To use Quick Setting function
Quick Settings
You can set the menus that are related with programme and frequent functions.
Refer to the User Guide App in details.

Programmes | You can configure the Programme settings including searching or editing.
Picture Mode | Select the picture mode that is best suited to your viewing environment, preferences or video type.
Sound Mode | Select the sound mode that is best suited to your viewing environment, preferences or video type.
Aspect Ratio | Depending on the input signal, you can select the screen size that you want.
Sleep Timer | Sets the TV to turn off at a specified time.
Account Management | You can view and manage your Member Profile, Purchased Apps and the list of apps installed on the TV.

The configurable items differ depending on model or country.