![background image](http://html1.mh-extra.com/html/larson-electronics/nvr-ndaa-poe-4ch/nvr-ndaa-poe-4ch_instruction-manual_3722672069.webp)
69
a.
In playback page, play the recording until the desired
image appears.
b.
Click
in the playback window to take a snapshot.
c.
Click
and then click the
Playback Image
tab to view
the snapshot.
d.
Select the desired image file(s) and then click
Backup
to
save them to the storage device.
NOTE!
The image resolution depends on the resolution from the output
interface and the number of windows displayed when the
snapshot is taken.
2.
Lock files. Use this function to lock a recording file so it will
not be overwritten. To lock a recording file will prevent all the
files stored in the same disk partition (254.4MB in size) from
being overwritten.
a.
Play the recording you want to lock.
b.
Click
in the playback window.
c.
Click
and then click the
Locked File
tab to view the
locked file. To unlock a file, click , and the icon
changes to
. To back up a file, select the file and then
click
Backup
.