AGI Security SYS-HC0451 HDCVI DVR User Manual - Manual (Page 76)

HDCVI Standalone DVR User’s Manual
67
Please 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. Please 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 or
too bright. Please note the video may become hazy if the
value is too high. The recommended value ranges from
40 to 60.
Contrast It is to adjust monitor window contrast. The value ranges
from 0 to 100. The default value is 50.
The larger the number, the higher the contrast is. You
can use this function when the whole video bright is OK
but the contrast is not proper. Please note the video may
become hazy if the value is too low. If this value is too
high, the dark section may lack brightness while the
bright section may over exposure .The recommended
value ranges from 40 to 60.
Saturation It is to adjust monitor window saturation. The value
ranges from 0 to 100. The default value is 50.
The larger the number, the strong the color is. This value
has no effect on the general brightness of the whole
video. The video color may become too strong if the
value is too high. For the grey part of the video, the
distortion may occur if the white balance is not accurate.
Please note the video may not be attractive if the value
is too low. The recommended value ranges from 40 to
60.
Gain The gain adjust is to set the gain value. The default
value may vary due to different device models. The
smaller the value, the low the noise. But the brightness is
also too low in the dark environments. It can enhance