36
Select
a
partition
of
a
USB
storage
device
from
the
USB
drive
drop
‐
down
list.
Select
a
folder,
or
double
‐
click
to
enter
the
directory
and
then
select
a
folder.
5.
Backing
up
a
video
Click
Backup
to
start
video
backup.
CAUTION!
During
the
backup
process,
the
progress
bar
will
show
"backing
up
X/Y:"
x
indicates
the
video
records
currently
being
backed
up;
y
represents
the
total
number
of
video
records
you
want
to
back
up.
During
the
backup
process,
click
Cancel
on
the
progress
bar
to
stop
video
backup.