54
3
‐
9
‐
2
Media
You
can
define
what
kind
of
media
file
should
be
saved
on
designated
media.
Here
are
the
descriptions
of
every
setup
item:
Item
Description
One
Snapshot
Save
a
picture
file
when
event
is
triggered.
Please
note
that
this
function
will
be
enabled
while
“MJPEG
codec”
is
appeared
on
the
“Video
Setting”.
(Please
refer
to
section
“3
‐
5
‐
2
Video
Setting”.
H.264
Video
Save
a
H.264
video
clip.
You
can
also
select
the
recording
length
before
and
/
or
after
the
time
when
event
is
triggered
in
‘Pre
Event’
and
‘Post’
Event’.
For
example,
if
you
set
‘Pre
Event’
to
‘10’
and
‘Post
Event’
to
5’,
and
an
event
is
triggered
at
14:10:30,
then
the
video
file
will
be
15
seconds
long,
starting
from
14:10:20
to
14:10:35.
Tips:
You
may
want
to
know
what
happened
before
event
is
triggered
in
many
cases,
especially
when
object
is
outside
of
motion
detection
window.
Note:
If
the
“Pre
Event”
set
to
“0”
second,
the
“Post
Event”
cannot
set
to
“0”
second.
When
you
finish
with
above
settings,
click
‘Apply’
button
to
save
changes.
When
you
finish
with
above
settings,
click
‘Apply’
button
to
save
changes.