Omnia 11 User manual

Omnia.11
Stereo FM Audio Processor
Installation and Operation Manual
Version 1.4 - Revised: May 2013
Omnia ● 1241 Superior Avenue East, Cleveland, Ohio 44114 USA
TEL: +1 216.241.7225 ● FAX: +1 216.241.4103 ● www.omniaaudio.com


i
President’s Note: Welcome to Omnia.11!
Cleveland, Ohio
September, 2010
If you love Rock-and-Roll there's a good chance you'll understand the following scenario. Consider how daunting it must
have been for the Beatles to follow-up "Sgt. Pepper," or what the next concept was in Pete Townshend's mind after the
worldwide acclaim of "Tommy." Personally, I always wonder how Bruce Springsteen contemplates his next project after
the completion of many of his masterpieces.
Well processing gang, seems I now understand the predicament! Your overwhelming acceptance of Omnia processors
parallels the above scenarios for all of those artists. OK, so maybe there won't be a "processing rock opera", but the
popularity of Omnia, as made by you, has put it in rock-star status among broadcastings elite! Humbly....I wish to thank
each and every one of you for your dedication and support.
Now, Omnia embarks upon the next phase - or tour - of this wonderful journey. You know, Mr. Springsteen said it
perfectly, "One day, we'll look back on this, and it will all seem funny." He’s right, as I look back on all this, it's been - and
remains - an amazing ride!
Now it's time for us to offer you our follow-up as we present Omnia.11. A lot of anticipation awaits Omnia.11, and our
goal was to climb the charts again, with a bullet. By now you're heard or read all of the stuff from the marketing gang. So
I'll spare those details. But it is important to note that aside from the effort undertaken to create Omnia.11, there's a
tremendous team who deserve recognition for this product. As said in other communiqués, Omnia isn't just "Frank"
anymore. Now you get to hear and see the results of that statement. Omnia.11 resides on a whole new firmware platform,
which incorporates both DSP and an industrial grade quad-core PC. I believe this is a first in the processing realm. In order
to do this, the Omnia team worked extremely hard to assemble a platform that is powerful, flexible, and ready for the
future. It's my view that our platform design and firmware selection will create possibilities the 'other' guys are still
dreaming about. So in addition to a great sounding processor, you also possess a device that is designed for the ever
changing technical landscape we find in broadcasting today.
To that extent, Rob Dye, Bill Mohat, Ed Zmuginsky, Corny Gould, and Mark Manolio are to thank for their creativity.
Additionally, there are quite a number of end-users who shared their ideas with us, and we're extremely grateful for the
input from everyone.
I've always felt that competitive quality sound is what ultimately sells a processor, not the number of bands or the latest
whimsical features we see offered by others. In Malcom Gladwell's book "Outliers," he details numerous stories about how
various people reached their level of success. The short form answer is that it takes close to 10,000 hours of work or
practice to reach this lofty goal. Pretty insightful stuff! I have no doubt that my algorithmic running mates Rob Dye and
Cornelius Gould have long surpassed this milestone. Their efforts, input and insight to the algorithms in Omnia.11 are
worth a book unto themselves. Ask Corny about the multitude of hours we spent in our development lab going over
algorithm performance and breaking down the barriers to achieve increased performance in what is today Omnia.11.
Hopefully by now you can draw your own conclusion as to which company has not only become the world's leading
broadcast processing developer, but also whom all others look to clone. We chuckle when our tech concepts show up in
product descriptions of other companies.
In closing, I want to Thank You, once again for your support in us. As you get rolling with Omnia.11, please know we are
there 24/7 should you need assistance. As always, we'd love to know your feedback, so please feel free to share. As a
friend in the live steam hobby told me about his business, "If you like the product, tell others. If you don't, then tell me."
Rock on!
Frank Foti, President, Omnia Audio

