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Manual ClearOne comm GT1524

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  • ClearOne comm GT1524 - page 1

    www .gentner .com Audio P roducts GT1524 Single Channel Echo Canceller ClearOne Communications ~ 1825 Research W ay , Salt Lake City , UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107 Installation & Operation Manual ...

  • ClearOne comm GT1524 - page 2

    GT1524 Single Channel Echo Canceller Installation & Operation Manual ...

  • ClearOne comm GT1524 - page 3

    ii T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 © 2002 ClearOne Communications, Inc. All rights reser ved. No part of this document may be reproduced in any form or by any means without written permission from ClearOne Communications, Inc. Printed in the United States of America. ClearOne Communications reser ves specific pri ...

  • ClearOne comm GT1524 - page 4

    iii T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GT1524 Installation and Operation Manual T able of Contents CHAPTER 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Professional Service ...

  • ClearOne comm GT1524 - page 5

    iv T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 APPENDICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 Appendix B: Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • ClearOne comm GT1524 - page 6

    T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 CHAPTER 1: Introduction The GT1524 provides the highest possible audio quality available in a single channel echo canceller . It features an integrated telephone inter face that enables telephone participants of an audio or video conference to sound as if they are actually in the sa ...

  • ClearOne comm GT1524 - page 7

    Introduction ~ Professional Services Group 2 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 If you need any additional information on how to install, set up, or operate your system, please contact us at one of the locations listed below . We welcome and encourage your comments so we can continue to improve our products and ser v ...

  • ClearOne comm GT1524 - page 8

    3 Introduction ~ Unpacking T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Ensure that the following items were received with your shipment: F ront panel A. LCD window . The two-line, 16-character-per -line LCD display is used for the GT1524 setup. Level adjustments are made through a menu system and four front-panel buttons [B]. ...

  • ClearOne comm GT1524 - page 9

    Introduction ~ Controls and Connections 4 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 C. LED Meter. The LED bar meter displays the audio level of any input or output of the GT1524 as well as the Echo R eturn Loss (ERL) and Echo R etur n Loss Enhancement (ERLE) between the Speaker/Line Out and the Mic/Line audio input channel. ...

  • ClearOne comm GT1524 - page 10

    5 Introduction ~ Operational Requirements T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 E. RS-232. This female DB-9 serial port is for interconnection between the GT1524 and a PC or custom remote control. See Appendix C for serial port commands. F. Control/Status. This female DB -25 connector is used to inter face parallel cont ...

  • ClearOne comm GT1524 - page 11

    6 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ...

  • ClearOne comm GT1524 - page 12

    T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 This chapter provides step-by-step instr uctions for installing your GT1524 system. Figure 2.1 (below) shows the back panel connections of a fully-installed GT1524 system. Connecting the unit The power cord should be connected last. Other wise, the order in which you connect the cab ...

  • ClearOne comm GT1524 - page 13

    Installation ~ LCD Programming 8 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 5. Use the RS-232 port to connect the GT1524 to a PC (for use with HyperT er minal), an AP IR R emote Control, or a custom remote control device. 6. Connect an external amplifier or sound reinforcement system to Line Out. Use Aux Out to connect recor ...

  • ClearOne comm GT1524 - page 14

    Pressing ESC at the top of the tree has no effect. 9 Installation ~ LCD Programming T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 appropriate menu. Then press Enter . T o descend a menu level (go deeper into the tree), press Enter . T o ascend a menu level (go back toward the top of the tree), press ESC. The Meter button will a ...

  • ClearOne comm GT1524 - page 15

    Installation ~ LCD Programming 10 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 V e r s i o n x.x Ou t pu t s In p u ts Sys t em ClearOne GT1 524 Mic/Line In Aux In From T elco 4 Wire In Spkr/ Line Out T o T elco 4 Wire Out Lock Panel Set Passcode T elco RS232 Output T o ERL/TERL ERLE/TERLE Gain Adjust Mic/Line Input Mute Phant ...

  • ClearOne comm GT1524 - page 16

    11 Installation ~ LCD Programming T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Inputs There are four main submenus under the Inputs menu tree: Mic/Line In, Aux In, 4 Wire In, and From T elco (see Figure 2.7). Mic/Line In Gain Adjust. This adjusts the Mic/Line In submenus, including the level for the Input gain (ranging between ...

  • ClearOne comm GT1524 - page 17

    Installation ~ LCD Programming 12 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AGC. The input can use automatic gain control (AGC). This feature keeps sof ter and louder talkers at a consistent transmit level. This feature is disabled when shipped from the factor y . The target gain is 0dB and adjusts at 2dB per second. The AG ...

  • ClearOne comm GT1524 - page 18

    13 Installation ~ LCD Programming T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T o lock the front panel 1. Enter the System menu 2. Scroll through the menu items to select Lock P anel , and press Enter . 3. Select On , and press Enter again. T o unlock the front panel 1. Attempt to adjust a parameter . The GT1524 prompts you f ...

