ClearOne CHAT 150 User Manual
CHAT® 150 | CHATAttach® 150 - Group Speakerphone
USER’S MANUAL
Telephone 1.800.283.5936
FAX 1.801.974.3669
E-mail tech.support@clearone.com
On the Web www.clearone.com
CHAT 150 | CHATAttach 150 USER’S MANUAL
CLEARONE PART NO. 800-156-201, July 2014, Rev. 2.8
© 2014 ClearOne Inc. All rights reserved. No part of this document
may be reproduced in any form or by any means without written
permission from ClearOne. ClearOne reserves specific privileges.
Information in this document is subject to change without notice.
U.S. PATENTS: D539,274; D556,189; D531,999.
OTHER PATENTS PENDING.
Table of ConTenTs
CHAPTER 1: INTRODUCTION
PRODUCT OVERVIEW .............................................................. 1
Service and Support ............................................................. 1
Technical Support .................................................................1
Sales and Customer Service ................................................ 1
Product Returns .................................................................... 1
UNPACKING ..............................................................................3
CHATAttach 150 USB Packout ............................................. 3
REPLACEMENT PARTS & ACCESSORIES ...............................4
CHATAttach Expansion Cable Packout ................................ 4
CHAT 150 CONFIGURATIONS .................................................4
CHAPTER 2: GETTING STARTED
CHAT 150 CONTROLS .............................................................5
LED InDIcators ....................................................................... 5
VoLumE anD mutE Buttons ....................................................... 5
HEaDsEt Button ...................................................................... 5
Vc BrEakout Box....................................................................5
INSTALLING THE CHAT SOFTWARE FOR WINDOWS ............6
CONNECTING THE CHAT 150 TO A PC .................................. 6
CONNECTING THE CHAT 150 TO EXTERNAL DEVICES ........ 7
connEctIng to a tELEpHonE .....................................................7
connEctIng to a VIDEo confErEncIng BrEakout Box (Vc BoB) .9
cHatattacH: connEctIng two cHat DEVIcEs ....................... 12
cHatattacH workIng moDEs................................................ 13
cHatattacH trouBLEsHootIng .............................................. 13
CHAPTER 3: CONFIGURING THE CHAT 150
CONFIGURING YOUR CHAT 150 ...........................................14
DEVICE SETUP ....................................................................... 14
MY DEVICES ........................................................................... 16
OPTIMIZING SOUND QUALITY ..............................................16
Using with Pre-Defined Device Settings ............................. 16
Applying Audio Settings to the CHAT 150 .......................... 16
CHAPTER 4: USING THE CHAT APPLICATION
USING THE CHAT APPLICATION ...........................................17
Using A Third-Party Application .......................................... 17
UPDATE FIRMWARE & DATABASE ........................................18
Check for Firmware Updates .............................................. 18
MANUAL UPDATES ................................................................21
HELP ....................................................................................... 22
ADVANCED ............................................................................. 22
ADVANCED SETTINGS: AUDIO SETTINGS ........................... 23
ADVANCED SETTINGS: DATABASE....................................... 24
EDIT CUSTOM AUDIO SETTING ............................................ 26
ADVANCED SETTINGS: LOG .................................................26
CHAPTER 5: MAINTENANCE
CARING FOR YOUR CHAT 150 ..............................................27
TROUBLESHOOTING ............................................................. 27
INTERRUPTED FIRMWARE UPDATE RECOVERY .................28
CHAPTER 6: APPENDIX
SPECIFICATIONS .................................................................... 29
systEm rEquIrEmEnts ............................................................29
connEctIons ......................................................................... 29
controLs .............................................................................. 29
auDIo .................................................................................... 29
EnVIronmEntaL ....................................................................... 29
procEssIng ...........................................................................29
powEr................................................................................... 29
mEcHanIcaL ...........................................................................29
compLIancE ...........................................................................29
moDEL numBErs ....................................................................29
accEssory part numBErs ...................................................... 29
EUROPEAN COMPLIANCE .................................................... 30
WWW.CLEARONE.COM/RESOURCES/EURODOC.PHP ......30
FCC PART 15/ICES-003 COMPLIANCE..................................30
FCC PART 15.19(A) (3) COMPLIANCE ...................................30
WARRANTY ............................................................................. 30
CHAPTER 1: INTRODUCTION
PRODUCT OVERVIEW
Thank you for purchasing the ClearOne CHAT 150 group speakerphone. The CHAT 150 is a speakerphone for individual
or small group use. The CHAT 150 connects to telephones, PCs, and video conferencing systems for rich, full-duplex
audio communications.
