2ESV4 User’s Manual
Table of Contents | 
  | 
System Overview  | 5  | 
Front View  | 5  | 
Rear View  | 6  | 
Part names  | 7  | 
LED Definition  | 7  | 
Installation  | 8  | 
HDD Installation  | 8  | 
Connect to the NVR  | 13  | 
Use Device Search Utility  | 13  | 
Access the NVR with its default IP address  | 17  | 
Set up Password  | 18  | 
Camera Installation  | 19  | 
Add a Camera   | 19  | 
Add a camera manually  | 21  | 
Live View (Web Interface)  | 22  | 
Live View  | 22  | 
Retrieve camera’s video stream  | 22  | 
Retrieve camera’s status  | 23  | 
Perform Sequence Viewing  | 23  | 
PTZ Control  | 25  | 
Perform PTZ Preset Viewing  | 26  | 
Preset Point Viewing  | 27  | 
Auto Pan Viewing  | 27  | 
Preset Point Sequence Viewing  | 28  | 
Live Video Controls  | 28  | 
Display ratio and full screen  | 29  | 
Take a snapshot of a live video  | 29  | 
Perform Digital PTZ  | 33  | 
Adjust Brightness for the Live Video  | 35  | 
Adjust Contrast for the Live Video  | 36  | 
Change Web UI Display Language  | 37  | 
Live View through iPhone Safari Browser  | 38  | 
Live View through Blackberry Phones  | 41  | 
Playback (Web Interface)  | 45  | 
Playback  | 45  | 
Methods to Search Playback Videos  | 45  | 
Search by time chart  | 46  | 
Search by event  | 47  | 
Play by specific time  | 49  | 
Search by event (Most Recent)  | 50  | 
Certain functions you can perform to the playback video  | 51  | 
Take a snapshot of a playback video  | 52  | 
Adjust Brightness for the Playback Video  | 56  | 
Adjust Contrast for the Playback Video  | 57  |