Plantronics Headphones C620 M User Manual

Plantronics  
BlackwireC610-M  
Blackwire C620-M  
USER GUIDE  
 
POWERING  
Powering the C610-M & C620-M  
2
The USB adapter is automatically  
powered on upon inserting into the  
USB port of the computer.  
No additional software or drivers are  
required to use this headset with  
Microsoft Office Communicator.  
2.1  
2. Adjust the Headband  
To adjust the headband, lengthen or shorten the  
band until it fits comfortably. The clickstop feature  
keeps the headband securely adjusted.  
Position the headset receiver so that the foam  
cushion sit comfortably over the center of your  
ears.  
2.1 Adjust to fit.  
WEARING THE HEADSET  
3.2  
3
1. Identify the Components  
1 Adjustable Headband  
2 Receiver  
1
3 Click Stop Turret  
4 Clothing Clip  
Front Back  
6
3.1  
1
5 Headset Cord  
6 Ear Cushion  
2
7 Boom  
8 Noise-Canceling Microphone  
3.3  
3.4  
3
7
3. Adjust the Mouthpiece  
8
3.1 Hold the receiver securely against your ear with one hand.  
5
With your other hand, adjust the clickstop turret and the microphone so that the  
tip sits two finger- widths from the corner of your mouth. (To prevent breath noise,  
avoid putting the microphone in front of your mouth.)  
4
3.2 Carefully bend and shape the boom with both hands as shown. Avoid bending or  
twisting the boom near the microphone or earpiece.  
4
5
 
TROUBLESHOOTING  
USING YOUR HEADSET  
Answering/Ending/Making Calls with Microsoft Office Communicator  
Problem  
Solution  
I cannot hear caller.  
• The USB adapter is not set as the  
default audio device. Use the Audio  
settings in Windows under Sounds and  
Audio Devices to select “Plantronics  
Blackwire C610-M/C620-M” as the  
audio device.  
To make a call, select a contact or dial the number via Office Communicator.  
To answer or end a call, simply press the call answer end button.  
• 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 adapter is not set as the  
default voice device. Use the Voice  
settings in Windows under Sounds and  
Voice Devices to select “Plantronics  
Blackwire C610-M/C620-M” as the  
voice device.  
Sound in headset is distorted.  
I can hear echo in headset.  
• Lower the listen volume on your  
softphone until the distortion disappears.  
• Adjust volume on headset.  
To increase listening volume, press the upper end (+) of the volume button. To decrease  
listening volume, press the lower end (-).  
The other headset I was using to  
listen to music does not work any  
more.  
• The USB adapter 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.  
To adjust the listen or speak volume of the Microsoft Office Communicator, please refer to  
the softphone user documentation.  
To adjust the speak volume of the audio device on the computer, use the Sound and Audio  
Device section on the Control Panel. It is recommended that the volume is adjusted on the  
inline control and not the Windows volume control.  
My headset stops responding  
to button presses.  
• When a PC goes into standby or  
hibernation, the USB adapter no longer  
is powered on. Be sure your PC is in an  
active state.  
Muting a Call  
During a call, briefly press the mute button to mute the microphone. When muted, the Mute  
LED will be lit.  
To unmute press the button again.  
6
7
 
©2009 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Blackwire and Sound Innovation are  
trademarks or registered trademarks of Plantronics, Inc. Microsoft and Windows are either registered trademarks or  
trademarks of Microsoft Corporation in the US and/or other countries. All other trademarks are the property of their  
respective owners.  
Patents Pending  
83001-01 (11.09)  
 

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