You can use the CHAT 150 with a variety of devices and applications, including:
• Enterprise telephones, such as Avaya, Cisco, and others
• Video conferencing systems, such as Tandberg, Sony, Polycom, and others
• Internet telephony applications, such as Skype and Vonage
• VoIP softphones, such as Avaya, Cisco, CounterPath, and others
• Web conferencing, such as IBM/Lotus Workplace, Microsoft Live, and others
• Instant messaging applications with voice
• Audio playback, such as iTunes, Quicktime and others
Service and Support
If you need additional information on how to set up or operate your CHAT 150 group speakerphone, please contact us.
We welcome and encourage your comments so we can continue to improve our products and better meet your needs.
Technical Support
Telephone: 1.800.283.5936 (USA)
Fax: 1.801.977.0087
E-mail: tech.support@ClearOne.com
Web site: www.ClearOne.com
Sales and Customer Service
Telephone: 1.800.945.7730 (USA) or 1.801.975.7200
Fax: 1.800.933.5107 (USA) or 1.801.977.0087
E-mail: sales@ClearOne.com
Product Returns
All product returns require a return material authorization (RMA) number. Please contact ClearOne Technical Support
before attempting to return your product. Make sure you return all the items that shipped with your product.
Chapter 1: Introduction 1
IMPORTANT SAFETY INFORMATION
Read the safety instructions before using this product. This personal speaker phone is not designed for making
emergency telephone calls when the power fails. You must make alternative arrangements for telephone access to
emergency services.
• Read and understand all instructions. Follow all warnings marked on the product.
• Unplug the product from the outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use only a damp
cloth for cleaning.
• Do not use this product in or near water, for example, near a bathtub, kitchen sink, or swimming pool.
• Place this product on a flat, level, dry surface for ongoing operation.
• Never place product near heat radiators or registers. Allow adequate ventilation for heat dissipation.
• This product should only be operated using a power source specified on the product label. If you are not sure about
the power source at your location, consult your dealer or local power company.
• Do not overload wall outlets and extension cords; this can cause fires or electric shock.
• Never spill liquid on or into the product.
• Do not disassemble this product. Opening or removing covers can expose you to dangerous voltages and other
risks. Incorrect reassembly can cause electric shock during subsequent use. Disassembly voids the warranty.
• Unplug the product from the outlet and contact a qualified service technician under the following conditions:
a. When the power supply cord or plug is damaged or frayed.
b. If liquid has been spilled into the product.
c. If the product does not operate normally by following the operating instructions.
d. If the product has been dropped or damaged.
e. If the product exhibits a distinct change in performance.
• Avoid telephones during an electrical storm. There is a risk of electric shock from lightning.
• Do not use this product to report a gas leak in the vicinity of the leak.
• This product can interfere with electrical equipment such as answering machines, TV sets, radios, computers and
microwave ovens. Do not place the product in close proximity to any of these devices.
• Use only applicable up to 2000m altitude.
• Use only applicable in non-tropical climate conditions
2 Technical Support: 800.283.5936
AVIS: RISQUE DE CHOC
ELECTRIQUE - NE PAS OUVRIR
Save these instructions
UNPACKING
The illustration below shows the parts that ship in the box with each model of the CHAT 150. Contact your dealer for
replacement parts and accessories.
