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US-122L
USB Audio/MIDI Interface
D00927620A
»
OWNER'S MANUAL


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TASCAM US-122L
IMPORTANT SAFETY PRECAUSIONS
TO THE USER
This equipment has been tested and found
to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reason-
able protection against harmful interference
in a residential installation. This equipment
generates, uses, and can radiate radio fre-
quency energy and, if not installed and used
in accordance with the instruction manual,
may cause harmful interference to radio com-
munications.
However, there is no guarantee that interfer-
ence will not occur in a particular installation.
If this equipment does cause harmful interfer-
ence to radio or television reception, which
can be determined by turning the equipment
off and on, the user is encouraged to try to
correct the interference by one or more of the
following measures.
a) Reorient or relocate the receiving anten-
na.
b) Increase the separation between the
equipment and receiver.
c) Connect the equipment into an outlet on
a circuit different from that to which the
receiver is connected.
d) Consult the dealer or an experienced
radio/TV technician for help.
CAUTION
Changes or modifications to this equip-
me nt not exp re s sly a pp rove d by TE AC
CORPORATION for compliance could void
the user's authority to operate this equip-
ment.
For U.S.A.
Declaration of Conformity
Model Number:
US-122L
Trade Name:
TASCAM
Responsible party: TEAC AMERICA, INC.
Montebello, California, U.S.A.
Telephone number: 1-213-726-0303
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interfer-
ence, and
( 2) This device must accept any interference
received,
including interference that cause undesired oper-
ation.
This appliance has a serial number
located on the rear panel. Please
record the model number and serial
number and retain them for your
records.
Model number
Serial number


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TASCAM US-122L
IMPORTANT SAFETY INSTRUCTIONS
1 Read these instructions.
2 Keep these instructions.
3 Heed all warnings.
4 Follow all instructions.
5 Do not use this apparatus near water.
6 Clean only with dry cloth.
7 Do not block any ventilation openings.
Install in accordance with the manufactur-
er'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.
· Do not expose this apparatus to drips or
splashes.
· Do not place any objects filled with liquids,
such as vases, on the apparatus.
· Do not install this apparatus in a confined
space such as a book case or similar unit.
Microsoft, Windows, and Windows XP
are registered trademarks in the United
States and other countries of Microsoft
Corporation, USA.
Pentium is a registered trademark of
Intel Corporation, USA.
MIDI is a registered trademark of the
Association of Musical Electronics
Industries.
Other company names and product
names in this document are the trade-
marks or registered trademarks of their
respective owners.
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TASCAM US-122L
Contents
1 Introduction
Overview ..................................... 5
Features ....................................... 5
What is in the package .................. 5
Conventions used in this manual .... 6
2 Parts of the US-122L
Top panel..................................... 7
Rear panel ................................... 8
Front panel .................................. 9
3 Installation
System requirements ............... 10
Windows XP ................................. 10
Mac OS X....................................... 10
Installing the drivers ................ 11
Installing the drivers
for Windows XP........................11
Installing the drivers
for Mac OS X ............................ 12
Installing Cubase LE.................. 12
Settings on your computer ...... 12
4 Control panel settings
Overview ................................... 13
Driver settings .......................... 13
Audio Performance ...................... 13
5 Connections
USB connections ....................... 14
Audio connections.................... 14
MIDI connections...................... 16
6 Recording with Cubase LE
Input setting ............................. 17
Recording .................................. 18
Mixdown ................................... 19
7 Troubleshooting ............. 20
8 MIDI Implementation
Chart .................................. 22
9 Specifications and
performance
Audio specifications ................. 23
Audio performance .................. 24
Other characteristics ................ 24
Physical characteristics............. 25
Dimensions................................ 25


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TASCAM US-122L
Please read this owner's manual carefully
before you begin using the US-122L, and
use the product correctly as directed in
order to ensure long and trouble-free
enjoyment of all its functionality.
After you have read this manual, keep it
nearby for reference when required.
We can accept no responsibility for any
loss of the data you record using this prod-
uct onto other MIDI equipment in your
system or onto storage devices such as
hard disk.
1 ­ Introduction
Overview
The US-122L is a USB-based audio inter-
face 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.
Because the US-122L is USB-based, it is
the ideal companion to any desktop- or
laptop-based digital recording setup. And
since the US-122L operates using only
USB power, you can use it with a laptop
computer to create a very compact and
portable digital audio workstation system.
The US-122L is also an ideal way to cap-
ture analog sources such as records or cas-
sette tapes into your computer and pre-
serve them as audio CDs.
Features
24-bit / 96 kHz audio interface.
Analog input signals (L, R) can be input
at the same time and recorded simultane-
ously into your computer via USB.
Two XLR mic/line inputs (balanced) and
two 1/4" phone mic/line inputs (bal-
anced/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).
Unbalanced stereo line output (RCA
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connector) and headphone output.
MIDI IN/OUT.
Direct Monitor function allows zero-
latency monitoring of the input.
Power is supplied by the USB connector.
A note about computer operation
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.
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What is in the package
The US-122L package contains the follow-
ing items.
US-122L main unit
USB cable
Owner's manual (this document)
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CD-ROM (containing drivers and manuals)
CD-ROM (Gigastudio 3 LE) [Windows
only]
CD-ROM (Cubase LE)
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