Synchronous Playback - LG LRN8640N User Manual

the camera list on the right panel to bind the camera
and the view window together.
4. Select or enter a recording date under Date, and select
a start time on the timeline.
Note that a red date indicates that records are
available on this date. You can click
control panel.
For the timeline, you can zoom in to select a start time
accurate to the minute.
If you do not select a recording date, the current

date is selected by default.
If you do not select a start time, the earliest time

point on the timeline is selected by default.
5. Click .
Instantaneous Single-Record Playback
Method 1
1. Right-click a view window and choose Record
Playback.
2. Select a recording date under Date, and select a start
time on the timeline.
3. Click .
Note that red sections of the timeline indicate that alarms
are generated during this period and that yellow sections
of the timeline indicate that records are available during
this period.
Compared with a standard single-record playback, an
instantaneous single-record playback includes the
following extra options:
Option Description
Loop Continuously repeat the playback of a
record of a certain period of time.
Back Up Back up a record of a certain period of
time.
To back up a record of a certain period of
time:
1. Insert a USB flash drive to the
LRN8640N.
2. Click Back Up.
41
to pin the
Compared with a standard single-record playback, an
instantaneous single-record playback excludes the Record
Fragment option.
Method 2
1. On a view window, click
2. Select a recording date under Date, and select a start
time on the timeline.
3. Click

Synchronous Playback

During a synchronous playback, all records are played back
at the same start time.
To start a synchronous playback:
1. Choose Main Menu > Record > Synchronous
Playback.
2. Click Layout at the bottom of the window to select a
screen layout.
3. Click one view window and select one camera from
the camera list on the right panel to bind the camera
and the view window together.
4. Repeat step 3 for each view window.
5. Select or enter a recording date under Date.
Note that a red date indicates that records are
available on this date.
From the view of the set theory, the displayed dates
are the union of the selected cameras. For example,
records are available on March 1 for camera 1 and
records are available on March 2 for camera 2. In such
a case, the dates March 1 and 2 are red.
6. Click each view window to check for the time points
3. Use to select the period and
then click the period.
4. In the displayed Back Up dialog box,
select a start time and an end time.
5. Select a partition and click Back Up.
NOTE:
Before removing the USB flash drive from

the LRN8640N, uninstall the USB flash drive
by clicking the Uninstall button.
.
.
Playback