LG U8150 사용자 매뉴얼

outside your U8150

When you are on a call press up

to increase the earpiece volume

or down to decrease the volume. 

Long press it to turn on the

backlight of the external display.

Long press it to turn on the 

backlight of the external display. 

If you long press it again in 

this mode, you can open the

Entertainment menu.