this owner’s manual carefully
before you begin using the US-122MKII,
and use the product correctly as directed
in order to ensure long and trouble-free
enjoyment of all its functionality.
• 2-channel analog input signals (L, R) can
be input at the same time and recorded
simultaneously into your computer via
USB.
• Two XLR mic inputs (balanced) and
two 1/4” phone mic inputs (balanced/
unbalanced) are provided. One of the 1/4”
phone inputs can be switched to allow
direct input of an electric guitar or electric
bass (R channel only).
After you have read this manual, keep it
nearby for reference when required.
You can also download the Owner's
Manual from the supplied CD-ROM or the
com).
• Unbalanced stereo line output (RCA
connector) and headphone output.
We can accept no responsibility for any loss
of the data you record using this product
onto other MIDI equipment in your system
or onto storage devices such as hard disk.
• MIDI IN/OUT.
• Direct Monitor function allows zero-
latency monitoring of the input.
• Power is supplied by the USB connector.
Overview
A note about computer operation
The US-122MKII is a USB-based audio/
MIDI interface designed for use with Digital
Audio Workstation (DAW) software. It
provides a two-input, two-output 24-bit 96
kHz audio interface and a 16-channel MIDI
interface.
If you are unsure about how to perform
basic computer operations appearing in this
manual, please refer to the owner’s manual
that came with your computer.
Because the US-122MKII is USB-based,
it is the ideal companion to any desktop or
laptop-based digital recording setup. And
since the US-122MKII operates using only
USB power, you can use it with a laptop
computer to create a very compact and
portable digital audio workstation system.
What is in the package
The US-122MKII package contains the
following items.
Take care when opening the package not
to damage the items. Keep the package
materials for transportation in the future.
The US-122MKII is also an ideal way to
capture analog sources such as records
or cassette tapes into your computer and
preserve them as audio CDs.
Please contact the store where you purchased
this unit if any of these items are missing or
have been damaged during transportation.
• US-122MKII main unit
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1 – Introduction
CAUTION
• USB cable
Instructions that should be followed to
avoid injury, damage to the unit or other
equipment, and loss of data.
• CD-ROM (containing driver and manuals)
• DVD-ROM (Cubase LE4)
• Cubase LE4 Quick Start Guide
• Warranty card
Trademarks
• TASCAM is a registered trademark of
TEAC Corporation.
• Owner’s manual (this document)
• Microsoft, Windows, Windows XP, and
Windows Vista are either registered
trademarks or trademarks of Microsoft
Corporation in the United States and/or
other countries.
Conventions used in this
manual
The following conventions are used in this
manual:
• Apple, Macintosh, Mac OS and Mac OS
X are trademarks of Apple Inc., registered
in the U.S. and other countries.
• Front panel keys, knobs, and indicators,
and rear panel connectors are designated
in all-capital letters.
• Pentium and Intel are trademarks of
Intel Corporation in the U.S. and other
countries.
Example: LINE IN jacks
•
•
is used to designate
This typeface
messages displayed by the software.
• AMD Athlon is a trademark of Advanced
Micro Devices, Inc.
Example:
Control Surface Protocol
is used to designate
This typeface
• Cubase is a registered trademark of
Steinberg Media Technologies GmbH.
ASIO is a trademark of Steinberg Media
Technologies GmbH.
software menu functions and on-screen
controllers.
Example:
ASIO Device
• Other company names, product names and
logos in this document are the trademarks
or registered trademarks of their respective
owners.
• Additional information is introduced in
the styles below when needed:
TIP
Useful hints when using the unit.
Precautions and notes for
placement and use
NOTE
Explanation of actions in special situation
and supplement.
• Do not place any object on the unit for
heat dissipation.
• Avoid installing this unit on top of any
heat-generating electrical device such as a
power amplifier.
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1 – Introduction
Beware of condensation
If the unit is moved from a cold to a warm
place, or used after a sudden temperature
change, there is a danger of condensation;
vapor in the air could condense on the
internal mechanism, making correct
operation impossible. To prevent this, or if
this occurs, let the unit sit for one or two
hours at the new room temperature before
using.
Cleaning the unit
To clean the unit, wipe gently with a soft dry
cloth. Do not wipe with chemical cleaning
cloths, benzene, paint thinner, ethyl alcohol
or other chemical agents to clean the unit as
they could damage the surface.
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2 – Parts of the US-122MKII
Top panel
MIDI IN indicator Lights when MIDI
MIDI OUT indicator Lights when MIDI
1
2
data is being received at the MIDI IN
data is being transmitted from the MIDI
connector.
OUT connector.
USB indicator Lights to indicate a valid
USB connection to the host computer.