ii

iii
Omnia.11 Quick-Start Setup Guide
We know that you’re probably in a hurry to begin using your new Omnia.11. This 3-page Quick-Start Setup Guide
below will get you up and running as quickly as possible. Since it covers only the bare minimum needed to get you
going, we strongly suggest reading the entire user manual in order to get the most out of your new Omnia.11. The
latest version is always available in .pdf format here:
http://omniaaudio.com/manuals/11/download
Please refer to the illustrations below to become familiar with the location of the various controls and connectors
associated with the installation and then follow the steps in the Physical Installation and User Interface Overview
sections before proceeding with the installation.
Physical Installation:
The Omnia.11 is a large unit so it would be advisable to have the help of an assistant when installing it in the rack. Pull
outward on the outside of each handle until you hear a click and they both securely lock into place. Using the handles,
install the Omnia.11 in the equipment rack using all four rack screws. Once secured to the rack, slide the release pin
(located on the back of each handle at the top) toward you and fold the rack handles back to their normal position.
1. Connect the audio inputs that are appropriate for your installation. The Omnia.11 accepts balanced professional line-
level analog audio or AES/EBU digital audio on standard XLR connectors. If you have an existing Livewire system, the
single Livewire Ethernet connection is all that is needed for audio I/O (except for the composite MPX outputs). Please
note that the the two Ethernet jacks are ports on the same internal switch so they both have the same functionality. Either
can be used for remote control and Livewire. NOTE: Be sure Livewire is disabled in the Setup menu (see Step 4 below)
if you are not installing the Omnia in a Livewire system.
2. Connect the outputs that are appropriate for your installation. (NOTE: A direct composite MPX connection between
the Omnia and the FM exciter at the transmitter site is always best! This will allow taking full advantage of the Omnia’s
superior built-in stereo generator and ensure the best possible overshoot performance and sound quality.)
If you will be using AES/EBU to feed your STL, or FM exciter, be sure any pre-emphasis and limiters (if present) are
fully defeated in the exciter. The Omnia must be the only device providing the pre-emphasis so its own de-emphasis on
the AES/EBU output being used must also be “Off”. Also note that if the STL uses a codec (is not linear), the Omnia must
be located at the transmitter site for best performance and sound quality. Please contact Omnia Support if you have any
questions.
3. Be sure there is nothing plugged into the rear panel Ethernet jacks at this point and connect AC power to the unit
(there is no power switch!). You will see lines of text as the unit boots up, followed by the main GUI touch screen
interface as shown at the top of the next page.

iv
Front Panel User Interface Overview:
Headphone Jack Headphone Level Control Jog Wheel
Icon Buttons Tabs
Touch Screen LCD Display Metering Area Menu Area
Sub-Group Buttons
The initial GUI will come up with the Preset list open but locked. For now, touch the “Setup” icon button at the top-left
corner of the screen. This brings up the Network, Livewire and System setup screens with the System screen as the
default.
Note here that the Overall Bypass switch should always be set to “OFF” or no processing will take place! Be careful
never to turn this on unless you are running a proof!
Before you begin, be sure your Omnia.11 is running the current software which is shown in the orange System block
near the top of the screen. It should read “Version Omnia11: 1.4 (xxxx). You can ignore what’s in the parentheses. If
the version shown is 1.1, you can update via download from here: http://omniaaudio.com/omnia-11-fm-broadcast-
audio-processor If the version shown is 1.03 or lower, please contact Omnia customer support for assistance. Contact
information is at the end of this document.
4. Touch the appropriate icon buttons to setup your network parameters, activate Livewire (only if needed) and change the
unit’s password (default is “omnia” without the quotes). NOTE: The same password is used for both front panel and remote
browser access.
5. Touch the “ADJ” icon button near the top-left of the screen to return to the main screen and then touch “Input” to
bring up the Input menu and metering. If the “Basic” tab is not selected, touch it to select it. From the “Input Source” drop-
down, select the Analog, AES/EBU or Livewire input as appropriate for your installation. If your audio source is providing
an audio feed you should then see meter activity on the bargraph meters.
6. While driving the inputs with typical program material at normal operating level, adjust the appropriate “Master” Input
Gain control until the peak-reading input bargraph meters are reading just “into the yellow” (about –15 to –12 dBFS or so). If
the left/right audio levels coming into the Omnia.11 are somewhat unbalanced, you can adjust the “Right Trim” control to
adjust the level of the right channel alone over a limited range.
7. Touch the “Output” icon button at the top-right of the screen to bring up the Output menu and metering. If the “Basic”
tab is not selected, touch it to select it. Touch the “FM Options” button on the left side of the Menu Area and ensure that the
Pre-Emphasis, Diversity Delay (if present) and BS-412 settings are correct for your system and your location.

