The EU unit has a Alphanumeric standard keypad shorter range due to regulatory restrictions on power output in the 2.4 GHz frequency band Loudspeaker in the EU. Volume: 90dBspl A weighted @ 1 ft Bandwidth: 200 Hz–3.3 kHz Environmental Operating temperature: 32–118° F (0–48° C) Record Output Storage temperature: 41–158° F (5–70° C) Connector: 2.5 mm mono audio jack Operating humidity: 15 to 80% Impedance: <1000 ohms Storage humidity: 10 to 90% Bandwidth: 200Hz–3.3kHz Dynamic range: 60dB Dimension

. . . . . . . . . . . . . . . . . . . . . . . . . 1 Configuring and Testing Your Chat 150 . . . . . . . . . . . . . . . . . . . . . 2 Connecting Chat 150 to a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connecting Chat 150 to a Telephone. . . . . . . . . . . . . . . . . . . . . . . 8 Connecting Chat 150 to a Video Conferencing Device . . . . . . . . 13 Using The Chat 150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 QUICK START GUIDE INSTALLING THE CHA

MAX WIRELESS APPLICATIONS UNRIVALED WIRELESS Executive Office AUDIO QUALITY, Small Office/Home Office FLEXIBILITY AND Small Conference Room AFFORDABILITY Any Room Without a Phone Line MAX WIRELESS ADVANTAGES Superior Audio Performance + Distributed Echo Cancellation® effectively eliminates echo + Noise cancellation removes background noises from fans or HVAC systems + Full-duplex sound enables participants to speak and listen at the same time without cutting in and out + Automatic level controls

800-151-880 (REVISION 3.2) April 2009 © 2009 Clearone Communications, Inc. all rights reserved. Information in this document is subject to change without notice. other product names may be registered trademarks of their respective owners who do not necessarily endorse Clearone or Clearone’s products in the united states and/or other countries. Clearone Document: 800-151-880 revision 3.2 april 2009. Adobe® Flash® Copyright and Trademark Notice adobe® Flash® player. Copyright © 1996 –2009 adobe sy

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his/her own expense. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this d

> SPECIFICATIONS Echo Cancellation Power MAX Wireless Includes PART NUMBERS Tail time: 60 ms x 3 Phone unit: Wireless phone unit (1) Custom battery pack with nickel metal hydride Base unit (1) MAX Wireless (WDCT) Noise Cancellation batteries, 7.2 V 2200 mAh Battery pack (1) 910-158-400 (North America) Dynamic noise cancellation 12 hours continuous talk time (typical) Power supply/charger (1) 910-158-004 (South Korea) 36 hours standby Power supply retainer (1) 910-158-006 (Hong Kong/Singapore) Te

THD+N: <0.02% Dynamic Range: 100 dB (non A-weighted) Crosstalk <-91 dB re 20 dBu @ 20 kHz channel to channel Auto Mixer Parameters Number of Open Microphones (NOM) PA Adaptive Mode First Mic Priority Mode Last Mic Mode Maximum # of Mics Mode Ambient Level Gate Threshold Adjust Off Attenuation Adjust Hold Time Decay Rate Matrix Mixing Parameters 12 analog in/out 18 expansion bus in/out 8 assignable processing blocks in/out 4 assignable fader blocks in/out Assignable Processing Blocks Filters: All

~ 1825 Research Way, Salt Lake City, UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107 Table of Contents Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . Service and support . . . . . . . . . . . . . . . . . . . . . . . . . Product returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 GettingStarted . .

800-156-201. JANUARY 2007 (REV. 2.0) © 2007 ClearOne Communications, Inc. All rights reserved. No part of this document may be reproduced in any form or by any means without written permission from ClearOne Communications. Printed in the United States of America. ClearOne reserves specific privileges. Information in this document is subject to change without notice T TTABLE OF CONTENTS ABLE OF CONTENTSABLE OF CONTENTS CONTINUED CHAPTER 1: INTRODUCTION Product Overview. . . . . . . . . . . . . .

Command Form: DEVICE AAmB [value] Argument Type Channel Channel group group value unsigned Integer Size 1 1 2 Values see Groups and Channels 3 (m) 0 = off 1 = on 2 = toggle (null to query in text) units AARINGS – Number of Rings to Auto Answer On this command selects/reports the setting of the number of rings to auto answer. Command Form: DEVICE AARINGS [value] Argument Type Channel Channel group group value unsigned Integer Size 1 1 2 Values see Groups and Channels 17 (r) 2