3
NOTE
A device that transmits the MIDI Active
Sense message will cause this indicator to
blink constantly.
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2 – Parts of the US-122MKII
MON MIX balance knob Controls
SIG/OL indicators Light when signals
4
0
the balance of the signal sources being
output from the LINE OUT jacks and the
PHONES jack. When this knob is turned to
the INPUT side, the signal being input to the
US-122MKII (from the MIC IN jacks, or
1/4” LINE IN jacks) will be output. When this
knob is turned to the COMPUTER side, the
output signal received from the computer via
USB will be output.
are being input to the input channels (L, R).
They will light green to indicate a signal
is present, and will light red immediately
before distortion occurs.
These indicators will light green when the
maximum level is between -30 dB and -2
dB. The indicators will light red when the
maximum level is within -2 dB.
PHANTOM switch/indicator Turns
on the +48V phantom power supplied to the
MIC IN jacks.
q
MONO switch Turn this switch ON
5
if you want to monitor in monaural. This
switch affects only the MIC/LINE input
signal.
The indicator lights when the PHANTOM
switch is ON.
INPUT L knob Adjust the level of the
6
audio signal being input to the MIC IN L
jacks and LINE IN L jacks.
CAUTION
• Use the PHONES/LINE OUT knob to
minimize the volume before turning the
PHANTOM switch ON or OFF. Depending
on the mic, loud noises might be
produced and damage could be caused
to equipment or to people’s hearing.
PHONES/LINE OUT level knob
Controls the output level of the LINE OUT
jacks and the PHONES jack.
7
CAUTION
Use the PHONES/LINE OUT knob to
• Microphones should not be connected
to or disconnected from the US-122MKII
with phantom power switched on.
minimize the volume before connecting
headphones. Failure to do so could cause
a sudden burst of loud noise, which might
result in hearing damage, for example.
• Turn this switch on only if you are using
condenser microphones that require
phantom power.
INPUT R knob Adjust the level of the
8
audio signal being input to the MIC IN R
jacks and LINE IN R jacks.
• Unbalanced dynamic microphones
should never be connected to phantom-
powered connectors.
MIC/LINE-GUITAR select switch Set
9
this switch as appropriate for the input source
you have connected to the LINE/GUITAR
IN R jack. Use the GUITAR position if you
have directly connected an electric guitar
or electric bass. Use the MIC/LINE position
if you have connected an electronic musical
instrument, audio device, or mic.
• Please note that if you are operating
the unit with a battery-powered
laptop computer, the battery life of
the computer will be reduced if the
PHANTOM switch is on.
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2 – Parts of the US-122MKII
Front panel
MIC IN (L, R) jacks (XLR balanced)
LINE IN R/GUITAR IN jack (TRS 1/4”
w
t
These are analog mic input jacks. The wiring
is as follows: pin 1 = ground, pin 2 = hot, pin
3 = cold.
phone jacks) These are balanced line input
jacks. This also accommodates guitar input.
If the top panel MIC/LINE-GUITAR select
switch is in the GUITAR position, this
operates as an unbalanced input jack for
guitar. If the MIC/LINE-GUITAR select switch
is in the MIC/LINE position, this operates as
a balanced input jack. (Sleeve = ground, tip
= hot, ring = cold)
LINE IN L jack (TRS 1/4” phone jack)
e
These are balanced line input jacks.
PHONES jack (stereo 1/4” phone) This
r
is a headphone output jack.
CAUTION
Use the PHONES/LINE OUT knob to
minimize the volume before connecting
headphones. Failure to do so could cause
a sudden burst of loud noise, which might
result in hearing damage, for example.
NOTE
The headphone output level and the line
output level are both adjusted using the
combined PHONES/LINE OUT level knob.
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2 – Parts of the US-122MKII
Rear panel
USB connector Use the provided USB
MIDI OUT connector Transmits MIDI
y
u
cable to connect this to the host computer’s
messages.
USB 2.0 port.
MIDI IN connector Receives MIDI
i
CAUTION
messages.
• If the US-122MKII is operating
with a USB 1.1 (USB 2.0 Full Speed)
connection, the sample rate choices
will be limited to 44.1 kHz and 48 kHz.
LINE OUT L/R jacks (RCA connector,
unbalanced) These are analog stereo output
jacks.
o
NOTE
• The US-122MKII obtains power from the
host computer via the USB cable. In rare
cases, a computer’s USB port may not be
able to supply enough power to operate
the US-122MKII. If this occurs, consider
purchasing a USB 2.0 hub that comes
with its own external power supply.
The line output level and the headphone
output level are both adjusted using the
combined PHONES/LINE OUT level knob.