v
8. Now touch the appropriate button above the “FM Options” button to select the group of output controls for the output
you will be using. All outputs are active simultaneously. NOTE: If you are using an AES/EBU digital output to feed an FM
exciter, touch the “AES/EBU” button and be sure the “Output Selection” is set to “FM” and the “De-emphasis” is turned
“OFF” for the output being used to feed the linear digital STL or exciter. For access to the composite MPX stereo generator
output level and stereo pilot controls, touch the “Composite” button. Finally, adjust the appropriate control so that the peak
output/modulation level is correct for the equipment that follows the Omnia.11.
9. Touch the “FM” icon button and then touch the “Preset” tab to display the list of factory processing presets. If the
preset list is locked (grayed-out), touch the “padlock” icon to unlock it. Once unlocked, simply touch the desired preset name
in the list and it will be put directly “on the air".
10. We strongly suggest listening to all the factory presets, regardless of their name, to get a feel for their differences
and then select one to start with. Once you have your starting preset selected, touch the “Quick Setup” tab and adjust
the following controls to set the basic loudness, bass and brightness sound desired.
Start with the “Auto Sense” control. Set it all the way down to 0.0 for now.
Next, adjust the “Clipper Drive” control as low as possible for the loudness needed. This controls the primary
loudness vs. distortion tradeoff. Turning it up makes the sound louder (but more distorted) while turning it down
makes the sound cleaner but not as loud. The goal is to find the right compromise. Try adjusting it down in 0.5 dB
steps until the loudness just falls off a little too much, then bring it back up a notch or two from there. It should
always be set as low as possible for the needed level of loudness.
Now turn the “Auto Sense” control back up until you see the Auto Sense meter in the metering pane deflecting
downward a maximum of about 0.5 to 1dB or so on peaks and then leave it there.
The overall amount of bass is set using the “Bass Growl” control. The bass enhancement controls (“Deep Bass”,
“Warm Bass” found here and also “Phat Bass” located in the Basic tab of the WB/ENH menu) are all dynamic
rather than fixed EQ’s. Their overall “allowed amount” is controlled by the “Bass Growl” control so start by
adjusting this to taste. You can go back and set the other bass enhancer controls later. For now the preset defaults for
these should be sufficient.
Finally, set the basic brightness of a preset by using the “Presence” and “Treble” controls. Note that these two
controls only boost the brightness. A setting of “0.0” is “flat” or the minimum amount of boost for the particular
preset that is currently selected.
The Omnia.11 Quick-Start Setup is now complete! Please read the User Manual to learn all about the features that make
the Omnia.11 unique, for additional details on proper installation (Chapter 1), remote control (Appendix C) and for full
details on the operation and adjustment of every control function (Chapters 4 & 5).
The latest version of the manual is always available for download in .pdf format here:
http://omniaaudio.com/manuals/11/download
If you’d like to contact our Customer Support department, personnel are available in the Cleveland, Ohio, USA office
Monday through Friday between 9:00 A.M. and 5:00 P.M., Eastern Time by phone at +1.216.241.7225 , via email to
support@omniaaudio.com or via the customer support form on our website here:
http://telosalliance.com/contact/
After-hours support is available 24/7 by phone at +1.216.622.0247.
If you are outside the U.S.A. and non-English speaking, please contact the dealer you purchased your Omnia from first.
Thank you for choosing Omnia!

