12
4.1.5. Video Specification Adjustment
Click “Video adjustment” label at the right of the video browsing window to adjust the information
including video brightness, contrast, saturation and color. Please click “Set” button to save the adjustment after
completing the adjustment. The video parameters have been optimized when delivered from the factory. The
default values are:
Brightness: 120 Contrast: 75 Saturation: 70 Color: 128 Sharpness: 127
Sharpness
Sharpness is also called “definition” sometimes. It is an index that reflects the image definition and the
sharpness of the image edge. Its default value is between 80 - 100. When the value of sharpness is too large, the
image may have many noises appeared. When it is too small, the image definition may be affected.
Fig. 19.
Types of video transmission
Use a slide bar to adjust the buffer time for video image so as to make the video connection more real-time
or smoother. The “Real-time” on the left has the 0ms buffer time (No buffer). The “Smooth” on the right has the
buffer time of 5000ms. Users can adjust by themselves according to the user-end host configuration and the
network bandwidth. The default is set to be real-time connection and the buffer time is about 300ms.
4.1.6. PTZ Control
Click the “PTZ” label at the right of the video browsing window to control the PTZ.
Fig. 20. Fig. 21.
