
OMEGATMDesktop Recording Studio
Owner’s Manual

WARNING FOR YOUR PROTECTION
PLEASE READ THE FOLLOWING:
KEEP THESE INSTRUCTIONS
HEED ALL WARNINGS
FOLLOW ALL INSTRUCTIONS
DO NOT USE THIS APPARATUS NEAR WATER
CLEAN ONLY WITH A DRY CLOTH.
DO NO
T BLOCK ANY OF THE VENTILATION OPENINGS.
INSTALL IN ACCORDANCE WITH THE MANUFACTURER’S
INSTR
UCTIONS.
DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS
RADIATORS, HEAT REGISTERS, STOVES, OR OTHER
APP
ARATUS (INCLUDING AMPLIFIERS) THAT PRODUCE
HEAT.
ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY
THE MANUFACTURER.
UNPLUG THIS APPARATUS DURING LIGHTNING STORMS
OR WHEN UNUSED FOR LONG PERIODS OF TIME.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider
than the other. A grounding type plug has two blades and a
third grounding prong. The wide blade or third prong are
provided for your safety. If the provided plug does not fit your
outlet, consult an electrician for replacement of the obsolete
outlet.
Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
Use only with the cart stand,
tripod bracket, or table specified
by the manufacture, or sold with the apparatus. When a cart is
used, use caution when moving the cart/apparatus combination
to avoid injury fr
om tip-over.
Refer all servicing to to qualified service personnel. Servicing
is required when the apparatus has been damaged in any way,
such as power-supply cord or plug is damaged, liquid has been
spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate
normally, or has been dropped.
POWER ON/OFF SWITCH: For products provided with a
power switch, the power switch DOES NOT break the
connection from the mains.
MAINS DISCONNECT: The plug shall remain readily operable.
For rack-mount or installation where plug is not accessible, an
all-pole mains switch with a contact separation of at least 3 mm
in each pole shall be incorporated into the electrical installation
of the rack or building.
FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE
FUSE RECEPTACLE: Replace fuse with same type and rating
only.
MULTIPLE-INPUT VOLTAGE:This equipment may require the
use of a different line cord, attachment plug, or both, depending on the available power source at installation. Connect this
equipment only to the power source indicated on the
equipment rear panel. To reduce the risk of fire or electric
shock, refer servicing to qualified service personnel or equivalent.
SAFETY INSTRUCTIONS
NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED
WITH A POWER CORD.
WARNING: THIS APPLIANCE MUSTBE EARTHED.
The cores in the mains lead are coloured in accordance with
the following code:
GREEN and YELLOW - Earth BLUE - Neutral BROWN - Live
As colours of the cores in the mains lead of this appliance may
not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:
• The core which is coloured green and yellow must be
connected to the terminal in the plug marked with the
letter E, or with the earth symbol, or coloured green,or
green and yellow.
• The core which is coloured blue must be connected to
the terminal marked N or coloured black.
• The core which is coloured brown must be connected to
the terminal marked L or coloured red.
This equipment may require the use of a different line cord,
attachment plug, or both, depending on the available power
source at installation. If the attachment plug needs to be
changed, refer servicing to qualified service personnel who
should refer to the table below. The green/yellow wire shall be
connected directly to the units chassis.
WARNING:If the ground is defeated, certain fault conditions in
the unit or in the system to which it is connected can result in
full line voltage between chassis and earth ground. Severe injury
or death can then result if the chassis and earth ground are
touched simultaneously.
The symbols shown above are internationally accepted
symbols that warn of potential hazards with electrical
products. The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages
present within the unit. The exclamation point in an equilateral triangle indicates that it is necessary for the user to
refer to the owner’s manual.
These symbols warn that there are no user serviceable
parts inside the unit. Do not open the unit. Do not
attempt to service the unit yourself. Refer all servicing to
qualified personnel. Opening the chassis for any reason
will void the manufacturer’s warranty. Do not get the unit
wet. If liquid is spilled on the unit, shut it off immediately
and take it to a dealer for service. Disconnect the unit
during storms to prevent damage.
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
ATTENTION:
WARNING:
SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
CONDUCTOR
L
N
E
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR
TO REDUCE THE RISK OF FIRE OR ELECTRIC
WIRE COLOR
Normal Alt
BROWN
LIVE
NEUTRAL
EARTH GND
GREEN/YEL
BLUE
BLACK
WHITE
GREEN

