D-Link DCS-3430 User Manual page 58

Section 5 - Troubleshooting
13. The images appear to be of poor quality, how can I improve the image quality?
Make sure that your computer's display properties are set above 256 colors. Using 16 or 256 colors on
your computer will produce dithering artifacts in the image, making the image appear to be of poor
quality.
The configuration on the Network Camera image display is incorrect. Through the Advanced > Image
Setting section of the Web management you need to adjust the image related parameters such as brightness, contrast,
hue and power line frequency for fluorescent light.
D-Link DCS-3411/3430 User Manual 58