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3 – Installation
Mac OS X
System requirements
Supported operating system:
See the TASCAM website for updated
information about OS compatibility.
Mac OS X 10.4.11
Mac OS X 10.5.6
or later
Windows
Supported operating system:
Supported computer system:
Windows XP 32-bit SP2/SP3
Windows XP 64-bit SP2
Windows Vista 32-bit SP2
Windows Vista 64-bit SP2
or later
Apple Macintosh series equipped with a
USB port as standard equipment
• CPU/clock:
Power PC G4 1 GHz or faster, or Intel
processor
Supported computer system:
• Memory:
512 MB or more
Windows compatible computer with a USB
port (USB 2.0 is recommended)
• CPU/clock:
Installing the driver
Pentium 4 1.4 GHz or faster
AMD Athlon 1.4 GHz or faster
(or equivalent processor)
In order to use the US-122MKII, you must
install the appropriate driver into your
computer. As described below, this is an
easy process using the CD-ROM included
with the US-122MKII.
• Memory:
512 MB or more for Windows XP 32-bit
and Windows Vista 32-bit
Driver are updated from time to time. You
can download the most recent version of the
driver from the TASCAM website <http://
1 GB or more for Windows XP 64-bit and
Windows Vista 64-bit
NOTE
Do not connect the US-122MKII to your
computer before you have installed the driver.
Although this product has been checked for
use with typical computers that meet the
above operating requirements, we cannot
guarantee that it will operate with all
computers that meet these requirements.
Please be aware that even under the same
conditions, processing capability may vary
depending on differences of the design
and system.
CAUTION
• Handle the enclosed CD-ROM with care.
If the disc becomes scratched or dirty,
your computer may be unable to read it
and the software cannot be installed. If
the disc becomes unreadable, a fee will
be charged for its replacement.
• Never attempt to play the enclosed CD-
ROM in a conventional audio CD player,
as the resulting noise may damage your
speakers or your hearing.
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3 – Installation
5 Click the “
” button
Install the driver
Installing the driver for Windows
when the screen below appears.
NOTE
• During driver installation, a warning that
“this software ... has not passed Windows
Logo testing“ will appear. If this message
appears, click Continue to proceed with
the installation.
• During installation, you must connect,
disconnect and reconnect the unit in
steps 7, 8 and 9. You should complete
each of these installation steps in less
than one minute. Installation may fail if
you take too much time.
6 Read the contents of the License
Agreement, and select “
I accept the
” if you agree to the terms.
agreement
Next, click the “ ” button to start
Install
1 Confirm that the unit and the PC are
not connected by the USB cable.
installation.
2 Insert the included driver installation
CD-ROM into the PC where you will
install it.
3 Click the “ ” button when
Install Driver
the screen below appears. (If this sreen
does not appear automatically, find
and open the “
” program
Autorun2.exe
on the driver CD-ROM.)
7 When the screen below appears, use
the supplied USB cable to connect the
unit to the PC.
4 When the language selection screen
(below) appears, select the language
you prefer and then click the “
button.
”
OK
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3 – Installation
8 When the screen below appears, unplug
the connecting USB cable from the unit
or the PC.
11 When the screen below appears, the
installation is complete. Click the
“
” button to restart the PC
Reboot now
to use the driver.
9 When the screen below appears once
more, reconnect the unit and the PC
with the USB cable.
11 After the PC has restarted, open the
TASCAM US-122 MKII / US-144 MKII
(
) or
Start > Control Panel
US-122 MKII
(
& US-144 MKII Control Panel Start
). If the
> All Programs > TASCAM
Driver Version, Device and other data
appear correctly, the installation has
succeeded.
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3 – Installation
• Using Windows “Add or Remove
Installing the driver for Mac OS X
1 Confirm that the US-122MKII is not
Programs”
connected to the computer.
1 Open the “ ” from the
Control Panel
“
” menu.
Start
2 Double-click the "
US-122MKII_US-
" on the included
TASCAM_US-
144MKII_1.14.dmg
CD-ROM. The "
2 Double click on “
Add or Remove
”.
programs
" is
122MKII_US-144MKII_1.14.mpkg
3 Select “
”
US-122 MKII / US-144 MKII
created on the desktop.
from the list and click “
Change or
”.
Remove Programs
3 Dboule-click the "
TASCAM_US-
" on
122MKII_US-144MKII_1.14mpkg
4 Follow the instructions on the screen
for the remaining procedure.
the desktop to launch the installer.
4 Follow the instructions on the screen to
conduct the installation.
Mac OS X
5 Restart the computer and then connect
the unit.
