Dell STREAK mobile - Manual (Page 11)

9
Lock Screen
The tablet enters sleep mode automatically after a preset duration of inactivity. To wake up the
tablet from sleep mode, press the power button once. To unlock the screen, touch and drag
to the top of the screen.
To set the duration after which
the tablet enters sleep mode,
touch the Home button
→
Menu button → Settings→
Display → Screen timeout and
select the required option.