CHATAttach 150 USB Packout
> NOTE: ClearOne is not responsible for product damage incurred during shipment. You must make
claims directly with the carrier. Inspect your shipment carefully for obvious signs of damage. If the
shipment appears damaged, retain the original boxes and packing material for inspection by the carrier.
Contact your carrier immediately.
To ensure safety and regulatory compliance, only use the power supply provided with your CHAT 150. Approved power
supplies include: Glob Tek Model: GT- 41052-1509, and Phihong Model: PSA05R-090. If your power supply is lost or
damaged, contact ClearOne Technical Support for an approved replacement.
Chapter 1: Introduction 3
REPLACEMENT PARTS & ACCESSORIES
The illustration below shows all parts and accessories available for the CHAT 150. Contact your dealer for replacement
parts or accessories.
CHATAttach Expansion Cable Packout
CHAT 150 CONFIGURATIONS
The CHAT 150 comes in several configurations, as shown below. The CHAT 150 group speakerphone itself is the same
in all configurations; different accessories have been packaged with the unit to enable a variety of connections. All CHAT
150 units have a mini-USB port, so every configuration can connect to a PC.
Configuration Usage Profile
CHAT 150 for Avaya & Cisco
Telephone Handsets)
CHAT 150 USB
CHAT 150 VC Connects to any video conferencing system for full-duplex speaker phone capability.
4 Technical Support: 800.283.5936
Connects to the headset jack of the Avaya or Cisco handset for full-duplex speaker
phone capability.
Connects to the USB port of a PC (or laptop) for use with softphones, internet
telephony applications, web conferencing, instant messaging with audio, etc.
CHAPTER 2: GETTING STARTED
MUTE ST
CHAT 150 CONTROLS
ATUS INDICATOR
VOLUME STATUS
INDICATOR
VOLUME DOWN
MUTE STATUS INDICATOR
MUTE STATUS INDICATOR
VOLUME UP
MUTE
LED Indicators
The three microphone LED indicators illuminate blue when the CHAT 150 microphones are active (unmuted). The
indicators illuminate red when the CHAT 150 microphone mute function is active. The seven volume LED indicators
illuminate blue to indicate the current volume setting—more lights indicate higher volume.
Volume and Mute Buttons
Use the Volume Up/Down buttons to adjust the volume level of the CHAT 150. Use the Mute button to mute the
CHAT 150’s microphones until the button is pressed again.
If you are using the CHAT 150 with a PC, you can also use the volume controls in Windows or in the CHAT software
application to make these adjustments.
> NOTE: If your CHAT 150 is connected to a PC, any changes you make to volume by pressing the CHAT
150’s buttons are reflected in the Speaker Volume Control in Windows and in the CHAT software.
Headset Button
Press the Headset button on the Phone Breakout Box to send audio from your phone to your headset connected to the
CHAT 150 Breakout Box. This will also disable audio going from the Breakout Box to the CHAT 150 — it is routed strictly
to the headset. The phone breakout box LED indicator illuminates indicating that the headset audio is activated and the
CHAT 150 LED indicators will remain lit. The audio is no longer routed to the CHAT 150 from the Breakout Box (USB
audio is still active). Press the Headset button again to disable the headset audio and reactivate the audio from the
Breakout Box to the CHAT 150. The LED dims out to indicate the change.
VC Breakout Box
Once you have properly connected the CHAT 150 VC Breakout Box to your video conferencing device and TV using the
included RCA Connection Cable, all settings changes such as mute, microphone and speaker level adjustments, etc.,
are controlled through the CHAT 150 software. The Breakout Box itself has no buttons and no functionality for making
settings changes. The LED indicates that the device has power.
Chapter 2: Getting Started 5
INSTALLING THE CHAT SOFTWARE FOR WINDOWS
> NOTE: The install procedure is the same for all versions of Windows XP, Windows Vista and Windows 7
operating systems.
The CHAT 150 can be used right out of the box and there’s no software to download or install if it is to be used only with
a PC.
