LG -G510 User Manual page 155

: You can adjust the profile as Loud if you are in a noisy
environment.
: You can change the values of Audio Profile submenus.
: You can adjust the profile as Quiet if you are in Quiet
place.
: You can change the values of Audio Profile submenus.
: You can adjust the profile as Headset when you put on
a headset.
: You can change the values of Audio Profile submenus.
: You can adjust the profile as Car when you activate
Handsfree Kit.
: You can change the values of Audio Profile submenus.
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