
ETV
S
y
s
t
e
m
Server Software - User’s
G
u
i
d
e
Page
34
4.7
Frame
D
e
-
I
n
t
e
r
l
a
c
i
n
g
Frame
De-interlacing
applies only
to
DVR480
Series
DVRs
running
V
I
G
I
L
Server version 2.03.0000
and
h
i
g
h
e
r
,
recording at resolution
704
x
480
.
When paused in
the
Playback
window,
use
the
Frame
De-interlacing feature to toggle
b
e
t
w
ee
n
F
-
Full
Field,
AF – A Field and BF – B
Field.
Click on
the
F
button to toggle
b
e
t
w
ee
n
frame types or
u
se
the drop-down arrow
menu
to
select
the frame
t
y
p
e
.
4.8
A
u
t
h
e
n
t
i
c
a
t
i
n
g
Recorded
V
i
d
e
o
V
I
G
I
L
Server embeds
a
security
key in
recorded footage for
each video
frame.
These keys can be
e
a
s
il
y
checked
to verify that the footage
is
authentic
and has
not
been
tampered
w
i
t
h
.
Begins
the authentication process;
a
window
opens
displaying the progress. Depending
on
t
h
e
length
and
l
o
ca
t
i
o
n
of the
video
footage, Authentication
may
take several minutes to complete.
Y
o
u
can cancel
the authentication at
any
time
by
clicking Cancel.
Any
frames that were processed
p
r
i
o
r
to cancelling
have been
authenticated. If the
video is
authentic, the Authentication
C
o
m
p
l
e
t
e
message
will be
d
i
sp
l
a
y
e
d
.
If the
video has been
tampered with, the authentication
w
ill
halt at the first damaged frame
and
provide
an
e
rr
o
r
message
with the problem frame
nu
m
b
e
r
.
If
Real-Time Authentication (in
DVR
Settings
|
Search
t
a
b
)
is
enabled, during playback
a
large red
X is
displayed
o
v
e
r
the frame if the
f
oo
t
a
g
e
does
not
pass
a
u
t
h
e
n
t
i
ca
t
i
o
n
.
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