Ruizu D05 - System Management

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2.Calendar
Choose "Calendar", touch button to access to its
function and view the date and time. touch button
to go back.
3.Stopwatch
Choose "Stopwatch", touch button to access to
its function. Touch again to start the timer, then
touch again to stop/resume. Touch to start a new
one.Touch to go back.
Please note: the maximum Stopwatch list is 5.
Shutdown settings: Set Sleep timer and Power
management.
Display: Set Brightness, Backlight timer, and
Screen saver.
Button lights: Set button lights on/off
Date and time: Set Date and time.
Language: Select a system language.
Information: Show information about system and
disk space.
Format device: Delete all data in Mp3 system.
Default settings: Reset to Factory settings.