Dahua NVR21-4KS3 Series User Manual page 222

Step 3 Select Record as the search type.
Step 4 Select the date, and channel.
Step 5 Click or any position on the time bar.
The system starts playback. You can use the playback controls to control the playback
process.
Icon Function
Play/Pause
/
In slow play mode, click it to switch between play/pause.
Stop
When playing back, click to stop current playback process.
Rewind
In normal play mode, left-click the button, the file begins to rewind. Click it
again to pause it.
While it is rewinding, click
Display previous frame/next frame.
When you pause the normal playback file, click
, frame by frame.
In frame by frame playback mode, click
playback mode.
Slow play
In playback mode, click it to use various slow play modes such as slow play 1,
slow play 2, and more.
Fast forward
In playback mode, click to realize various fast play modes such as fast play
1,fast play 2 and more.
Adjust the volume of the playback.
Smart search.
See "5.8.2.3 Smart Search Playback" for detailed information.
Figure 5-90 Search from I/O device
Figure 5-91 Playback control
Table 5-27 Playback control description
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or to restore normal play.
or
or to resume normal
User's Manual
to play back