  • ClearOne comm GT1524 - page 19

    Installation ~ LCD Programming 14 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Ring Indication. An audible ring indicator , sent to the P A output, can be enabled or disabled under this menu. Unit ID Number The Unit ID # allows you to view the read-only unit address set at the factor y . This unique ID number identifies that p ...

  • ClearOne comm GT1524 - page 20

    T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A correctly installed GT1524 virtually r uns by itself . T ypical operations involve changing volume of an output, muting an input or output, or handling calls on the connected telephone handset. For most installations, a custom remote control (optional) is also used. Controlling vo ...

  • ClearOne comm GT1524 - page 21

    Operation ~ F ront Panel Control 16 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Answering a call An incoming call rings on the telephone set connected to the GT1524 (and speaker , if one is connected to the GT1524) and causes the On LED to flash. There are four ways to answer an incoming call: T o answer a call Y ou can answe ...

  • ClearOne comm GT1524 - page 22

    17 Operation ~ Custom Control T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Custom controller options The GT1524 is designed to function with remote control systems. The controller is connected to the GT1524 through the RS-232 port. The AP IR R emote also functions with the GT1524. Y ou can per for m all actions through the cus ...

  • ClearOne comm GT1524 - page 23

    18 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ...

  • ClearOne comm GT1524 - page 24

    T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Dimensions (LxDxH) 17.25" x 10.25" x 1.75" 43.8 x 26 x 4.5 cm W eight 7 lb/3.18 kg dr y 12 lb/5.4 kg shipping Operating T emperature 32 to 100° F/0 to 38° C Humidity 15% to 80%, non-condensing P ower Input Range Auto-adjusting 100–240V AC; 50/60Hz P ower Consumpti ...

  • ClearOne comm GT1524 - page 25

    Appendix B ~ Pinouts 20 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 All commands are momentary . Appendix B: Pinouts RS-232 COM DCE port pinout (female) Pin Number Control Pin Number Control 1 DCD 6 DSR 2 TXD 7 CTS 3 RXD 8 R TS 4 DTR 9 No connection 5 Ground 1 5 6 9 Figure B.2. RS-232 connector Control/Status port pinout (fem ...

  • ClearOne comm GT1524 - page 26

    21 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 The GT1524 accepts serial commands through the serial port. The commands in this manual pertain only to the GT1524. RS-232 serial port protocol is 9,600 (default), 19,200, or 38,400 baud; 8 bits, 1 stop bit, no parity . Conventions The following typog ...

  • ClearOne comm GT1524 - page 27

    Appendix C ~ Serial Commands 22 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 GT1 524 Serial Commands Command Function AA Selects/Reports Auto Answer for T elco P ort AD Selects/Reports Auto Disconnnect for T elco P ort AGC Enables/Disables AGC† AUXMIX Enables/Disables Mic/Line In and Aux In to Aux Out BAUD Sets/Reports RS-23 ...

  • ClearOne comm GT1524 - page 28

    23 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 AA This command activates and deactivates the auto answer feature. Command form: AA <X> Explanation Va l u e 0 = Disables auto-answer 1 = Enables auto-answer 2 = T oggles between states (regardless of cur rent state) Null = R eports back the cur ...

  • ClearOne comm GT1524 - page 29

    Appendix C ~ Serial Commands 24 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 A UXMIX This command changes or reports back the state of the Aux Mix Out. Command form: AUXMIX <CH> <X> Explanation Channel 1 = Mic/Line In, 2= Aux In V alue 0 = Sets state to Off , 1 = Sets the state to On Return values The command will ...

  • ClearOne comm GT1524 - page 30

    25 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 DIAL This command generates DTMF tones. This capability remains active af ter the call is placed so tones can be issued for use with voice mail and pagers. Command form: DIAL <STRING> Explanation STRING is any valid combination of touch tone cha ...

  • ClearOne comm GT1524 - page 31

    Appendix C ~ Serial Commands 26 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 FL OW This command selects or reports whether hardware flow control is enable or disabled for the GT1524. Hardware flow control is implemented using R TS and CTS. Command form: FL OW <X> Explanation V alue 0 = Sets flow control to Off 1 = Sets f ...

  • ClearOne comm GT1524 - page 32

    27 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Example The following command lowers the gain 3dB on the Mic/Line input channel. GAIN 1 I -3 HOOK This command sends a momentar y interr uption in the line seizure (hook flash) to the telephone line. Command form: HOOK Return values If hook flash succ ...

  • ClearOne comm GT1524 - page 33

    Appendix C ~ Serial Commands 28 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 LV L This command reports back the level for a given channel. Command form: LV L <CH> <X> Explanation Channel 1 = Mic/Line Input, Line Output 2 = Aux Input, Aux Output 3 = 4 Wire Input, 4 Wire Output 4 = T elco Input, T elco Output V alue ...

