NuVision TM800A520L 用户手册

Set.Date.&.Time

Go to Settings > System > Date & time

Automatically.set.date.&.time.when.connected.to.the.internet..Otherwise,.you.can.manually..
set.date,.time,.time.zone,.12.or.24.hour.format,.and.date.format.

Changing.the.Wallpaper

To.change.the.wallpaper.displayed.on.your.Home.screen,.touch.and.hold.anywhere.on.a..
Home.screen.that.is.not.occupied.for.a.few.seconds..A.list.of.options.will.appear..Tap.one.of..
them:.Gallery,.Live.Wallpapers,.and.Wallpapers.