The following procedure can be used to download and install the CHAT software for the CHAT 150 if it is to be used with
other devices or if the CHAT 150 firmware requires updates.
1. Download the CHAT software by accessing the following:
http://www.clearone.com/resources#uc_voice
2. Select your device from the “BY PRODUCT” window and click SEARCH and the screen will display only those
downloads available for your specific device. Select the latest version of the CHAT 50/150 Software and the system
will display a confirmation window for the software to be downloaded to your computer.
3. Unzip the downloaded folder and run Setup.exe to begin the installation process.
4. Follow the on-screen prompts to complete the software installation.
When the CHAT software installation is complete, start the CHAT software by double-clicking the ClearOne CHAT icon
that is now on your Windows desktop, or by clicking:
(Start > All Programs > ClearOne Communications > CHAT > ClearOne CHAT).
Before using the CHAT 150 for the first time, proceed with the audio settings configuration procedure
located in Chapter 4 under the Advanced section of this manual. This will ensure optimal sound quality
for each device and application you plan to use with the CHAT 150.
CONNECTING THE CHAT 150 TO A PC
1. Using the included USB cable, connect the CHAT 150 to your PC or laptop. The blue LED indicators on the CHAT
150 illuminate, indicating that the CHAT 150 is powered and ready for use.
6 Technical Support: 800.283.5936
CONNECTING THE CHAT 150 TO EXTERNAL DEVICES
Connecting to a Telephone
ClearOne provides configurations of the CHAT 150 that make it possible to connect your CHAT 150 to enterprise
telephone handsets from Cisco and Avaya (see CHAT 150 Configurations in the Introduction to this manual). The
CHAT 150 phone Breakout Box is the interface between the CHAT 150 and the particular telephone.
1. Using the included 25’ RJ-45 cable, connect the Phone Breakout Box to your CHAT 150.
2. Using the included 2’ RJ-9 telephone cable, connect the Phone Breakout Box’s phone jack to your telephone’s
headset jack
DO NOT plug the cable into the telephone’s line jack, handset jack, or a telephone different from that
listed on the bottom of the Phone Breakout Box as damage to the telephone and/or CHAT 150 might
occur.
Chapter 2: Getting Started 7
3. If you have a headset that you typically use with your telephone, connect it to the headset jack on the CHAT 150
Phone Breakout Box.
4. Slide the correct power supply clip for your country into the included power supply. The power supply may contain a
plastic shield that must be removed before inserting the clip.
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5. Using the included power supply, connect the CHAT 150 Phone Breakout Box to a power outlet.
6. The blue LED indicators on the CHAT 150 illuminate, indicating that the CHAT 150 is powered and ready for use.
7. Next, connect the CHAT 150 to your PC. This will allow you to use the CHAT software to configure the CHAT 150 for
use with your enterprise telephone. Refer to Connecting the CHAT to a PC section at the end of this chapter.
> NOTE: Press the Headset button on the phone Breakout Box to send audio from your phone to your
headset connected to the CHAT 150 Breakout Box. This will also disable audio going from the Breakout
Box to the CHAT 150—it will only be routed to the headset. The phone Breakout Box LED indicator
illuminates indicating that the headset audio is activated. The CHAT 150 LED indicators remain lit,
although audio is not routed to the CHAT 150 from the Breakout Box (USB audio is still active). Press
the Headset button again to disable headset audio and reactivate audio from the Breakout Box to the
CHAT 150. The LED dims out to indicate the change.
Connecting to a Video Conferencing Breakout Box (VC BoB)
ClearOne provides configurations of the CHAT 150 that make it possible to connect your CHAT 150 to video
conferencing systems. The CHAT 150 VC Breakout Box is the interface between the CHAT 150 and the video
conferencing device. Once you have properly connected the CHAT 150 VC Breakout Box to your video conferencing
device and TV (using the included RCA connection cable) all settings changes such as mute, microphone and speaker
level adjustments, etc., are controlled trough the CHAT software application. The Breakout Box itself has no buttons and
no functionality for making settings changes. The LED indicates only that the device has power.
