IC Realtime Specialty: Interrogator DVR - a DVR for law enforcement User Manual
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NOTE: 
You need to use a BNC installation tool to connect coaxial cables to the rear panel. 
Figure 3-1
3.6.2 Connecting Video Output 
This section provides information about physically connecting video display devices to 
the DVR. See Figure 3-2. 
There are BNC(PAL/NTSC BNC(1.0VP-P ,75Ω) output and VGA output. 
If you connect the DVR with a TV monitor or VGA monitor, the DVR can automatically 
detects the monitor type. And without any output device, by default, the DVR is 
configured to use a TV monitor. In this case, if your application requires a VGA monitor, 
you have to press the button “FN” or Shift on the front panel. 
NOTE: 
Video output 1 and VGA can’t display at the same time. But Video output 2 can display 
properly with Video Output 1 or VGA. 
Figure 3-2
3.7 Connecting Audio Input & Output, Bidirectional Audio, Looping Video
3.7.1 Audio
Input/One
Audio
Output