8
Frequently Asked Questions
Questions
Suggestions
The volume is not synchronized when the
device is connected to the phone by
Bluetooth
1.Confirm whether the phone supports Bluetooth
sound synchronization, some Android phones do not
support volume synchronization.
2.Some phone needs to open the volume setting
permission in the system settings.
When the device is connected to the phone
by Bluetooth, the ringtone of phone
calls does not come out from the device
1.Check whether the phone volume is turned on,
or the volume is too low.
2.Check whether the device can speak normally.
3.Choose
audio
input/output
in
the
meeting software.
No sound when device is connected to
Windows PC by Bluetooth
1.It is recommended that when playing music,
select the speaker with the name “stereo”
on your PC.
2.It is recommended to choose the speaker with the
name “hand free” for the audio output speaker during
the call or meeting.
No sound when the device is connected to
FaceTime/
Zoom/Teams/Google
Hangouts etc. by Bluetooth
1.Check whether the input /output
of the
call
software are properly set to “Fanvil CS30”.
2.Check whether the computer audio driver
is normal,
it
is
recommended
to
restart
the computer and try again.
No
response
when
the
device
is connected to the computer using USB
1.Check whether the device is connected
to
phone,
please disconnect the connection
first,
and then use the cable to connect the device.
2.Check whether the USB data cable is damaged.
3.Reboot the device and try again.