1. Using the included RJ-45 cable, connect the VC Breakout Box to your CHAT 150.
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Chapter 2: Getting Started 9
2. Using the included 6’ RCA cable, connect the CHAT 150 VC Breakout Box to both your video conferencing device
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and/or TV/monitor, as shown in the following illustration. The cable has two RCA connectors on one end, and five on
the other end, split into two groups with two and three connectors.
The end with two connectors goes to the VC Breakout Box. The blue connector connects to the Audio In port
(identified by the icon), and the black connector goes to the Audio Out port (identified by the icon).
On the other end of the cable, the group with the Red (Right) and White (Left or Mono) connector plugs into the
corresponding audio ports on your TV. This connection allows you to either use the speaker on your CHAT 150 for audio
from the far end, or alternatively you can use the speakers on the TV. See Advanced Settings: Audio Settings in
Chapter 4: Using The CHAT Application for details on using this option.
The group with three connectors goes to your video conferencing device. The Red (Right) and White (Left or Mono)
connectors go to the corresponding Audio Out ports. However, if your video conferencing device does not have left and
right audio out, but only has a single channel (mono), connect the white connector to send a mono audio signal to the
CHAT 150. The black connector is inserted into the Audio In port.
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3. Slide the correct power supply clip for your country into the included power supply. The power supply may contain a
plastic shield that must be removed before inserting the clip.
10 Technical Support: 800.283.5936
4. Using the included power supply, connect the CHAT 150 VC Breakout Box to a power outlet.
5. The blue LED indicators on the CHAT 150 illuminate, and the LED power indicator on the VC Breakout Box
illuminates, indicating that the CHAT 150 is powered and ready for use.
6. Next, connect the CHAT 150 to your PC (or USB device). This will allow you to use the CHAT software to configure
the CHAT 150 for use with your video conference system. Refer to Connecting to a PC section earlier in this
chapter.
Chapter 2: Getting Started 11
CHATAttach: Connecting Two CHAT Devices
The CHATAttach makes it possible to connect two CHAT devices together for larger conference settings using the
CHATAttach accessory kit.
In order to use the CHATAttach accessory, the following criteria must be met:
1. Both CHAT devices must be the same model number - both CHAT 150, both CHAT 160 or both CHAT 170 devices -
mixing CHAT models using CHATAttach is not currently possible.
2. Both CHAT devices must have identical firmware versions installed. The firmware must be CHATAttach compatible.
To ensure this, download the latest version of the firmware from the Website and configure each device that will
be connected to the CHATAttach accessory with the latest firmware. All older CHAT 150 devices require firmware
updates in order to work with the CHATAttach accessory.
3. The CHAT device must be at least 5’ apart for best performance.
Use the following steps to connect the CHATAttach accessory.
1. Connect the two CHAT devices using the keyed CHATAttach cable.
2. Position the two CHAT 150 devices so they’re at least 5’ apart from each other.
3. Plug in the CHATAttach power supply.
To prevent the power cable from inadvertantly becoming unplugged before, during or after meetings, it
is recommended that the connector end of the cable be secured in some way. One approach is to knot
the male-female connection to prevent this from occurring as shown above.
A recommended professional approach to setting up a conference room utilizing the CHATAttach
accessory is to drill holes near where the CHAT devices will be placed, route the cabling through the
holes and secure them underneath the conference table as shown above.
4. Follow the instructions in the CHAT 150 User’s Manual to setup the CHAT device with a PC.
12 Technical Support: 800.283.5936
CHATAttach Working Modes
The following table outlines the CHATAttach working modes.
Mode # Mode Code Description Condition
1
2
3
Solid Red LED on both
CHAT devices
Solid Blue LED on both
CHAT devices
Single Blue Volume
light on both
CHAT devices
CHAT devices are in MUTE mode. Normal
CHAT devices are in UNMUTE mode. Normal
No PC attached. CHAT devices are in STAND-BY
mode and will WAKE-UP when a PC is reattached
to a device. All previous CHAT device settings will be
reinstated.