vi

vii
Table of Contents
President’s Note: Welcome to Omnia.11!.................................................................................... i
Omnia.11 Quick-Start Setup Guide ........................................................................................... iii
Physical Installation: ........................................................................................................... iii
Front Panel User Interface Overview:............................................................................... iv
Table of Contents ........................................................................................................................ vii
S A F E T Y I N S T R U C T I O N S .................................................................................... xi
HAZARD / WARNING LABELS ............................................................................................. xii
Manual Update Notification...................................................................................................... xiii
Chapter-1: Installation ..................................................................................................................1
Pre-Installation Tasks............................................................................................................1
About This Manual................................................................................................................1
Omnia.11 Components ..........................................................................................................1
Processor Location.................................................................................................................1
AC Power Environment ........................................................................................................1
Installation & Connections ...................................................................................................2
Rack Mounting & Grounding ............................................................................................. 2
AC Mains Power................................................................................................................. 2
Rear Panel Connections ........................................................................................................3
Analog Audio Inputs and Outputs ...................................................................................... 3
A Note about Relative Phase: ..........................................................................................3
Stereo Generator Connections ............................................................................................ 4
COMP 1 & COMP 2 (Composite Outputs 1 & 2) (BNC) ...............................................4
19 kHz OUT (Pilot Sync Output) (BNC) ........................................................................4
SCA INPUT (BNC) .........................................................................................................4
SCA IN LVL (SCA Input Level) (trimpot adjustment)...................................................4
AES/EBU Digital Input, Outputs & AES/EBU External Sync Input................................. 5
Ethernet / Livewire Connections ........................................................................................ 5
RS-232 Serial Port (DB-9M)* Connections ....................................................................... 6
General Purpose Interface (GPI) (DB-15F)*...................................................................... 6
Powering Up ...........................................................................................................................7
Chapter-2: Getting To Know Your Omnia.11 ............................................................................9
The Omnia.11 User Interface................................................................................................9
Headphone Level Control................................................................................................... 9
Icon Buttons, Metering Area and Menu Area................................................................... 10
User Interface Overview:...............................................................................................10
User Interface Tutorial – Input Source Selection and Peak Input Level Setting .............. 11
Proper Setting of Input Levels .......................................................................................12
Processing Activity Metering (Gain-Reduction Meters) .................................................. 13
Chapter-3: Setting Up for Your System ....................................................................................15
Setup Mode.............................................................................................................................. 15
Network Parameter Setup...................................................................................................15
Livewire©Setup....................................................................................................................17
Livewire Sync Indicator.................................................................................................... 17

viii
Security Setup.......................................................................................................................18
Introduction....................................................................................................................18
Definition of Static Security Levels...............................................................................19
Changing Passwords ......................................................................................................19
Preset Protection ..................................................................................................................20
Introduction....................................................................................................................20
Authorization Groups.....................................................................................................20
Using Preset Protection..................................................................................................20
System Setup.........................................................................................................................22
Input/Output Configuration and Metering.......................................................................... 22
Input Configuration.............................................................................................................23
Input Failover (Input Menu Basic Tab) .........................................................................24
Patch Point (Input Menu Advanced Tab) ......................................................................25
Input Metering .....................................................................................................................26
Output Configuration..........................................................................................................26
Analog............................................................................................................................... 27
AES/EBU.......................................................................................................................... 27
Livewire ............................................................................................................................ 28
Headphone ........................................................................................................................ 28
Composite ......................................................................................................................... 29
FM Options ....................................................................................................................... 30
ITU BS-412 Power Limiter ...........................................................................................30
Diversity Delay ..............................................................................................................31
SCA IN LVL (Control on Rear Panel) ............................................................................. 31
Output Metering ..................................................................................................................32
Summary Tab.................................................................................................................32
Detail Tab.......................................................................................................................32
Chapter-4: Introduction to Omnia.11 Processing.....................................................................35
Where to Begin?...................................................................................................................... 36
Presets ...................................................................................................................................36
Quick Setup Tab ............................................................................................................... 37
Clipper Drive and Auto Sense .......................................................................................37
Bass Growl.....................................................................................................................38
Brightness ......................................................................................................................38
Saving User Presets........................................................................................................... 38
Help Text .......................................................................................................................... 38
Preset Descriptions............................................................................................................ 39
Chapter-5: Detailed Processing Adjustment .............................................................................43
Recommended “Tried and True” Adjustment Procedure.................................................. 43
FAQ - Some Common How-To’s: ......................................................................................... 44
1) How do I try to increase loudness while maintaining as much quality as possible?44
2) How do I adjust the frequency balance to obtain a certain consistent sound
“signature” (more bass, less bass, more mids etc.)? ......................................................44
3) How do I reduce listening fatigue and create a more open, cleaner sound that can
be listened to comfortably for longer periods of time?..................................................44
4) How do I make the processor bring up the volume of quiet song intros more?.......44
Block Diagram......................................................................................................................45
Wide Band ............................................................................................................................45

