User manual

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 Alarm output: Generate alarm output signal manually.
 Main menu: Go to system main menu interface.
Tip: Right click mouse to go back to the previous interface.
Figure 4-28
4.5.4 Preview Display Effect Setup
4.5.4.1.1 Video Color
Here you can set hue, brightness, contrast, saturation, gain, white level, color mode and
etc. See Figure 4-29.
Figure 4-29
Refer to the following sheet for detailed information.
Item
Note
Period
There are two periods in one day. You can set different
sharpness, brightness, and contrast setup for different
periods.
Effective Time
Check the box here to enable this function and then set
period time.
Sharpness
The value here is to adjust the edge of the video. The
value ranges from 0 to 100. The larger the value is, the
clear the edge is and vice versa. Note there is noise if
the value here is too high. The default value is 50 and
the recommended value ranges from 40 to 60.
Brightness
It is to adjust monitor window bright. The value ranges
from 0 to 100. The default value is 50.
The larger the number, the bright the video is. When
you input the value here, the bright section and the dark
section of the video will be adjusted accordingly. You
can use this function when the whole video is too dark