User Manual of E Series Network Mini PTZ camera 
© Hikvision 
3.  Click    and draw a red frame in the live view image. 
4.  Adjust the  ROI  level  from  1  to  6.  The  higher  the  value,  the  better  image  quality in  the  red 
frame. 
5.  Enter a Region Name and click Save to save the settings. 
 
6.2.4  Dual-VCA Settings 
Steps: 
1.  Check  the  checkbox  to  enable  the  function  of  Dual-VCA  which  can  be  used  cooperatively 
with NVR to implement dual-VCA retrieval during playback. 
 
Figure 6-24 Enable Dual-VCA 
2.  Click    to save the settings. 
 
6.3  Configuring Image Settings 
 
On the  image  settings configuration  page,  click    to show  the  PTZ  control panel or click    to 
hide it. 
Click the direction buttons to control the pan/tilt movements. 
Click the zoom/iris/focus buttons to realize lens control. 
6.3.1  Configuring Display Settings 
Purpose: 
You can set the image quality of the mini PTZ camera, including brightness, contrast, saturation, 
sharpness, etc.