Maintenance
.
On
SD
card
•
After
inserted
a
SD
card,
if
the
reader
has
no
response,
please
take
out
and
insert
again.
•
Do
not
remove
SD
card
or
turn
off
reader
during
data
writing
or
reading
to
prevent
damage
to
data
and
to
the
reader.
•
Make
sure
the
SD
card
is
unlocked
before
writing
or
deleting
data
in
the
SD
card.
•
Backup
your
files
and
data
before
formatting
the
SD
card.
Please
format
the
SD
card
in
FAT.
