Reset switch - allows you to perform a soft reset in case
the device
malfunctions, or when an application hangs. Press the tip of the stylus
on this switch to reset the system.
NOTE To perform a clean reset, press the launch button and
simultaneously pressing the stylus on the reset switch. Then
a warning message appears. Press 
to do
clean reset, or
press 
to
leave the operation screen.
Performing a soft reset will not change the data in the device;
while performing a clean reset will delete all data.
Important Make
sure to decrypt all files in the storage card before clean rest. Fail
to do so may cause the files unable to be opened again after clean
reset.