Normal
CHATAttach Troubleshooting
The following table describes issues that may occur and possible causes that may help identify and resolve problems
when using the CHATAttach accessory.
Error # Error Code Cause Resolution
1
2
3
4
Blinking Red LED’s on
both devices
Blinking Blue LED’s on
both devices
Blinking Red LED on a
single CHAT device
CHAT devices will not
synchronize
Firmware on CHAT devices support
CHATAttach but firmware versions are
not the same.
More than one PC connected at a time.
1. CHATAttach Power Supply not
plugged in
2. Only one CHAT device supports
CHATAttach
3. Only one CHAT device connected
to CHATAttach
The firmware on both devices does not
support the CHATAttach accessory.
Download and install the latest
firmware onto both CHAT devices
Connect ONLY one PC to the
CHAT device
1. Plug the CHATAttach Power
Supply into an active power
recepticle
2. Download and install the
latest firmware onto both
CHAT devices
3. Connect both CHAT devices to
the CHATAttach accessory
Download and install the latest
firmware onto both CHAT devices
> NOTE: Connecting the CHATAttach prevents the ability to connect external devices as the USB ports
are occupied by the CHATAttach cable.
Chapter 2: Getting Started 13
CHAPTER 3: CONFIGURING THE CHAT 150
CONFIGURING YOUR CHAT 150
This section describes how you configure your CHAT 150 for the specific devices you are connecting to. The CHAT
software contains a database of pre-configured device settings that allows you to instantly select and apply optimal
settings for supported devices.
> NOTE: From time to time, ClearOne adds additional devices to the database. To update your CHAT
software to include all currently supported devices, see the Update Firmware & Database section
later in this chapter.
If the specific device you are using with the CHAT 150 is not listed in the database, you can create a custom device by
following the instructions described later in this chapter.
DEVICE SETUP
To configure the CHAT 150 for your devices, perform the following steps:
1. Using the included USB cable, connect the CHAT 150 to your PC or laptop. The blue LED indicators on the CHAT
150 illuminate, indicating that the CHAT 150 is powered and ready for use.
2. Start the CHAT software by double-clicking the ClearOne CHAT icon on your desktop, or by launching the
application from your PC’s Start menu.
The main screen of the CHAT software will be displayed.
14 Technical Support: 800.283.5936
3. Click Device Setup from the buttons on the left. The Device Setup screen appears displaying the general types of
devices you can configure for use with the CHAT 150.
4. From the Select 1st column, select the type of device you are connecting to the CHAT 150.
5. In the Select 2nd column, select the manufacturer of your device. If you are selecting PC and Laptop, select All. If
you are connecting to a VC Breakout Box and your manufacturer is not listed, select Other.
6. Select the model of the device from the list in the Select 3rd column. If you selected PC and Laptop, select All. If
you selected VC Breakout Box and the specific model number is not listed, select Other.
7. Once all three selections have been made, the Add to My Devices and Apply to CHAT buttons at the bottom of
the screen will become active.
8. When you are satisfied with your selections in all three columns, click the Apply to CHAT button to apply these
settings to the CHAT 150. A message will appear indicating that the settings were successfully applied to your CHAT
150.
9. Click the Add to My Devices button and an entry containing these settings will be created in the My Devices
screen allowing you to instantly select and apply this configuration in the future. A message will appear indicating
that the device was successfully added.
10. Repeat steps 1 through 8 for any additional devices you will be using with your CHAT 150.
To ensure optimal sound quality, you need to customize the CHAT 150’s audio settings for every
application and device you will use. Refer to the tuning procedures provided in the Optimizing Sound
Quality section that follows.
Chapter 3: Configuring the CHAT 150 15
MY DEVICES
My Devices displays all of the devices that you have configured for use with your CHAT 150. This screen allows you to
easily switch between settings for your listed devices, including any saved custom configurations, if you have created
custom audio settings for your device (see Advanced Settings: Database later in this chapter for more information on
saving custom settings).
