Plantronics Blackwire C720 - Manual (Page 22)

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Troubleshooting — PC softphone usage
I cannot hear. Ensure that the Blackwire C710/C720 is set as the default playback device
in Windows.
Ensure that the Blackwire C710/C720 is set as the audio device in the
softphone (refer to softphone manufacturer for instructions on changing
the audio output).
Make sure that the individual volume settings on the headset, Windows
and softphone are not turned down too low.
I cannot be heard. Ensure that the Blackwire C710/C720 is set as the default recording
device in Windows.
Ensure that the Blackwire C710/C720 is set as the audio device in the
softphone (refer to softphone manufacturer for instructions on changing
the audio output).
Make sure that the individual volume settings on the headset, Windows
and softphone are not muted.
I cannot answer a call with the
headset. Ensure that the Blackwire C710/C720 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.
plantronics.com/software
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 Spokes software to synchronise the
mute control on the PC with the headset.
Refer to the Plantronics compatibility guide
http://www.plantronics.com/compatibiltyguide
The volume control on the
headset does not adjust
Windows volume. The headset volume is local unless you have installed Plantronics Spokes
software. With the software, the headset volume is synchronised to
Windows.
plantronics.com/software
Troubleshooting — Mobile phone usage
My headset does not work
with my mobile phone. Ensure that the headset is fully charged.
Make sure the headset is paired with the mobile phone you are trying to use.
See
plantronics.com/easytopair
My phone did not locate the
headset. 1) Make sure the Bluetooth is powered on. Press the mobile talk button. The
button will be blue when powered on. If it flashes red and blue it is in pairing
mode and needs to be paired.
2) Turn both your mobile phone and headset off, then restart the mobile
phone and repeat the pairing process. (See “
Pair and make a call with your
mobile phone ”).
I could not enter my PIN
code. Turn both your mobile phone and headset off and on and then repeat the
pairing process. (See “
Pair and make a call with your mobile phone”). Your
PIN code, or password, is 0000 (4 zeros).
NOTE Many mobile phones input the password automatically during
the pairing process. Your phone may not ask you to manually input a
password.
Audio quality is poor. Your headset is out of range. Move the headset closer to the mobile phone.
Troubleshooting