Plantronics Blackwire C720 User Manual download pdf (Page 22)

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

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