This function varies depending on the models of mini PTZ camera. 
 
Exposure Settings 
  Exposure Mode 
The Exposure Mode can be set to Auto, Iris Priority, Shutter Priority, and Manual. 
 Auto:   
The iris, shutter and gain values will be adjusted automatically according to the brightness 
of the environment. You can set the iris range and shutter ranges by setting the Max. Iris 
Limit, Min. Iris Limit, Max. Shutter Limit, and Min. Shutter Limit respectively. 
 Iris Priority: 
The value of iris needs to be adjusted manually. The shutter and gain values will be adjusted 
automatically according to the brightness of the environment. 
 
Figure 6-26 Manual Iris 
 Shutter Priority:   
The value of shutter needs to be adjusted manually. The iris and gain values will be adjusted 
automatically according to the brightness of the environment. 
 
Figure 6-27 Manual Shutter 
 Manual:   
In Manual mode, you can adjust the values of Gain, Shutter, Iris manually. 
  This function varies depending on the models of mini PTZ camera. 
  Limit Gain 
This feature is used to adjust gain of the image. The value ranges from 0 to 100. 
  Slow Shutter