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INTRODUCTION
VORTEX EF2211/EF2210 Reference Manual 2 Technical Support: 800.932.2774
I
NTRODUCTION
Welcome Congratulations on your purchase of the Vortex EF2211/EF2210!
How to Use This
Manual
This is a reference manual for your EF2211/EF2210. Information specific to the
EF2211 or EF2210 will be noted as such. The major difference between the EF2211
and the EF2210 is that the EF2210 does not have a phone interface.
This manual is structured to provide the information you need quickly and conve-
niently. The following is an overview of each section:
Introduction
Pre-Installation includes information about the contents of the box, tools needed
for installation and front and rear panel descriptions.
Installation covers connections of inputs/outputs and calibration of inputs of the
EF2211/EF2210.
Integrating the Unit Into Your System describes adjustments to take into consid-
eration when integrating the EF2211/EF2210 with surrounding equipment in
your system.
•LCD Menu Structure describes an overview of the LCD menu structure and also
gives a system overview of features and options available.
Troubleshooting helps to debug problems with installation.
Technical Specifications provides the technical specifications of the EF2211/
EF2210.
Conference System Design gives suggestions on topics to consider when design-
ing your system.
EF2211/EF2210 Block Diagram shows the inside of the EF2211/EF2210.
Connector Pinouts shows pinout diagrams for EF2211/EF2210 input and output
connectors.
Warranty Information
Definition of Terms explains terms used in this manual, as well as terms used in
our technology of echo cancellation, noise cancellation, and audio conferencing.
About the
EF2211/EF2210
The EF2211/EF2210 features industry-leading acoustic echo cancellation technology,
which keeps received audio from being re-transmitted to its original location, and pat-
ented noise cancellation algorithms which dramatically reduce ambient noise in the
audio sent to other sites without affecting speech quality.
Also included in the microphone input is a neural network Automatic Gain Control
that reacts only to valid speech patterns to bring voices within desired levels. AGC
controls are user-adjustable, as are settings for the 5-band parametric EQ offered on
all input and output channels in the EF2211/EF2210.
The EF2211 includes a telephone interface with ambient noise cancellation, which
can dramatically improve the receive audio quality on phone calls.
The EF2211/EF2210 may be programmed directly from the front panel, or through
our Conference Composer software (included), which programs the unit via RS-232.
The unit may additinally be controlled via external RS-232 devices.
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