30 Series Network Video Recorder User Guide 
82 
Note that multiple alarms can be triggered by one incident. See Setting-Event-Event on page 
44 for how to configure the event settings. 
If an event is configured with a recording action, there will be a play button   to the left of 
the alarm message. 
Figure 7-12 Event Panel 2 
 
Click   and the event playback window will begin playback of a footage taken 10 seconds 
before the occurrence of an alarm. The playback of an alarm-triggered recording will normally 
last for one minute. If, however, you configured a shorter pre- and post-alarm recording time, 
your alarm recording may be slightly shorter. The default for pre- and post-alarm buffer time 
are 5 seconds and 20 seconds. 
Figure 7-13 Event Clips 
 
 
 
View live video: displays the live view streaming instead of the alarm 
recording. 
 
Begin the event playback. 
Pause the current playback. 
 
Mute or unmute the audio with the current playback. Drag the controller to 
change the audio volume level.