1 Insert the CD-ROM into the PC and
double click “
”
TASCAM US1xx remover
icon.
Uninstalling the driver
Windows
There are two ways to uninstall the driver as
shown below.
• Using the Installation CD-ROM:
2 Follow the instructions on the screen
for the remaining procedure.
1 Follow steps 1 to 4 under “Installing
the driver for Windows” (See page 13.)
Frequently asked installation
questions and answers (FAQ)
2 At step 5 of the procedure, click
“
”.
Remove the driver
Windows driver installation
Q: When I connect the unit to a computer,
the Windows “Hardware Wizard”
appears and I cannot install the
driver. Am I making a mistake in the
installation procedures?
A: Close the Windows “Hardware Wizard”
and disconnect the unit. You must install
the driver before connecting this unit.
Insert the CD-ROM included with the
product. The menu for installing the
driver appears automatically.
3 Follow the instructions on the screen
for the remaining procedure.
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3 – Installation
Select “
,” and follow the
Install Driver
Installing Cubase LE4
instructions shown on the screen. If you
have downloaded the driver from the
com), expand the ZIP archive, launch
For details see the Cubase LE4 Quick Start
Guide.
the “ ” file, and follow the
setup.exe
instructions on the screen.
Q: I loaded the installation CD-ROM into
a Windows computer, but the driver
installation menu does not appear. How
can I access this menu?
A: The automatic playback settings for the
disc drive might be disabled.
Open the supplied driver CD-ROM
using Windows Explorer, and double-
click the “ ” file to
Autorun2.exe
manually open the installation menu.
Settings on your computer
Here are a few basic points to help you set
up your computer for best performance with
audio applications.
• Do not run other applications. You
will probably use your computer for
applications other than audio, but we
recommend that you avoid running
other applications at the same time you
are running audio programs. Processing
digital audio places a considerable load on
your computer.
This means that if you are running other
applications (especially graphics or
Internet tools) at the same time as your
audio application, the processing may not
happen fast enough.
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4 – US-122MKII Control panel settings
Overview
Control panel settings
The
lets you make various
Control Panel
Audio Performance
settings for the US-122MKII’s functionality.
The US-122MKII driver temporarily stores
input and output audio sample in buffers.
The size of these buffers can be adjusted.
A smaller buffer size will reduce the delay
when monitoring the audio signal, but
will require your computer to perform the
processing faster. If the processing does not
occur in time (e.g., if other system operations
are occurring), you may hear clicks, pops,
or dropouts in the audio signal. A larger
buffer size provides more safety against such
problems caused by other system activities,
but will produce greater delay when
On Windows XP and Windows Vista, the
US-122MKII & US-144MKII Control Panel
shortcut can be found in the Windows
Start
>
or the
>
menu Control Panel
Start menu
.
All Programs > TASCAM
On Mac OS X, the
US-122MKII & US-
is located in the
144MKII Control Panel
Applications folder. Other useful audio and
MIDI settings for Mac OS X can be found in
.
Applications/Utilities/Audio MIDI Setup
monitoring the audio signal. You should
select the buffer size that works best for your
system.
On the Windows version of the US-122MKII
Control Panel, the
Audio Performance
setting permits you to adjust the buffer size
that will be used by all audio applications.
The
setting is the minimum
lowest latency
buffer size, and the
highest latency
the maximum buffer size.
setting is
The
is divided into the
Control Panel
following two sections.
On Mac OS X, the buffer size is determined
by each audio application. Consequently,
Status section
there is no
setting on
Audio Performance
This shows the current status of the driver
and the connected hardware.
the Mac OS X version of the US-122MKII
Control Panel. Some applications select
the buffer size automatically while others
permit the user to select the buffer size.
Please consult your audio application’s
documentation for details.
You cannot edit the settings from this
section.
Setting section
You can edit the various settings of the
driver.
NOTE
The Mac OS X US-122MKII control panel has
no settings.
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5 – Connections
NOTE
The US-122MKII has two input channels ( ,
USB connections
L
), with a
LINE/GUITAR IN
provided for each channel. Do not connect
signals to both of these analog input jacks
at the same time. If both are connected,
the signal will not be correctly input to the
US-122MKII.
jack (XLR) ,
and
R
MIC IN
jack (1/4” phone jack)
LINE IN
Using the included USB cable, connect the
US-122MKII to your computer as shown in
the illustration.
Mic
Connect your mics to the MIC IN (L, R) jacks
(XLR). If you are using a condenser mic
that requires phantom power, turn on the
PHANTOM switch.
Computer
USB
NOTE
Some USB devices access the USB bus
frequently. To avoid dropouts and clicks in
the audio signal, we strongly recommend
that you do not connect other USB devices
to the USB bus used by the US-122MKII.
