Final answer:
Automatic Brightness Control (ABC) adjusts the brightness of ANVIS based on ambient light conditions, optimizing visibility in different lighting environments.
Step-by-step explanation:
Automatic Brightness Control (ABC) is a feature that adjusts the brightness of the ANVIS (Aviation Night Vision Imaging System) automatically based on ambient light conditions. This ensures optimal visibility for the user in different lighting environments.
For example, if the ANVIS is used during the day, the ABC will adjust the brightness to a lower level to prevent the image from appearing too bright and causing discomfort to the user.
On the other hand, during low-light or night-time conditions, the ABC will increase the brightness to enhance visibility.
In summary, ABC for the ANVIS system helps to optimize the brightness level of the image displayed, improving the user's ability to see clearly in various lighting conditions.