User's Manual

5.7.2. Camera
You can get better quality by tuning the lighting condition of the camera. For example, in a dark room you may want to set the Brightness
higher to generate clearer result. When directly facing an outdoor window (too much light) you may want to lower the Brightness a bit. There
may be different settings under different circumstance; therefore, you should tune the setting if the image quality has become too low to serve