Nady Systems EO3DD, EO3BB, EO3RXEE, EO3EE, EO3RXBB User Manual

OWNER’S MANUAL

EO3

Personal In-Ear Monitor

Wireless System

Contents

Introduction .............................................................................................................................3

Important Note ........................................................................................................................ 3

EO3 Transmitter ...................................................................................................................... 4

EO3 Receiver .......................................................................................................................... 6

Specifications ..........................................................................................................................8

Service Information ................................................................................................................. 9

Warranty .................................................................................................................................10

Nady wireless systems are type accepted under FCC rules parts 90, 74 and 15.

This device complies with RSS-210 of Industry & Science Canada. Operation is subject
to the following two conditions: (1) this device may not cause harmful interference and
(2) this device must accept any interference received, including interference that may
cause undesired operation.

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Introduction

Thank you for choosing the Nady EO3 Personal In Ear Monitor™ wireless system, we know
you will be very pleased with its performance and features. The EO3 provides high quality,
yet cost-effective in-ear monitoring to on stage performers or behind the scenes personnel.
The system is designed to be very easy to use and requires no installation.

The EO3 consists of one wireless transmitter (EO3-T) and one or more wireless bodypack
receivers (EO3-R) on the same channel. The transmitter features eight factory switchable
channels; the receivers are single channel units that operate on one of eight channels in the
72-76 MHz band, with wide band modulation for quality audio. These frequencies are in a
separate band that will not interfere with simultaneous use of VHF or UHF wireless systems
on the same stage.

The EO3 system has a wireless operating range of 300 feet, which allows it to be used with
confidence in venues from small clubs to large theatres.

The transmitter connects to a monitor or line out from any mixing console, and broadcasts the
audio as an FM signal to any number of pocket size Nady EO3 receivers on the same channel.
Each receiver is equipped with an adjustable volume control, and high performance earbuds.
Earphone enhancers—unique clear soft plastic inserts that can help secure the earbuds—are
included. The transmitter also provides a microphone input to allow wireless cueing of the
performers on stage.

The EO3 can provide a high quality monitor mix at significantly lower decibel levels than
floor monitors. This is an important benefit for artists who wish to protect their hearing
from excessive and potentially damaging sound pressure levels.

Please read this manual completely before using your Nady EO3.

Important Note

Just as with any in-ear monitor system, the EO3 works best when used exclusively by all
the performers on stage—without any wedges or side monitors. The high sound pressure
levels produced by floor monitors (especially if the band plays loud) can bleed through the
in-ear monitor earbuds, in the worst cases, thus hindering their effectiveness. Experiment
with your mix to get the maximum benefit from your EO3.

3

EO3 Transmitter

The EO3 transmitter is a compact
transmitter that broadcasts on one of eight
channels in the 72-76 MHz band, to any
number of EO3 wireless bodypack receivers
on the same channel. The system provides
a 300 ft. wireless operating range, and
offers these features:

Eight factory switchable channels•
Rear panel input for line level audio •
Front panel input for microphone•
Audio input gain control•
Automatic level control•
Extendible antenna•
9 volt DC input for AC-EO3 9VDC •
regulated power supply adapter provided
Power switch with red LED power •
on indicator
Audio modulation LED indicator•

Setting Up the Transmitter

Your EO3 requires minimum installation.
Simply place the transmitter on any
flat surface, connect your mixing board
to the transmitter’s back panel input
(See Connecting Audio Input below),
connect the included power supply
(as explained below), and the transmitter is
ready to broadcast to any number of EO3
receivers operating on the same channel.

Powering the Transmitter

Connect the AC adapter provided into
the 9V DC jack (1) on the back panel of the
transmitter. Plug the other end into an
AC wall socket. Press Power switch (2).
The Power On LED (3) will light.

Antenna

Extend Antenna (4) fully and position
90 degrees from top of the transmitter.

Connecting Audio Input

The Line In jack (5) on the rear panel lets you
connect the EO3 to your mixing console. This

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/4” mono phone jack accepts an unbalanced
line level audio source at zero dBm nominal
signal level. If your mixer has XLR outputs
only, you will need an XLR-to-phone plug
adapter, available from most electronics
stores and music equipment stores.

Using a Microphone

The Mic jack (7) on the front panel allows
wireless cueing of on stage performers.

Important: This 1/4” mono phone jack is designed
for an electret condenser microphone, and 9V DC
power is present at the input jack. If you wish to
use a conventional dynamic microphone, at least
20 dB more gain is required, and a preamp should
be used. If a preamp is used, be sure to have a
blocking capacitor (1 mfd) between the preamp
output and the EO3 mic input. If a dynamic mic
is plugged into the mic input by mistake, there
should be no damage because the current is
limited to 1.0 mA. If you have any questions,
contact Nady Customer Service (510.652.2411)
or your Nady dealer.

Audio Input Gain Adjustment

You can quickly adjust the transmitter to
obtain optimum performance with the
Input Gain control (8). The audio modulation
indicator LED, marked TX (6) will increase in
brightness as the control is turned clockwise,
and decrease in brightness as the control is
turned counterclockwise. When the “TX”
LED is flashing during transmission, the
transmitter is broadcasting properly. (If the
LED stays off continuously or barely flashes
at all, the input gain needs to be increased.
If the LED stays on continuously and does
not flash during modulation, the input is
overloading and needs to be decreased.)
You will also need to test the transmitter in
use with an EO3 receiver. This procedure is
easy to do, and is explained in the receiver
instructions, which follow.

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