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2.
If you press and hold down the power button for more than three
seconds when the device is powered-on, the following dialog box is
displayed:
Select
Yes
to power off the device.
During power-off, the power supply is cut off and data in the memory is
lost. You can press and hold down the power button again to power on the
device.
Changing Date and Time
Click
Date/Time
on the control panel or double-click the time zone on the
taskbar to display the
Date/Time Properties
dialog box.