4.4.2 Volumes
In Sound configuration page, click "Volumes", the volume configuration is shown as
below
Volume options include ringtones and notifications, Media, Alarm clock.
You can hold and drag the slide button or just directly click a volume location to
adjust the volume. Finally click "OK" button to save.
The volume settings, you can also press the keyboard "volume+ -" button to
increase or decrease the volume. Usually, "volume + -" button is used to
adjust for ringtone or notification volume, but in the broadcast media, pressing
"volume + -" button is to adjust for media volume.
4.4.3 Ringtone
The ringtone settings, including the default ringtone and default notification tone.
In the sound interface, select the default ringtone or default notification tone, and
then click the ringtone you want to set, after the selection, it will be a short play ring.
Finally, click "OK".