U.K. MAINS PLUG WARNING
A molded mains plug that has been
cut off from the cord is unsafe.
Discard the mains plug at a
suitable disposal facility.
NEVER UNDER ANY
CIRCUMSTANCES SHOULD YOU
INSERT A DAMAGED OR CUT
MAINS PLUG INTO A 13 AMP
POWER SOCKET.
Do not use the mains plug without
the fuse cover in place.
Replacement fuse covers can be
obtained from your local retailer.
Replacement fuses are 13 amps
and MUST be ASTA approved to
BS1362.
IMPORTANT SAFETY INSTRUCTIONS
ELECTROMAGNETIC
COMPATIBILITY
This unit conforms to the Product
Specifications noted on the Declaration
of Conformity. Operation is subject to
the following two conditions:
• this device may not cause harmful
interference, and
• this device must accept any
interference received, including
interference that may cause
undesired operation.
Operation of this unit within significant
electromagnetic fields should be avoided.
• use only shielded interconnecting
cables.
DECLARATION OF
CONFORMITY
Manufacturer’s Name: Lexicon Professional
Manufacturer’s Address: 8760 S. Sandy Pkwy.
Sandy, UT 84070, USA
Declares that the product:
Product name: Lexicon Omega
TM
Note: Product name may be
suffixed by the letters-EU.
Product option: all (requires Class II
power adapter that con
forms to the
requirements of
EN60065,
EN60742, or equivalent.)
Conforms to the following Product
Specifications:
Safety: IEC 60065 (1998)
EMC: EN 55013 (1990)
EN 55020 (1991)
Supplementary Information:
The product herewith complies with the
requirements of the Low Voltage Directive
72/23/EEC and the EMC Directive 89/336/EEC
as amended by Directive 93/68/EEC.
Vice-President of
Engineering
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Date: September 2003
European Contact: Your local Lexicon
Professional Sales and
Service Office or
Harman Music Group
8760 S. Sandy Pkwy.
Sandy, UT 84070 USA
Ph: (801) 566-8800
Fax: (801) 568-7583

SERVICE INFO
If you require technical support,
contact Lexicon Professional Customer
Service. Be prepared to accurately
describe the problem. Know the serial
number of your unit, it is printed on a
sticker attached to the rear panel. If
you have not already taken the time
to fill out your warranty registration
card and send it in, please do so now.
Before you return a product to the
factory for service, we recommend
you refer to the manual. Make sure
you have correctly followed
installation steps and operation
procedures. If you are still unable to
solve a problem, contact our
Customer Service Department at
(801) 568-7660 for consultation. If
you need to return a product to the
factory for service, you MUST
contact Customer Service to obtain
a Return Authorization Number.
No returned products will be
accepted at the factory without a
Return Authorization Number.
Please refer to the Warranty
information on the following page,
which extends to the first end-user.
After expiration of the warranty, a
reasonable charge will be made for
parts, labor, and packing if you
choose to use the factory service
facility. In all cases, you are
responsible for transportation
charges to the factory. Lexicon
Professional will pay return shipping
if the unit is still under warranty.
Use the original packing material if it
is available. Mark the package with
the name of the shipper and with
these words in red:
DELICATE INSTRUMENT, FRAGILE!
Insure the package properly. Ship
prepaid,not collect. Do not ship
parcel post.
WARRANTY
This warranty is valid only for the
original purchaser and only in the
United States.
1. The warranty registration card that
accompanies this product must be
mailed within 30 days after purchase
date to validate this warranty.
Proof-of-purchase is considered to
be the burden of the consumer.
2. Lexicon Professional warrants this
product, when bought and used
solely within the U.S., to be free
from defects in materials and
workmanship under normal use
and service.
3. Lexicon Professional’s liability under
this warranty is limited to repairing or,
at our discretion, replacing defective
materials that show evidence of
defect, provided the product is
returned to Lexicon professional WITH
RETURN AUTHORIZATION from the
factory, where all parts and labor will
be covered up to a period of 1 year
.
A Return Authorization number must
be obtained from Lexicon
Professional by telephone. The
company shall not be liable for any
consequential damage as a result of
the product's use in any circuit or
assembly.
4. Lexicon Professional reserves the
right to make changes in design or
make additions to or improvements
upon this product without incurring
any obligation to install the same
additions or improvements on
products previously manufactured.
5. The foregoing is in lieu of all other
warranties, expressed or implied, and
Lexicon Professional neither assumes
nor authorizes any person to assume
on its behalf any obligation or liability
in connection with the sale of this
product. In no event shall Lexicon
Professional or its dealers be liable for
special or consequential damages or
from any delay in the performance
of this warranty due to causes
beyond their control.
OMEGA
TM
Service Info/Warranty