ix
Wide Band AGC Metering (Summary Tab)..................................................................46
Wide Band AGC (WB) (Basic Tab) ..............................................................................46
Wide Band AGC (WB) (Advanced Tab).......................................................................48
ENH (Basic Tab)............................................................................................................49
ENH (Advanced Tab) ....................................................................................................50
AGC.......................................................................................................................................51
AGC Crossover (Basic Tab)...................................................................................51
AGC Crossover (Advanced Tab) ...........................................................................51
AGC Metering (Summary Tab) .....................................................................................52
AGC (Basic Tab) ...........................................................................................................52
Low-Delay DJ Monitor Output......................................................................................53
AGC (Advanced Tab) ....................................................................................................55
AGC Mixer (Basic Tab) .......................................................................................56
Limiters.................................................................................................................................56
Limiters Crossover (Basic Tab) .............................................................................56
Limiters Crossover (Advanced Tab) ......................................................................57
Parametric EQ Section...................................................................................................57
Limiters Metering (Summary Tab)................................................................................58
Limiters (Basic Tab) .........................................................................................58
Limiters (Advanced Tab) ..................................................................................59
Limiters Mixer (Basic Tab) ...................................................................................60
FM .........................................................................................................................................61
FM Final Limiter (Clipper) (Basic Tab) ........................................................................61
FM Final Limiter (Clipper) (Advanced Tab).................................................................62
FM Channel Clipper Metering.......................................................................................63
HD..........................................................................................................................................63
HD Final Limiter............................................................................................................63
HD Channel Limiters Mixer (Basic Tab) ..............................................................63
HD Channel Metering....................................................................................................64
HD Channel Bass Enhancer (Basic Tab) .......................................................................64
HD Channel Limiter (Basic Tab)...................................................................................64
Sensus(Basic Tab) .....................................................................................................65
What is Sensus?..........................................................................................................66
Appendix A: Performance Specifications..................................................................................69
Appendix B: Troubleshooting/Service/Warranty.....................................................................73
Electrical and mechanical safety note!...............................................................................73
Troubleshooting FAQ..........................................................................................................73
Obtaining Service.................................................................................................................74
Via the World Wide Web ................................................................................................. 74
Via E-Mail ........................................................................................................................ 74
Via Phone.......................................................................................................................... 74
Warranty ..............................................................................................................................75

x
Appendix C: Remote Control and Software Update Procedure .............................................77
Remote Control ....................................................................................................................77
Remote .............................................................................................................................. 79
Data Mgmt ........................................................................................................................ 80
Preset File Transfer ........................................................................................................80
Preset Import ..................................................................................................................81
Preset Authorization.......................................................................................................81
I/O Configuration File Transfer.....................................................................................81
Configuration .................................................................................................................... 82
Change Current Password..............................................................................................82
Software Bank Selection and Update ............................................................................82
Feature Activation..........................................................................................................85
Factory Diagnostics .......................................................................................................85