Select the device you wish to use with your CHAT 150, and click the Apply to CHAT button to apply the audio settings
to your CHAT 150.
To remove a device from your list of My Devices, select the device from the list and click the Remove from My
Devices button. Note that this only removes the device from the My Devices list. It does not remove it from the device
database (see the Advanced: Database section later in this chapter for more information.)
OPTIMIZING SOUND QUALITY
For optimal sound quality, you must adjust the CHAT 150’s audio settings for each device and application you will be
using as described in the procedures below.
> NOTE: The volume settings in the CHAT software are synchronized with the Windows volume settings.
Changing the volume using the CHAT software or the buttons on the CHAT 150 also changes the
volume settings in Windows. Conversely, changing the volume settings in Windows will change the
settings in the CHAT software.
Using with Pre-Defined Device Settings
The pre-defined device settings available in the CHAT application will provide good sound quality for many of the most
popular devices used with the CHAT 150. If you used the procedure in the previous section to configure the CHAT 150’s
settings for one of these devices, test the sound quality before performing any additional tuning. If you are satisfied with
the sound quality, no further adjustments are necessary.
Applying Audio Settings to the CHAT 150
Select the device you wish to use with the CHAT 150, then click the Apply to CHAT button to apply the custom audio
settings.
16 Technical Support: 800.283.5936
CHAPTER 4: USING THE CHAT APPLICATION
USING THE CHAT APPLICATION
1. If not already open, start the CHAT application.
2. Click the My Devices button and select the device you want to tune (select the Other or All option if your device/
application is not listed), then click the Apply to CHAT button.
3. For external hardware devices, connect the device to the CHAT 150 using the appropriate connection diagrams
located in Chapter 2: Getting Started.
4. Adjust the speaker and volume settings on the external device or in the application to 50% (half volume).
5. Click the Advanced button to display the pre-defined audio settings for the device you selected in step 2. Use
the USB Audio section of the screen to tune applications; use the Line Audio section to tune external hardware
devices connected to the CHAT 150 breakout box.
> NOTE: In the Advanced screen, adjusting Microphone Level under USB Audio changes the CHAT
150 microphone volume for USB applications, while adjusting the Output Level under Line Audio
changes the microphone volume being sent to the device connected to the CHAT 150’s line audio jack.
Likewise, adjusting Speaker Level under USB Audio changes the CHAT 150 speaker volume, while
adjusting the Input Level under Line Audio changes the speaker volume being received from the
connected device.
6. Place a call using the device or application. Land lines provide the best audio for tuning purposes.
7. Ask the person on the other end of the call to count from 1 to 10 in a normal voice. While the person is counting,
click and move the Input slider in the CHAT application until the caller’s voice can be clearly heard. Repeat as
needed to find the optimal speaker volume for the device.
8. While the caller is still connected, count from 1 to 10 in a normal voice. Ask the caller if they can hear you clearly.
Click and move the Output slider until the caller can hear you clearly. Repeat the test count as needed to find the
optimal microphone volume for the device.
9. Click Save to Database to capture the optimized settings. The Add Settings to Database dialog appears. Enter
appropriate name in the Model field, then click the Save to Database button.
10. The optimal audio settings for the device or application are now ready for use. Repeat steps 1 through 9 for any
additional devices and applications.
To switch between audio settings for different devices and applications, click the My Devices button, select the desired
device or application, then click the Apply to CHAT button. The audio settings are instantly applied for the chosen
device or application.
Using A Third-Party Application
If you are using the CHAT 150 with an application other than CHAT−such as Cisco Communicator or Skype - ClearOne
recommends using the tuning wizard or audio configuration controls in that application to adjust audio settings. If the
application does not have a tuning wizard or audio settings, use the CHAT application to tune audio settings for optimal
sound quality as explained in the previous section. Audio setup information can also be found for the CHAT Application
in the next few pages.
Chapter 4: Using the Chat Application 17
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