Lexicon Professional
®
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Unpacking the OmegaTM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
The Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Monitoring Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Recording Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Mixdown of Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connections Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Connections Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Software Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Windows
®
Software Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Macintosh®Software Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Signal Routing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

INTRODUCTION
Congratulations on your purchase of
the Lexicon OMEGA™ desktop
recording studio. The Lexicon OMEGA
is a complete, USB-connected
recording solution. Comprised of an
intuitive I/O unit and multi-track
recording software, the OMEGA works
in conjunction with your computer to
give you a compact, professionalquality audio production system and
provides all the tools necessary for
expert results. Complementing the
OMEGA’s analog and digital I/O, Pro
Tracks Plus
TM
software for PC’s offers
integrated multi-track recording,
editing and mixing of 32 audio tracks,
unlimited MIDI tracks, DXi soft synth
support, and an array of additional
features. BIAS
®
DeckTM3.5 SE software
for Mac’s offers integrated multi-track
recording, editing and mixing of 64
audio tracks, up to 99 virtual tracks and
numerous additional features. Also
included with the OMEGA is Lexicon’s
Pantheon™ reverb plug-in. Lexicon
reverbs have been used on
professional recordings for over thirty
years.
FEATURES
The Omega™ desktop studio provides
the following:
• 6 channels of 24-bit streaming
audio via USB (4 record, 2
playback)
• 7 analog audio inputs
• 2 - XLR mic inputs with
extremely low noise dbx
®
preamps
• 20 dB Mic Pad
• 4 - 1/4” analog RF filtered TRS
active-balanced line inputs
• 1 - 1/4” ultra-Hi-Z analog
instrument input
• 2 - 1/4” analog TRS servobalanced, active line outputs
• S/PDIF coaxial digital input and
output
• 1/4” TRS insert on each mic
input
• MIDI In and Out
• +48V phantom power
• 24-bit A/D and D/A converters,
supporting sample rates of 44.1
kHz and 48 kHz
• Zero-latency analog record
monitoring with adjustable
balance between input and
playback
• Stereo and Mono input source
monitoring
• Power supply included
IntroductionOMEGA
TM
1

UNPACKING THE OMEGA
The Omega™is shipped in one carton,
containing the interface hardware, Pro
Tracks Plus
™
software for Windows®-
based systems, and BIAS
®
Deck 3.5 SE
™
software for Mac®-based systems.
After unpacking, save all the
packaging materials in case you ever
have to ship the unit. Thoroughly
inspect the Omega and packing
materials for signs of damage. Report
any shipment damage to the carrier
that delivered the product or dealer
from whom you purchased the
product at once.
The following items are included:
• Omega desktop audio
interface
• Installer CD-Rom containing
Pro Tracks Plus
™
Recording
Software and the Lexicon
Pantheon
™
Reverb Plug-in for
Windows
• Installer CD-Rom containing
BIAS
®
Deck 3.5 SE™Recording
Software, BIAS
®
Deck 3.5 SE
™
Owner’s Manual, and the
Lexicon Pantheon
™
Reverb
Plug-in for Mac
• Installer CD-Rom containing
Windows XP/2000 USB drivers
• USB connector cable
• This Owner’s Manual
• Pro Tracks Plus
™
Owner’s
Manual
• Lexicon Pantheon
TM
Reverb
Plug-in User’s Guide
• Pro Track Plus
™
Shortcut Guide
• Omega Software Installation
Guide
• Lexicon Professional warranty
registration card
SYSTEM REQUIREMENTS
WINDOWS
®
• Pentium®III 500 MHz
(1.2 GHz recommended)
• Windows 2000 or Windows XP
• 128 MB RAM
(512 MB recommended)
• 100 MB of available hard disk
space
• EIDE/Ultra DMA 7200RPM hard
disk type or better
MACINTOSH
®
• Power PC®, G4 Processor
(450 MHz or faster)
• Mac OS X version 10.2.8 or
later
• 128 MB RAM minimum
(512MB recommended)
• 20 MB available hard disk
space
• 18 ms hard drive
(average speed time) or faster
• QuickTime
™
3.0 or later
Lexicon Professional
®
Introduction
2