xi
S A F E T Y I N S T R U C T I O N S
1. Read All Instructions. All safety and operating
instructions must be read before operating the
product.
2. Retain All Instructions. All safety and operating
instructions must be retained for future reference.
3. Heed All Warnings. All warnings on the product
and those listed in the operating instructions must
be adhered to.
4. Follow All Instructions. All operating and product
usage instructions must be followed.
5. Heat. This product must be situated away from any
heat sources such as radiators, heat registers, stoves,
or other products (including power amplifiers) that
produce heat.
6. Ventilation. Slots and openings in the product are
provided for ventilation. They ensure reliable
operations of the product, keeping it from
overheating. These openings must not be blocked
nor covered during operation. This product should
not be placed into a rack unless proper ventilation is
provided through following the manufacturer's
installation procedures.
7. Water and Moisture. Do not use this product near
water – for example; near a bath tub, wash bowl,
kitchen sink or laundry tub; in a wet basement; or
near a swimming pool or the like.
8. Attachments.
Do not use any attachments not
recommended by the product manufacturer as they
may cause hazards.
9. Power Sources. This product must be operated from
the type o
f power source indicated on the marking
label and in the installation instructions. If you are
not sure of the type of power supplied to your
facility, consult your local power company.
10. Grounding and Polarization. This product is equipped
with a polarized AC plug with integral safety
ground pin. Do not defeat the safety ground in any
manner.
11. Power Cord Protection. Power supply cords must be
routed so that they are not likely to be walked on
nor pinched by items placed upon or against them.
Pay particular attention to the cords at AC wall
plugs and convenience receptacles, and at the point
where the cord connects to the product.
12. Lightning. For added protection for this product
during a lightning storm, or when it is left
unattended and unused for long periods of time,
unplug it from the AC wall outlet. This will prevent
damage to the product due to lightning and power
supply surges.
13. Overloading.
Do not overload AC wall outlets,
extension cords, or integral convenience outlets as
this can result in a fire or electric shock hazard.
14. Object and Liquid Entry. Never push objects of any
kind into this product through openings as they may
touch dangerous voltage points or short out parts
that could result in a fire or electric shock. Never spill
liquid of any kind into the product.
15. Accessories. Do not place this product on an unstable
cart, stand, tripod, bracket, or table. The product
may fall, causing serious damage to a child or adult,
and serious damage to the product. Any mounting of
the product needs to foll
ow manufacturer's
installation recommendations.
16. A Product and Cart Combination should be moved with
care. Quick stops, excessive force, and uneven
surfaces may cause the product and the cart
combination to overturn.
17. Servicing. Refer all servicing of the
product to
qualified service personnel.
18. Damage Requiring Service. Unplug this product from
the AC wall outlet and refer servicing to qualified
service personnel under the following conditions:
•When the AC plug is damaged.
•If liquid has been spilled or objects have fallen into
the equipment.
•If the product has been exposed to rain or moisture.
•
If the product does not operate normally (following
operating instructions).
•If the product has been dropped or damaged in any
way.
•When the product exhibits a distinct change in
performance. This indicates a need for service.
19. Replacement Parts.
When replacement parts are
required, be sure the service technician has used
replacement parts specified by the manufacturer or
that have the same characteristics as the original
parts. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
20. Safety Check. Upon completion of any repairs to this
product, ask the service technician to perform safety
checks to determine that the product is in safe
operating condition.
21. Cleaning.
Do not use liquid cleaners or aerosol
cleaners. Use only a damp cloth for cleaning.

xii
HAZARD / WARNING LABELS
The Exclamation Point symbol, within an equilateral triangle, alerts the user to the
presence of important operating and maintenance (servicing) instructions in product
literature and instruction manuals.
The Lightning Flash with Arrowhead symbol, within an equilateral triangle, alerts the
user to the presence of non-insulated dangerous voltages within the product's enclosure
that may be of sufficient magnitude to constitute a risk of electric shock.
WARNING -- This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in
accordance with the instructions in this manual it may cause interference to radio communications. The device has
been formally submitted for testing and found to comply with the limits for a Class B computing device (pursuant to
subpart J of Part 15 FCC Rules) and has been designed to provide reasonable protection against such interference
when operated in a commercial environment. Operation of this equipment in a residential area may cause
interference, and the user and at his expense will be required to take any measures required to correct interference.
CANADA WARNING –This digital apparatus does not exceed the Class B limits for radio noise emissions set out
in the Radio Interference Regulations of the Canadian Department of Communications. Le present appareil
numerique n'emet pas de bruits radioelectriques depassant les limits applicables aux brouillage radioelectrique edicte
par le ministere des Communications de Canada.
CE CONFORMANCE –This device complies with the requirements of the EEC Council Directives: 93/68/EEC
(CE Marking); 73/23/EEC (Safety – low voltage directive); 89/336/EEC (electromagnetic compatibility).
Conformity is declared to those standards: EN50081-1, EN50082-1.

