MXL Headphones AC 450 User Manual

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uCHAT  
Crystal clear audio  
on Skype, iChat & AIM  
Talk and walk” without  
uncomfortable headsets  
Ideal for speech to text  
recording and e-learning  
Model No. AC-406  
Connects to your computer’s  
USB port—PC and Mac  
 
Setup  
Introduction  
This microphone/speakerphone is a USB  
(Universal Serial Bus) device, meaning  
it’s a plug and play microphone that will  
interface with Windows and Macintosh  
computers without the need for any special  
drivers. The MXL uChat will operate with  
both USB 2.0 (high speed USB) and USB 1.1  
data buses. We recommend connecting your  
microphone directly to the computer’s USB  
port as opposed to using a USB hub as USB  
hubs can interfere with the performance of  
various USB devices.  
be used for additional microphones in a panel  
setting or to increase your degree of coverage.  
The MXL uChat also includes a handy mute  
button so your side of the conversation can be  
quickly muted.  
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ongratulations on your purchase of the MXL uChat. The MXL uChat connects to your  
Ccomputer’s USB port to give you two-way conferencing over the internet via Skype,  
AIM, iChat and other web conferencing software programs. The MXL uChat also includes a  
high quality electromagnetic speaker that can replace bulky computer speakers and delivers  
outstanding sound quality. Please read the following instructions carefully so you can  
experience the maximum benefits of this product.  
When headphones are plugged into the  
MXL uChat the speaker automatically  
mutes. The speaker will regain function as  
soon as the headphones are unplugged.  
The headphone jack accepts most head-  
phones; however, the maximum headphone  
volume will vary by manufacturer and  
model so care should always be exercised  
when first plugging in your headphone.  
Please note! MXL microphones are the result of world-class engineering and manufacturing capabilities and  
are designed to provide you with outstanding performance and exceptional value. Although Marshall MXL  
has tested the following applications at the time of manufacture, quality or results may vary by end user.  
In addition to the USB input, the MXL uChat  
includes a headphone output jack for private  
conversations and an extension jack that can  
Getting Started  
Extension  
Mic Input  
Minimum requirements:  
Getting Started  
USB  
Input  
PC or Mac with USB audio input  
In order to use the MXL uChat, you will  
need to have web conferencing software  
like Skype, AIM, or iChat installed on  
your computer. Many of these applications  
are free or low cost. Check the appropriate  
websites to download the latest version.  
Windows XP Home/Professional  
Windows Vista  
Headphone/  
line output  
Mac OSX 10.1 or later  
Web Conferencing software  
 
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Setup for Windows Operating System  
Setup with Windows Vista Operating System  
Connect the MXL  
uChat to an unused  
USB port on your  
computer. To select  
the MXL uChat as  
the default audio  
device, go to: Start  
menu►Control  
uChat’s built-in  
speaker. It is best  
to keep this turned  
all the way down  
or muted to avoid  
To select the MXL uChat as the default audio device  
go to the Start Menu and select Control Panel.  
To set the MXL  
uChat as the de-  
fault input, select  
the Recording tab  
in the Sound win-  
dow. Highlight the  
microphone icon  
labeled USB audio  
CODEC and click  
Set Default.  
Double click the Sound icon.  
undesirable noises  
such as feedback.  
Select the Play-  
back tab. Highlight  
the speaker icon  
labeled as USB  
audio CODEC and  
click Set Default.  
To make further  
adjustments to the  
playback volume,  
double-click on  
the speaker icon  
labeled USB audio  
CODEC.  
(Note: If your screen does not display a microphone  
volume control, go to Options, Properties and check  
the box labeled Microphone.)  
Panel►Sounds and  
Audio Devices.  
Click on the  
Audio tab and  
select USB audio  
To adjust the  
To make further  
adjustments to  
the microphone volume, double-click on the micro-  
phone icon labeled USB audio CODEC.  
volume of the mi-  
crophone signal to  
the computer, click  
on the Volume but-  
ton in the Sound  
Recording section.  
The microphone  
volume can be  
CODEC from the drop-down menu in Sound play-  
back and Sound Recording.  
Click on the tab  
labeled Levels  
and adjust the  
Microphone  
fader.  
To change the  
volume of the  
sound playback  
from the MXL  
uChat, click on  
the Volume button  
in the Sound play-  
back section. The  
playback volume  
Click on the tab  
labeled Levels.  
The volume of the  
speaker can be ad-  
justed by moving  
the fader labeled  
as Speakers.  
changed by mov-  
ing the microphone  
fader up or down.  
Click on the  
Apply button for  
these changes  
to take effect.  
can be changed  
by moving the  
Speaker fader  
up or down. The  
Click on the Apply button for these  
changes to take effect. Your computer  
is now setup to use the MXL uChat.  
Some applications will require ad-  
ditional settings to be changed within  
the program.  
Your computer  
is now setup to  
use uChat. Some  
To adjust the volume of the microphone signal directly  
to the speaker, adjust the Microphone fader (this does  
not affect the volume of the microphone signal being  
recorded). It is best to keep this turned all the way  
down or muted to avoid undesirable noises such as  
feedback. Then click OK.  
applications will require additional settings to be  
changed within the program.  
microphone fader  
found in this window adjusts the volume of the  
microphone signal that is sent directly to the MXL  
 
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Setup for Apple Macintosh®  
Warranty  
Marshall Microphones are guaranteed against defects in material and workmanship for one year from  
After connecting the MXL uChat to an unused USB port, go  
date of purchase. Should you encounter any problem with this unit, promptly contact the company you  
purchased it from for assistance. The original dated sales receipt will be necessary for any warranty claim.  
Do not send any unit directly to us without prior authorization from our service department! Warranty  
coverage is limited to repair or replacement (at our option) of the microphone, and does not cover incidental  
damages due to use of this unit, nor damage caused by accidental misuse of this product.  
to: Apple IconSystem PreferencesSounds icon.  
To use the MXL uChat’s built-in speaker as the audio  
output, click on the Output tab then select the device  
named USB Audio CODEC. You can adjust the volume  
by moving the fader labeled Output volume.  
Next click on the Input tab and select the device named  
USB Audio CODEC. You can adjust the microphone  
volume by moving the Input Volume fader.  
Your computer is now setup to use the MXL uChat. Some  
applications will require additional settings to be changed  
within the program.  
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For additional information on the MXL uChat, how to contact technical support, as well as information on  
Windows is a registered trademark of Microsoft Corporation in the United States and other countries.  
 
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