USB keyboards and mice are exceptions to
this, and will probably not cause problems.
Audio connections
Connect the output signal of your mic,
guitar, keyboard, or other audio device to
the US-122MKII, where it will be converted
into digital audio and sent via USB to
your computer. Connect the output of the
US-122MKII to your speakers (via an
amp) or headphones, so you will be able to
monitor the audio signals coming into the
US-122MKII or being produced by your
computer.
The balance between the input signal from
the mic and guitar and the output signal
from the computer should be adjusted by the
MON MIX knob.
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5 – Connections
CAUTION
• Connecting a dynamic mic with an
unbalanced connection could damage it
if the PHANTOM switch is ON.
• Do not connect or disconnect mics when
the PHANTOM switch is ON. Doing so
could cause loud noise or damage the
equipment.
• Use the PHONES/LINE OUT knob to
minimize the volume before turning the
phantom switch ON or OFF. Depending
on the mic, loud noises might be
produced and damage could be caused
to equipment or to people’s hearing.
NOTE
Keyboard/drum machine/sound
module/cassette deck/MD/CD etc.
(analog connection)
Connect the analog audio output of these
devices to the LINE IN L or LINE/GUITAR IN
R jacks (1/4” phone jack) on the front panel.
If you use the R-channel, set the MIC/LINE-
GUITAR switch on the top panel to MIC/
LINE.
• When the PHANTOM switch is ON the
PHANTOM indicator lights on the top
panel.
• The pin configuration of the unit's XLR
connector is:
Pin 1 = Ground
Pin 2 = Hot
Pin 3 = Cold
Guitar
Connect your guitar to the R-channel LINE/
GUITAR IN jack (1/4” phone jack) on the
front panel and set the MIC/LINE-GUITAR
switch on the top pannel to GUITAR.
Keyboard/
drum machine/
sound module/
cassette deck/
OUT
MD/CD or similar
device
Guitar
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5 – Connections
Monitor speakers
Connect monitor speakers (powered
speakers or an amplifier and speakers) to the
LINE OUT jacks on the rear panel.
Analog record player
Powered speakers,
or amp and speakers
The output of an analog record player
cannot be connected directly to the
US-122MKII. You must connect a phono
amp between your analog record player and
the US-122MKII. (Alternatively, you can
connect it via an audio amp that has PHONO
inputs.)
Headphones
Connect headphones to the PHONES jack
(standard stereo phone jack) on the front
panel.
OUT
Phono amp or
amp with PHONO input
Headphones
Analog record
player
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5 – Connections
MIDI connections
Connect your sound module, keyboard/
synthesizer, drum machine, or other MIDI
device to the US-122MKII as shown below.
USB
Computer
MIDI IN
MIDI OUT
Sequencer/
drum machine etc.
CAUTION
USB
• The MIDI IN indicator and USB indicator
sometimes stay lit even after the
connected computer has been shut
down. This is because some computers
continue to provide power through
the USB cable even when they are shut
down.
Computer
MIDI OUT
MIDI IN
Keyboard/
synthesizer etc.
Sound module etc.
Analog output
Analog
output
External Mixer
• When the MIDI IN jack is receiving any
kind of MIDI data, the MIDI IN indicator
lights. If a device that sends MIDI
If you want to monitor the sound of a sound
module, keyboard/synthesizer or drum
machine, connect the output of that device to
this unit’s LINE IN. Alternatively, to monitor
using an external mixer, connect the outputs
of that device and the LINE OUT jacks of
this unit to the external mixer inputs.
Active Sensing messages is connected,
this indicator will continuously blink.
To avoid this, disable the MIDI Active
Sensing on the connected device.
• When using Windows Media Player,
if the MIDI music playback output
destination (default device) is set to
“Microsoft GS Wavetable SW Synth” in
the “Sounds and Audio Devices” part of
the “Control Panel,” you can listen to
MIDI performances through this unit’s
LINE OUT and PHONES output.
NOTE
MIDI connections do not transmit audio.
They only carry instructions about what
and when to play, so you must also connect
the audio output jacks of a device to hear
it.
You can use the MIDI IN/MIDI OUT
connectors on the rear panel to transmit
and receive MTC (MIDI Time Code). This
allows the MTC-compatible DAW (Digital
Audio Workstation) computer application to
synchronize with your MIDI equipment.
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6 – Application Guide
In this chapter, we explain how to set some
audio applications for use with this unit.
4 Click “OK.”
5 Start Windows Media Player, select an
audio file and begin playback.
