Dahua ITC237-PW1A-IRZ User Manual page 7

outdoor environment.

System can automatically set shutter speed and iris value according to
Auto
the snapshot video exposure condition.
Exposure

To output the standard video signal in the different illumination
environments, the amplifier needs to adjust in a wide range. The system
Auto Gain
can enhance the camera sensitivity in low illumination and enhance the
video signal output to get the clear and high definition video.

Support video watermark function to avoid vicious video modification.
Assistant
Function
2