Using The Advanced Settings; Adjusting The Volume When Viewing A Video - LG -P714 User Manual

Using the advanced settings

Using the viewfinder, touch
Touch if you want to change the viewfinder menu.
It defines and controls the amount of light entering the video.
It improves color quality in various lighting conditions.
Choose a color tone to use for your new video.
Activate this to use your phone's location-based services.
Choose Off to record a video without sound.
Auto review automatically shows you the video you just recorded.
Choose where to save your videos.
Restore all video camera default settings.

Adjusting the volume when viewing a video

To adjust the volume of a video while it is playing, use the Volume keys on
the left-hand side of the phone.
to open all the advanced options.
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