Windows XP and Windows
Media Player
NOTE
• If you change the setting while Windows
Media Player is running, the software
will not recognize that the device has
been changed. In this case, restart
Windows Media Player.
1 Close all applications and then open
the “
” from the “
”
Control Panel
Start
menu.
2 Open “
” or
Sounds and Audio Devices
•
If you still cannot hear sound after
making the settings and completing the
procedures above, restart the computer.
“
.”
Sounds and Multimedia
NOTE
• If you make this setting, sound will
be output through this unit, but no
sound will be output by the computer’s
speakers or headphone jack.
If you do not see either of the items above,
click “Sounds, Speech, and Audio Devices”
and one will appear.
3 Click the “ ” tab, and set the
Audio
“
” for “
”
Default device:
Sound playback
to “
.”
TASCAM US-122MKII
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6 – Application Guide
NOTE
Windows Vista and Windows
Media Player
• If you change the setting while Windows
Media Player is running, the software
will not recognize that the device has
been changed. In this case, restart
Windows Media Player.
1 Close all applications and then open
the “
” from the “ ”
Start
Control Panel
menu.
• If you still cannot hear sound after
making the settings and completing the
procedures above, restart the computer.
2 Open “
.”
Sound
NOTE
• If you make this setting, sound will
be output through this unit, but no
sound will be output by the computer’s
speakers or headphone jack.
If the above item does not appear, click
“Hardware and Sound” and it will appear.
3 Click the “
” tab, click
” and click the
Playback
“
“
Speakers US-122MK2
” button. This moves the
Set Default
green check mark to “
Speakers US-
.”
122MK2
4 Click “ .”
OK
5 Start Windows Media Player, select an
audio file and begin playback.
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6 – Application Guide
Mac OS X and iTunes
1 Open “
System Preferences…
” from the
Apple menu.
Cubase LE4
See the included Cubase LE4 Quick Start
Guide for information about making settings
in this software.
2 Click “
Sound
” in the “
System
” window.
Preferences
3 Click the “
” tab, and select “
Output
US-
” under “
122MKII: Output
Choose a
.”
device for sound output
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7 – MIDI Implementation Chart
Function
Transmitted
Received
Remarks
Basic Channel
At power ON
X
X
Through
Changed
At power ON
X
X
X
X
Mode
Through
Messages
Altered
X
X
X
X
*************
Note
X
*************
X
Through
Through
Through
Number
Range
Note ON
Velocity
Note OFF
Polyphonic
X
X
X
X
After Touch
Channel
X
X
X
X
X
X
X
Pitch Bender
Control Change
Program Change
Through
Through
Through
X
*************
X
Range #
System Exclusive
System Common
X
Through
Through
:Song Pos
:Song Sel
X
X
X
X
:Tune
X
X
X
X
System
:Clock
Through
Through
Real Time
:Commands
:Local on/off
X
X
X
X
Other
:All note off
:Active sensing
:Reset
X
X
X
X
X
X
Notes
Mode 1: Omni on, Poly
Mode 3: Omni off, Poly
Mode 2: Omni on, Mono
Mode 4: Omni off, Mono
O: Yes
X: No
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8 – Troubleshooting
Please read this chapter if you are unable to
use the unit properly even after setting it up
following the procedures in this manual.
NOTE
• Try again after disconnecting other USB
devices. (Keyboards and mice can be left
connected.)
If you are still unable to resolve your
problems please contact TASCAM customer
support with the following information
about the operating environment and details
about the trouble.
• Do not use a USB hub. Always connect
the unit directly to a USB port on the
computer (built-in).
3) Stop other software that is running in the
background
Operating environment
• Computer manufacturer:
• Model:
Since antivirus software and other
software that runs in the background
can interfere with installation, stop them
before beginning installation.
• CPU:
See page 12 of this manual for how to install
and uninstall the driver.
• Installed memory:
• OS:
• There is no sound even when audio is
playing back.
• DAW:
The audio output must be set on the
computer.
• Antivirus software use:
• Wireless LAN use:
Please confirm the following while the unit
is connected to the computer.
• Installation is failing.
Installation completed, but the
computer does not recognize it.
If you make the following settings, sound
will be output through this unit, but no sound
will be output by the computer’s speakers or
headphone jack.
If some trouble is causing installation to fail,
or installation completes but the computer
does not recognize the unit, check the
following.
Windows XP
1 Shut down all applications, and open
1) Is the unit’s USB indicator lit green?
If the USB indicator is not lit, confirm
that the USB cable is properly connected.
the “
” from the “ ”
Start
Control Panel
menu.
2 Open “
”
Sounds and Audio Devices
NOTE
NOTE
Always use the included USB cable.
