Sony DPT-S1 User Manual page 63

 Do not allow a memory card to get wet.
 Avoid the following to prevent data damage. Sony
does not provide any guarantee for damaged data.
Remove a memory card or turn off the device
while reading or writing data.
Operate the device in the location where static
charge or electrical noise is present.
 Do not strike, bend, drop, disassemble, open, crush,
deform, puncture, shred, microwave, incinerate or
paint the microSD card.
 Do not use force, a thin stick or tweezers to remove
the microSD card. If you cannot remove the microSD
card, contact customer support.
 Do not remove the microSD card or turn off the
device while data on the memory card is being
edited or accessed. Otherwise, edited data will not
be saved.
 Do not insert a deformed microSD card into the
device.
 If you change or erase a folder name via computer,
or move a file to a folder other than "database",
there is a possibility that data recorded in a memory
card might be lost or become unreadable by this
product.
 You can use a microSD card (less than 2 GB) and
microSDHC card (less than 32 GB), but CPRM
(Content Protection for Recordable Media) is not
supported.
 microSDXC card is not supported.
 FAT (File Allocation Table) is supported.
 exFAT (Extended File Allocation Table) is not
supported.
Formatting a microSD card
You can use the device to format a microSD card if
necessary.
WARNING
Formatting the microSD card will delete all files stored
on it.
1
(Home) button  tap [Settings] 
Press the
[Initialization]  [Format Memory]  [SD Card].
2
Tap [Yes].
To cancel, tap [No].
It may take a few minutes to finish formatting the
microSD card.
Cannot guarantee the data
Sony is not responsible for damaged (or deleted) data
due to problems with the device or computer.
Backup
Sony recommends that you create a backup of the
contents of the device in case of operation error or
data corruption.
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