IC Realtime Specialty: Interrogator DVR - a DVR for law enforcement User Manual
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Figure 7-12
7.2.3.1 Direction key and 3D positioning key 
In Figure 7-12, there are eight direction keys. 
In the middle of the eight direction keys, there is a 3D intelligent positioning key. 
Click SIT button, system goes back to the single screen mode. Drag the mouse in the 
screen to adjust section size. It can realize PTZ automatically. 
7.2.3.2 Speed 
System supports eight-level speed. You can select from the dropdown list. Speed 2 is 
faster than speed 1. 
7.2.3.3 Zoom/Focus/Iris 
Here is a sheet for you reference. 
Name
Function 
key 
Function Function
key
Function
Zoom
Near
Far
Focus
Near
Far
Iris
close
Open
Then click triangle icon in Figure 7-12, you can see the following interface. See Figure 
7-13. 
You can click this icon to
display or hide the PTZ
control platform.