If you cannot find the above item, click
“Sounds, Speech, and Audio Devices” and
it will appear.
2) Change the USB port
Since the unit may not properly function
with some USB ports, try connecting to a
different (built-in) USB port, and reinstall
the driver.
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8 – Troubleshooting
3 Click the Audio tab, and set the
• The sound breaks up or there is noise.
“
” for “
”
Default device: Sound playback
The load on the computer causes sound to
break up and noise to occur.
and “
US-122MKII
” to “
TASCAM
Sound recording
.”
Methods to reduce the load on the computer
are introduced below.
Windows Vista
1 Shut down all applications, and open
the “ ” from the “
1) If a wireless LAN, antivirus software and
other software that run in the background
are operating, they regularly put burdens
on the computer, which can cause sound
to break up and noise.
”
Start
Control Panel
menu.
2 Open “
.”
Sound
NOTE
Stop wireless LAN transmission,
antivirus software and other software
running in the background when using
this unit.
If the above item does not appear, click
“Hardware and Sound” and it will appear.
3 Click the “
” tab, click
” and click the
Playback
“
“
Speakers US-122MK2
” button.
2) Set the buffer size in the DAW software
that you are using to a larger value.
Set Default
Mac OS X
1 Shut down all applications and open
.”
NOTE
• Consult the maker of your DAW software
for methods to reduce its burden on
your computer.
“
System Preferences
2 Open “ .”
Sound
3 From the output tab, select “
US-
• If you are not using a DAW, try setting
the “Audio Performance” sitting in the
driver for this unit to “High Latency.”
.”
122MKII output
After completing the settings, restart the
computer and check the playback sound.
3) Change the settings of your computer
so that they are optimal for audio
processing.
Depending on the application you are using,
it might also be necessary to make other
device settings in addition to those above.
Windows XP
In particular, since DAW software operates
using audio engines that are different from
the OS settings, confirm the DAW driver
settings first after installing the driver for
this unit.
1 Right-click “
” and select
My Computer
“
.”
Properties
2 Click the “
” tab.
Advanced
3 Click “ ” in the “ ”
Settings Performance
section.
Please see the manual for the application that
you are using for detailed setting procedures.
4 On the “
”
Performance Option
screen, select the “
” option.
Performance
Adjust for Best
For the bundled Cubase LE4 software, see
the manual on the included CD-ROM.
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8 – Troubleshooting
Windows Vista
NOTE
Depending on the Mac OS version and
model this setting might not be available.
a) Turn Aero off.
1 Right-click the desktop and select
• Questions related to Cubase LE4
“
” to open the “
Personalize
Personalize
Since Cubase LE4 is a product provided by
Steinberg Media Technologies GmbH, it is
not supported by TASCAM.
” screen.
appearance and sounds
2 Choose “
Window Color and
” and then click “
Appearance Open
Please use the Cubase LE4 Help menu (and
access the PDF manuals) for information
about how to use this software.
classic appearance properties for more
.”
options
3 Select “ ” or any
Windows Vista Basic
option other than “
.”
Windows Aero
b) Performance settings
1 Right-click “
,” select
Computer
“
,” and then click “
Properties
Advanced
.”
system settings
2 Click the “ ” tab.
Advanced
3 Click “ ” in the “ ”
Settings Performance
section.
4 On the “
”
Performance Option
screen, select the “
Adjust for Best
” option.
Performance
Mac OS X
1 Open “
” and select
System Preferences
“
.”
Energy Saver
2 Click the “ ” tab.
Sleep
3 Set “
Put the computer to sleep when it
” to “ .”
is inactive for: Never
4 Set “
Put the display(s) to sleep when
” to
the computer is inactive for:
“
.”
Never
5 Click the “
” tab.
Options
Processor performance
available, set it to “ .”
