IC Realtime Specialty: 4-CH Mobile DVR - Manual (Page 125)

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4: Slow play
5: Fast play
Figure 7-61
7.5 Alarm
Click alarm function, you can see an interface is shown as in
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Figure 7-62.
Here you can set device alarm type and alarm sound setup.
Playback device IP address
and channel number.
Playback control bar