xiii
LITHIUM BATTERY CAUTION – There is a danger of explosion if the internal battery is
replaced incorrectly or shorted. Replace the battery only with same or equivalent type
recommended by the manufacturer. Dispose of used batteries according to the manufacturer's
instructions.
USE OF SHIELDED CABLING – In order to conform to the CE requirements for High
Frequency radiation, shielded cables must be used for all audio and data connections.
NOTE: When the unit is operated in an extremely high RF environment, it may be helpful to
connect cable shields to the XLR-connector terminal that connects cable shield to chassis
ground, not to pin 1. Additionally, a 0.01uF capacitor connected between XLR pin-1 and the
chassis terminal may be helpful in some instances.
RoHS COMPLIANCE – The RoHS Directive stands for "the restriction of the use of certain hazardous substances
in electrical and electronic equipment". This Directive bans the placing on the European market of new electrical
and electronic equipment containing more than agreed levels of lead, cadmium, mercury, hexavalent chromium,
polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE) flame retardants. Omnia.11 FM is in
compliance with the EU RoHS Directive.
Manual Update Notification
Audio Processing – a unique art form that we take very seriously!
As part of our dedication to the science of audio processing we will continue to improve and update the Omnia
product and its documentation based on our ongoing research, real-world field experience, and the valued input from
our many thousands of loyal customers.
We strongly encourage our customers to visit our Omnia website for product enhancement announcements, software
updates, updated user manuals, and customer support bulletins.
The following URLs have been included for your convenience:
Manual Updates
http://omniaaudio.com/manuals
Frequently Asked Questions (FAQ)
http://omniaaudio.com/faqs
Tech Tips & Support Bulletins
http://omniaaudio.com/tips
Software Upgrades & Remote Software
http://omniaaudio.com/software
White Papers & Technical Discussions
http://omniaaudio.com/white-papers

xiv

1
Chapter-1: Installation
Pre-Installation Tasks
Please take a few minutes to read through this chapter before proceeding with the installation of your new Omnia.11
processor.
About This Manual
The latest version of this manual is always available for download from the Omnia website here:
http://omniaaudio.com/manuals
Omnia.11 Components
By now, you’ve unpacked the shipping carton to gain access to this manual. Now is the time to inspect the
Omnia.11 unit and its shipping carton for any signs of shipping damage. Such damage must be reported to your
carrier for any claims. The Omnia.11 shipping box includes the following components:
Omnia.11 processor.
Omnia.11 Operating Manual.
Warranty Registration Card. (Please complete the form and return/FAX it to Telos/Omnia)
Two IEC Power Cords, one of the USA/Canada style, and one of the Euro style.
Processor Location
We strongly suggest using the Omnia.11’s built-in MPX stereo generator (the BNC Composite outputs) for the
analog FM channel if at all possible in your system. This will generally result in the best, most tightly controlled
modulation performance. Plus you’ll be able to make use of the advantages available only in the Omnia.11 such as
the SSB option, superb pilot and SCA protection performance, composite clipping etc. Remember, analog FM is still
analog after all! Using an AES/EBU digital path to a digital exciter can be more convenient and can work well, but
it simply moves the location of the stereo generator D/A conversion to the digital exciter over a third-party path
which is not likely to have the above advantages or optimized performance of the integrated stereo generator in the
Omnia. Sometimes, these exciters also have limiters or clippers built-in to their AES inputs that can actually add
overshoot and distortion to the signal!
AC Power Environment
The Omnia.11 subsystem is a DSP-based microcomputer, and therefore requires reasonably clean AC power, just as
any modern computer system does. And even though the Omnia.11 power supply is equipped with robust AC
transient suppression, we recommend that an “online” style (non-switching type) Uninterruptible Power Supply
(UPS) with transient surge suppression be employed.
At transmitter sites there can be heavy transients on the power lines as well as significant surges introduced into the
power system by frequent lighting strikes. These are unwelcome power line events and can damage even the most
robust equipment. Therefore you should give the AC power environment and installation practices thorough
consideration before plugging in the Omnia.11 (or any other microcomputer-based equipment).

2
A White Paper by one of our Support Engineers can be found on the Telos Systems website at the URL listed below.
It details proper grounding and contains links to some surge suppression products for both the power mains and the
often-neglected telephone, Ethernet and ISDN line connections that can (and do) conduct powerful surges into the
equipment.
http://www.telos-systems.com/techtalk/surge.htm
Installation & Connections
Rack Mounting & Grounding
The Omnia.11 is a large unit so it would be advisable to have the help of an assistant when installing it in the rack.
The Omnia.11 requires four RU (7" [17.78 cm]) of rack space. Pull the outer edge the 2 rack handles towards you
until they lock securely. Then and only then rack mount the unit using all four rack screws! No other two-screw
mounting arrangement will secure the unit properly or prevent distortion of the front panel!
Once secured to the rack, slide the release pin for each rack handle toward you and fold the rack handles back to
their normal position
Adequate ventilation should be provided, and although not required, it is always good engineering practice to allow
one blank rack space immediately above and below the Omnia, especially if equipment generating significant heat is
located below the unit. You may install 1RU (1.75") vented or solid rack panels to fill these spaces.
The processor should be installed into a properly grounded 19" equipment rack.
It is a good idea, especially at transmitter sites, to run a separate ground strap or braid from the Omnia.11’s chassis
to a solid rack or station ground point. Although no separate ground lug is provided, the end of the strap or braid can
be clamped under the Omnia’s top cover using the Omnia’s existing top cover screws.
AC Mains Power
Omnia.11 utilizes an un-switched EMI-filtered IEC
power-entry module.
Omnia.11’s automatic voltage–sensing, high-efficiency switching
power supply allows it to operate on AC mains voltages from 100 to
240 VAC and from source frequencies of either 50 or 60 Hz.
In the USA or Canada, plug the provided IEC type AC power cord
into the unit and then into a grounded AC outlet.
Outside of the USA you must use the appropriate power cord that
complies with local electrical regulations.
AC Power Connection