If a “
” setting is
Highest
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9 – Specifications
Maximum input level:
+9 dBV (When INPUT knob is
set to LINE)
Input/output ratings
Analog audio input/outupt
MIC IN (Balanced) terminal
Connector: XLR-3-31 equivalent
Input impedance: 1 MΩ
LINE OUT (Unbalanced) terminal
Connector: RCA pin jack
Nominal input level:
–58 dBu (When INPUT konb is set to
MIC)
–14 dBu (When INPUT knob is set to
LINE)
Nominal output level: –10 dBV
Maximum output level: +6 dBV
Output impedance: 200Ω
Maximum input level:
+2 dBu (When INPUT knob is set to
LINE)
PHONES terminal:
Connector:Standard stereo phone jack
Maximum output level: 18 mW + 18 mW or
Input impedance: 2.2 kΩ
more (THD+N less than 0.1%, 32Ω load)
LINE IN (Balanced) terminal
Control input/output
MIDI IN terminal
Connector: TRS Standard phone jack
L channel, and R channel with MIC/LINE-
GUTAR set to MIC/LINE
Nominal input level:
Connector: DIN 5 pin
Format: Standard MIDI format
–40 dBu (When INPUT konb is
set to MIC)
+4 dBu (When INPUT knob is
set to LINE)
MIDI OUT terminal
Connector: DIN 5 pin
Maximum input level:
+20 dBu (When INPUT knob is
set to LINE)
Format: Standard MIDI format
USB terminal
Connector: USB B type 4 pin
Format:
Input impedance: 15 kΩ
R channel with MIC/LINE-GUTAR set to
GUITAR
USB 2.0 High speed (480 MHz)
Nominal input level:
–51 dBV (When INPUT konb is
set to MIC)
USB 2.0 Full speed
(12 MHz USB 1.1 equivalent)
–7 dBV (When INPUT knob is
set to LINE)
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9 – Specifications
Supported computer system
Audio performance
Windows compatible computer with a USB
port (USB 2.0 is recommended)
Frequency response
20 Hz - 20 kHz, +0.5 dB/–1.0 dB (44.1/48
• CPU/clock:
kHz) (MIC to LINE OUT)
Pentium 4 1.4 GHz or faster
AMD Athlon 1.4 GHz or faster
(or equivalent processor)
20 Hz - 40 kHz, +0.5/–1.5 dB (88.2/96 kHz)
(MIC to LINE OUT)
• Memory:
512 MB or more for Windows XP 32-bit
and Windows Vista 32-bit
Signal-to-noise ratio (LINE IN to LINE
OUT)
Through ADC and DAC: 96 dB
(When INPUT knob is set to LINE, 20 kHz
LPF + A-weighted)
1 GB or more for Windows XP 64-bit and
Windows Vista 64-bit
Macintosh
Direct monitor: 107 dB
(When INPUT knob is set to LINE, 20 kHz
LPF + A-weighted)
Supported operating system:
Mac OS X 10.4.11
Mac OS X 10.5.6
or later
Total harmonic distortion (LINE IN to
LINE OUT)
Through ADC and DAC: Less than 0.0045%
(When INPUT knob is set to LINE, 1 kHz
+20 dBu input, 20 kHz LPF)
Supported computer system:
Apple Macintosh series equipped with a
USB port as standard equipment
Direct monitor: Less than 0.002%
(When INPUT knob is set to LINE, 1 kHz,
+20 dBu input, 20 kHz LPF)
• CPU/clock:
Power PC G4 1 GHz or faster, or Intel
processor
• Memory:
512 MB or more
Computer requirements
See the TASCAM website for updated
information about OS compatibility.
General
Windows
Sampling frequency
Supported Operating system
44.1/48/88.2/96 kHz
Windows XP 32 bit SP2/SP3
Windows XP 64 bit SP2
Windows Vista 32 bit SP2
Windows Vista 64 bit SP2
or later
Sampling bit rate
16/24 bit
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9 – Specifications
Power
Supplied via USB (5V, maximum current 500 mA)
Power consumption
2.5 W
Dimensions
135.4 x 179 x 47 mm (W x H x D)
Weight
0.7 kg
Operating temperature
5 to 35 °C
Bundled software
Cubase LE4 (for Windows or Macintosh)
Dimensions
135.4 mm
47 mm
• Illustrations and other depictions may differ in part from the actual product.
• Specifications and external appearance may be changed without notification to improve the
product.
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US-122@#
TEAC CORPORATION
Phone: +81-42-356-9143
1-47 Ochiai, Tama-shi, Tokyo 206-8530, Japan
TEAC AMERICA, INC.
Phone: +1-323-726-0303
7733 Telegraph Road, Montebello, California 90640 USA
TEAC CANADA LTD.
Phone: +1905-890-8008 Facsimile: +1905-890-9888
5939 Wallace Street, Mississauga, Ontario L4Z 1Z8, Canada
TEAC MEXICO, S.A. de C.V.
Phone: +52-55-5010-6000
Río Churubusco 364, Colonia Del Carmen, Delegación Coyoacán, CP 04100, México DF, México
TEAC UK LIMITED
Phone: +44-8451-302511
Suites 19 & 20, Building 6, Croxley Green Business Park, Hatters Lane, Watford, Hertfordshire, WD18 8TE, UK
TEAC EUROPE GmbH
Phone: +49-611-71580
Bahnstrasse 12, 65205 Wiesbaden-Erbenheim, Germany
Printed in China
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