™
Blackwire C210-M
Blackwire C220-M
USER GUIDE
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Powering On
2
Powering on the Blackwire C210-M and C220-M
The USB headset is automatically powered on when inserted into the USB port of the
computer.
2.1
2. Adjust the Headband
2.1 Lengthen or shorten the band until it fits comfortably. The foam cushions
should sit comfortably over the centre of your ears.
3
Headset Features
3.1
1
Adjustable Headband
Ear Cushion
Receiver
3.2
Boom
3. Adjust the Boom and Microphone
3.1 Rotate the boom so it is aligned with your mouth.
Noise-Cancelling
Microphone
Headset Cord
3.2 Shorten or lengthen the microphone so it is approximately two finger widths
from the corner of your mouth.
4
5
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Using Your Headset
Troubleshooting
Answering/Ending/Making Calls with Microsoft Office Communicator
To make a call, select a contact or dial the number via Microsoft Office Communicator.
To answer or end a call, simply press the call answer end button.
Problem
Solution
I cannot hear caller.
• The USB headset is not set as the
default audio device. To change audio
setup, refer to the Microsoft Office
Communicator user guide.
• Listening volume is too low. Press the
volume up button on the headset.
Callers cannot hear me.
• Headset is muted. Press the mute
button on headset to unmute the
microphone.
• Headset microphone boom aligned
incorrectly. Align the headset boom with
your mouth.
Adjusting Volume
• The USB headset is not set as the
default Voice device. Use the Voice
settings in Windows under Sounds
and Audio Devices to select “Blackwire
C210-M/C220-M” as the voice device.
To increase listening volume, press the volume up (+) button. To decrease listening
volume, press the volume down (–) button.
To adjust the listen or speak volume of the Microsoft Office Communicator,
please refer to the softphone user documentation. It is recommended that the volume is
adjusted on the inline control and not the Windows volume control.
Sound in headset is distorted.
I can hear echo in headset.
• Lower the listen volume on your
softphone until the distortion disappears.
To adjust the speak volume of the audio device on the computer, use the Sound
and Audio Device section on the Control Panel.
• Adjust volume on headset.
The other headset I was using to
listen to music does not work any
more.
• The USB headset will set itself as the
default audio device in Windows. Use
the Audio settings in Windows under
Sounds and Audio Devices to change
the device used for audio.
My headset stops responding
to button presses.
• When a PC goes into standby or
hibernation, the USB headset no longer
is powered on. Be sure your PC is in an
active state.
Muting a Call
To mute the microphone during a call, briefly press the mute button. When muted, the
Mute LED will be lit.
To unmute press the button again.
7
6
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Plantronics, Inc.
345 Encinal Street
Santa Cruz, CA 95060
United States
Tel: 800-789-4971
plantronics.com
For product support contact us at plantronics.com/support.
©2010 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Blackwire, and Sound Innovation are trade-
marks or registered trademarks of Plantronics, Inc. Microsoft is a registered trademark or trademark of Microsoft
Corporation in the United States and/or other countries. All other trademarks are the property of their respective
owners.
Patents US D540777; D540778
82874-01 (03.10)
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