  • ClearOne comm GT1524 - page 34

    29 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 MUTE This command changes or reports the state of mute for a given channel. Command form: MUTE <CH> <X1> <X2> Explanation Channel 1 = Mic/Line Input, Line Output 2 = Aux Input, Aux Output 3 = 4 Wire Input, 4 Wire Output 4 = T elco In ...

  • ClearOne comm GT1524 - page 35

    Appendix C ~ Serial Commands 30 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 PP This command changes or reports back the state of the phantom power for a microphone. Command form: PP <X> Explanation V alue 0 = Sets the state to Off 1 = Sets the state to On Null = R etur ns the cur rent state Return values The command wil ...

  • ClearOne comm GT1524 - page 36

    31 Appendix C ~ Serial Commands T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 T AMODE This command controls or reports the T elephone Adapt Mode control of the unit. Command form: TAMODE <X> Explanation V alue 0 = Sets T elephone Adapt Mode to Auto 1 = Sets T elephone Adapt Mode to Burst Null = R eports back the cur rent ...

  • ClearOne comm GT1524 - page 37

    Appendix C ~ Serial Commands 32 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 TOUT This command sets or reports the current inactivity timeout before retur ning to the menu screen used by the unit. Command form: TOUT <X> Explanation V alue 0 = Disables inactivity timeout 1–15 = Sets the number of minutes specified Null ...

  • ClearOne comm GT1524 - page 38

    33 Appendix D ~ W ar ranty T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 ClearOne Communications, Inc. (Manufacturer) warrants that this product is free of defects in both materials and workmanship. Should any part of this product be defective, the Manufacturer agrees, at its option, to: A. R epair or replace any defective part ...

  • ClearOne comm GT1524 - page 39

    Appendix E ~ Compliance 34 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 Manufacturer shall not be liable for punitive, consequential, or incidental damages, expenses, or loss of revenue or property , inconvenience, or interr uption in operation experienced by the end user due to a malfunction in the purchased product. No warra ...

  • ClearOne comm GT1524 - page 40

    35 Appendix E ~ Compliance T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 USOC Jacks: This device uses RJ11C and RJ21X terminal jacks. The REN is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the telephone line may result in the devices not ringing in response to an inc ...

  • ClearOne comm GT1524 - page 41

    Appendix E ~ Compliance 36 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility , telephone lines and internal metallic water pipe system, i ...

  • ClearOne comm GT1524 - page 42

    37 Index ~ A–R T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 4 Wire In 4, 8, 19 4 Wire Out 4, 8, 12, 19 A acoustic echo cancellation 1 AGC 11, 12 answering a call 16 AP IR R emote 8 auto-answer 13, 16 auto-disconnect 13, 16 Aux In 4, 11, 19 Aux Out 4, 8, 12, 19 Aux Out Mix 12 B baud 13 C call progress 13 control/status 5, 7, ...

  • ClearOne comm GT1524 - page 43

    Index ~ S–Z 38 T echnical Ser vices Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760 S serial commands 21 set passcode 12, 13 speaker 5, 8 Speaker/Line Out 12, 19 system 12, 13 T technical support 2 telco 12, 13, 19 telco echo cancellation 1 T elco Line 5, 19 T elco Set 5, 19 telephone handset 16 TERL 4, 14 TERLE 4, 14 timeout 14 To Te l c o 1 2 tou ...

  • ClearOne comm GT1524 - page 44

    www .gentner .com Audio P roducts GT1524 Single Channel Echo Canceller ClearOne Communications ~ 1825 Research W ay , Salt Lake City , UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107 Installation & Operation Manual ...

Manufacturer ClearOne comm Category SONAR

Documents that we receive from a manufacturer of a ClearOne comm GT1524 can be divided into several groups. They are, among others:
- ClearOne comm technical drawings
- GT1524 manuals
- ClearOne comm product data sheets
- information booklets
- or energy labels ClearOne comm GT1524
All of them are important, but the most important information from the point of view of use of the device are in the user manual ClearOne comm GT1524.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals ClearOne comm GT1524, service manual, brief instructions and user manuals ClearOne comm GT1524. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product ClearOne comm GT1524.

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A complete manual for the device ClearOne comm GT1524, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use ClearOne comm GT1524 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of ClearOne comm GT1524.

A complete ClearOne comm manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual ClearOne comm GT1524 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the ClearOne comm GT1524, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the ClearOne comm GT1524, that we can find in the current document
3. Tips how to use the basic functions of the device ClearOne comm GT1524 - which should help us in our first steps of using ClearOne comm GT1524
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with ClearOne comm GT1524
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of ClearOne comm GT1524 in a specific country, if it was not possible to solve the problem on our own.

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