Off | Polycom EF2241 guide

INSTALLATION

whichever preset you want to come up after power up). The unit will need to be con- figured for your system.

PROGRAM PARAMETERS	FACTORY DEFAULT PRESET VALUE

SYSTEM PARAMETERS

Preset	0

Device ID	0

AUTOMIX PARAMETERS

Chairman Mode	Off

Decay Time	1000 ms

Hold Time	500 ms

Last Mic On Mode	On (on Automixer 1)

Max NOM per Automixer	4

Off Attenuation	-15 dB

INPUT CHANNELS

Acoustic Echo Cancellation	On

Automatic Gain Control (AGC)	On

AGC Rate	1 dB/s

AGC Max Gain	3 dB

AGC Min Gain	-3 dB

Automixer	1

Echo Canceller Reference	Ref1

Filtering	Off

Gate Priority	1

Adaptive Threshold	10 dB

Gate Threshold	Adaptive

Gating	Auto

VORTEX EF2241 Reference Manual

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Technical Support: 800.932.2774

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Polycom EF2241 manual Off

Contents

Vortex EF2241 Reference Manual Page Introduction Welcome How to Use This Manual Introduction Product Product FeaturesProduct Registration Inputs Outputs Remote Control What’s Included PRE-INSTALLATIONTools Needed for Installation What’s Not Included EF2241 Front and Rear Panels PRE-INSTALLATION Mounting the EF2241 InstallationConnecting the EF2241 to Other Equipment North American Requirement Typical EF2241 Connections Codec Connecting Multiple Vortex Devices Device IDS on the EF BUS Factory Default Settings Preset Terminating the EF2241 Off Check Surrounding Equipment Presets Multiple Vortex DevicesPick a Standard Signal Level Configure Program Audio Sources Calibration Input SettingsIntegrating the EF2241 Into Your System Set Levels on Line Input Channels Echo Canceller Reference for Multiple Vortex Devices SET UP the Phone InterfaceBuild Your Echo Canceller Reference Customize Setting for Your Particular Application Setting up Bus Reference Configure the Automatic Microphone Mixer Automixer Parameters Global Settings Automixer Settings for Multiple Vortex Devices Channel Settings Building Your System with Multiple Vortex Devices Configure the Matrix MixerDefault Settings Configure the submatrix Assign Inputs Assign Outputs EF BUS Configure Your Echo Canceller Reference PresetsOther EF2241 Features LCD Menu Structure LCD Menu Tree LCD Menu Structure System Menu System Phone Control Phone Control Inputs Inputs 1-4, T, A-D Outputs Automixer Menu Global Settings Mixer Settings Matrix Menu Matrix Parametric EQ Menu Input/Output EQ Channel Band Presets Macros No microphones are gating Some microphones are not gating TroubleshootingAutomatic Microphone Mixer Too many microphones are gating Residual Echo Echo Canceller ReferenceMatrix Mixer Room Audio Sounds Choppy Finding the Source of Echo Room Gain Excessive Room Gain Room Gain In-Conference Quick Check Excessive Microphone Amplification Insufficient Nonlinearity Contacting Technical Support Email vortex@polycom.com Technical Specifications US Telco requirements ComplianceUSA and Canada Automatic Dialing Telco Connector Canadian Telco Requirements Australia Rest of World This page was intentionally left blank CE Mark R& TTE Directive Vortex EF2241 Reference Manual Technical Support Conference System Design Noise and Reverberation Consider Room Gain EF2241 Block Diagram EN Echo Canceller, Noise Canceller Connector Pinouts EF Bus Input/Output Remote Control Port Instructions Connecting Unbalanced RCA to Balanced Mini PhoenixMaking AN EF BUS Terminator Additional Notes Warranty Information RMA# Must be on package What this warranty does not cover State Law Rights Acoustic Echo Echo CancellerDefinition of Terms Crosspoint Mix Minus Bus NOM Attenuation NOM Bus Presets Room Gain NOM Definition of Terms Index NOM Index Page 1725-80098-001-C