User Manual of Network Video Recorder - User Manual
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5.1.7
Playing Back External File
Purpose:
Perform the following steps to look up and play back files in the external devices.
Steps:
1.
Enter Tag Search interface.
Menu>Playback
2.
Select the
External File
in the drop-down list on the top-left side.
The files are listed in the right-side list.
You can click the
button to refresh the file list.
3.
Select and click the
button to play back it. And you can adjust the playback speed by clicking
and
.
5.2
Auxiliary Functions of Playback
5.2.1
Playing Back Frame by Frame
Purpose:
Play video files frame by frame, in case of checking image details of the video when abnormal events happen.
Steps:
•
Using a Mouse:
Go to Playback interface.
If you choose playback of the record file: click button
until the speed changes to Single frame and one click
on the playback screen represents playback of one frame.
If you choose reverse playback of the record file: click button
until the speed changes to Single frame and
one click on the playback screen represents reverse playback of one frame. It is also feasible to use button
in
toolbar.
•
Using the Front Panel:
Rotate and hold the outer ring on Jog Shuttle counter clockwise or click the
button to set the speed to Single
frame. One click on
button, one click on the playback screen or Enter button on the front panel represents
playback or reverse playback of one frame.
5.2.2
Digital Zoom
Steps:
1.
Click the
button on the playback control bar to enter Digital Zoom interface.
2.
Use the mouse to draw a red rectangle and the image within it will be enlarged up to 16 times.
