VIVOTEK
Note that when the frame size is set to 176 x 144 as shown in the picture below, only the time will be stamped on the video streams.
12:07:35 2009/04/24
Enable time shift caching stream Advanced Mode : Check this item to enable the time shift cache stream on the Network Camera, which will stores video in the camera’s embedded memory for a period of time depending on the cache memory of each Network Camera. This function can work seamlessly with VIVOTEK’s ST7501 recording software. When an event occurs, the recording software can request time shift cache stream from the camera, which allows the user to get an earlier video data.
Image Settings
Advanced Mode
Click Image Settings to open the Image Settings page. On this page, you can tune the Brightness, Saturation, Contrast, and Sharpness for the video.
Image Adjustment
■ Brightness: Adjust the image brightness level, which ranges from
52 - User's Manual