Plantronics Blackwire 435 - Manual (Page 12)

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Problem Solution
I cannot hear. Ensure that the C435 is set as the default listening device in Windows.
Ensure that the C435 is set as the audio device in the softphone (refer to
softphone manufacturer for instructions on changing the audio output).
Make sure that the volume settings on the headset, Windows and
softphone are not turned down.
I cannot be heard. Ensure that the C435 is set as the default microphone device in Windows.
Ensure that the C435 is set as the audio device in the softphone (refer to
softphone manufacturer for instructions on changing the audio output).
Make sure that the softphone and headset are not muted.
I cannot answer a call with
the headset. Ensure that the C435 is set as the audio device in the softphone (refer to
softphone manufacturer for instructions on changing the audio output).
Refer to the Plantronics compatibility guide (
http://www.plantronics.
com/compatibiltyguide ); you may need to download software to enable
call control with your particular softphone.
http://www.plantronics.com/businesssoftware
I cannot take my headset off
mute using the softphone / I
cannot take the softphone off
mute using my headset. Your softphone may need Plantronics software to synchronise the mute
control on the PC with the headset.
Refer to the Plantronics compatibility guide (
http://www.plantronics.
com/compatibiltyguide ); you may need to download software to enable
call control with your particular softphone.
http://www.plantronics.com/businesssoftware
The volume control on the
headset does not adjust
Windows volume. The headset volume is local unless you have installed Plantronics
software. With the software, the headset volume is synchronised to
Windows.
http://www.plantronics.com/businesssoftware
Troubleshooting