User manual
Digital Video Recorder User Manual 
15 
Item  Name  Description 
1  Video out  Connect to monitor 
2  Video in  Video input channels from 1-8 
3  E-SATA  Connect to HDD for backup (optional) 
4 Spot out  
Connect to monitor as an AUX output channel by channel. Only video display, 
no menu show 
5  Audio out  Audio output, connect to the sound box 
6 MIC IN  Talk 
7  HDMI port  Connect to high-definition display device (optional) 
8  VGA port  VGA output, connect to monitor 
9  Audio in  8 CH Audio input 
10 USB port 
To connect external USB devices like USB flash, USB HDD for backup or 
update firmware; or connect to USB mouse 
11 LAN  Network port 
12  ALARM IN  Connect to external sensor1-8 
13  ALARM OUT  4ch relay output. Connect to external alarm. 
14  P/Z  Connect to speed dome 
15  K/B  Connect to keyboard 
16 GND  Grounding 
17  FAN  For cooling the device 
18  POWER INPUT  AC 110V-220V 
19 POWER SWITCH  Switch on/off 
Tab 2.2 Definitions of Front Panel Buttons 
The rear Panel interface for 16-ch is shown as Fig 2.5: 










