LG Optimus quest LTE User Manual page 86

2. Tap the Proximity Sensor checkbox to enable it. (A blue checkmark will
appear.)
Wide Voice extension
This option improves sound quality to get clear voice using wide voice
band.
To activate Wide voice extension
1. Press >
2. Tap the Wide voice extension checkbox to turn it on. (A blue checkmark
will appear.)
Save Unknown Numbers
You can set the phone to save the phone numbers not saved in Contacts
yet.
To save unknown numbers
1. Press >
2. Tap the Save unknown numbers checkbox to turn it on. (A blue
checkmark will appear.)
Voice Clarity
You can set the phone to enhance voice sound quality in noisy
environments while using a hands-free call.
To set Voice clarity:
1. Press >
> Systems settings > Call.
> System settings > Call.
> System settings > Call.
Settings
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