3
Rear Panel Connections
Analog Audio Inputs and Outputs
Balanced XLR-type connectors are provided in the lower left section of the rear panel for the analog audio. Both
analog and digital input sources may be connected simultaneously, however, only the input source that has been
selected in the Input menu will be active. Analog/Digital/Livewire input source selection is done through the “Input
Source” software parameter setting in the Input menu.
All outputs are active simultaneously.
The stereo analog inputs Individual Left and Right
are designed for standard analog outputs are available
+4dBu balanced signals. on two male XLR jacks.
Pin 2 is Hot. Pin 2 is Hot.
A Note about Relative Phase:
If the relative phase of your installation (including the Omnia.11) differs from that of your existing system, your
announcers may feel that they sound “weird” in their headphones. If this occurs, then the relative phase of the
processor is 180 degrees from what your air talent is used to. To remedy this, you can either reverse the polarity of
both of the analog inputs or simply change the “Invert Polarity”setting to [Both] in the Input menu.

4
Stereo Generator Connections
Four standard female BNC connectors comprise the Omnia.11’s stereo generator connections.
There are two composite MPX outputs with independent software level controls, one SCA input with level adjust
trimpot and one 19 kHz pilot sync output.
COMP 1 & COMP 2 (Composite Outputs 1 & 2) (BNC)
These two low impedance outputs (Composite 1 and Composite 2) are each capable of driving up to 100 feet of
RG-58A/U coax cable. The output levels are individually adjustable so the unit can operate as a “composite
DA” to drive a variety of equipment. The output levels and other stereo generator settings are set through
software parameters in the Composite submenu of the Output menu. An internal jumper sets the output
impedance to either 5 ohms (the factory setting) or 75 ohms. The default setting is appropriate for the vast
majority of exciter connections. However, in the event that a higher source impedance is required, a jumper can
be moved (one for each composite output) on the motherboard to change the source impedance to 75 ohms. For
reference, JP10 is for Composite #1, and JP9 is for Composite #2.
Jumpers JP7 & JP8 are also available if you need to limit the maximum peak-to-peak output voltage from the
composite outputs to 4v p-p instead of the normal 10v p-p. They default to the Normal (10v p-p) setting.
19 kHz OUT (Pilot Sync Output) (BNC)
This TTL-level 19 kHz square wave output can be used as the reference signal for most RDS or SCA generators
that operate at 57 kHz or other multiple of the 19 kHz pilot frequency. This Sync output is phase and frequency
locked to the stereo pilot. When this signal is used to synchronize an external SCA or RDS generator, this
locking assures that no difference frequencies exist which may cause intermodulation between the pilot and the
SCA signal.
SCA INPUT (BNC)
Any SCA or RDS signal above 53 kHz can be added to the composite outputs of the Omnia.11 by connecting
the signal to the SCA INPUT connector. The SCA signal is mixed in the analog domain directly into both
composite outputs. A high-pass filter on the SCA input provides SCA to main-channel crosstalk protection. The
SCA injection level can be adjusted using the SCA IN LVL control trimpot. See below for details.
SCA IN LVL (SCA Input Level) (trimpot adjustment)
Located just above the SCA Input BNC jack is the SCA IN LVL (SCA Input Level) adjustment control.
Carefully insert a small bladed screwdriver into the hole and adjust the control if needed to set the SCA
injection level.
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