Dahua Technology LE-L - Manual (Page 44)

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6 Previous frame
7 Next frame
8 Volume
9 Previous
file
10 Next channel
11 Next file
12 Previous channel
13 Search
14 Backup
15 Clip
4.3.2 Basic Operation
4.3.2.1 Playback
There are various search modes: video type, channel number or time. The system can max
display 128 files in one screen. You can use page up/down button to view if there are more
than one page.
Select the file name and double click mouse (or click enter button), you can view file content.
4.3.2.2 Playback Mode
There are two playback modes: 4-ch and all-channel. In 4-ch playback mode, you can select
the 1/2/3/4-ch playback according to your requirement. In all-channel mode, system can
playback in full channels. Please note the 4-ch has no all-channel playback mode.
4.3.2.3 Accurate playback
Input time (h/m/s) in the time column and then click playback button, system can operate
accurate playback.
4.3.2.4 Synchronized playback function when playback
During playback process, click numeral key, system can switch to the corresponding channel
video of the same time.
4.3.2.5 Digital zoom
When the system is in full-screen playback mode, drag your mouse in the screen to select a
section and then left click mouse to realize digital zoom. You can right click mouse to exit.
4.3.2.6 File backup and clip
System supports backup operation during search. You can draw a √ before file name
(multiple choices). Then click backup button (Button 14 in Figure 4-10).In one channel,
system max displays 32 files.
If you want to clip a period of file, please playback the original file first. Click the (Button
15 in Figure 4-10) at the start point (that is your new file beginning point). Drag the file to the
end point (that is your new file end point) and then click the again. Click the backup
button (Button 14 in Figure 4-10) to save your current new file.
4.3.2.7 Slow playback and fast playback
Please refer to the following sheet for slow play and fast playback function.
Button Illustration Remarks
Fast play button 
In playback mode, click this button to
switch between various fast play modes
such as fast play 1,fast play 2 and more. Frame rate may
vary due to
different versions.