Network Video Recorder
System Setting
User Manual
Issue: V4.6 (2021-05-12)
253
Brightness
: It indicates the total brightness of an image. As the value increases, the image
becomes brighter.
Sharpness
: It indicates the border sharpness of an image. As the value increases, the borders
become clearer, and the number of noise points increases.
Saturation
: It indicates the color saturation of an image. As the value increases, the image
becomes more colorful.
Contrast
: It indicates the measurement of different brightness levels between the brightest white
and darkest black in an image. The larger the difference range is, the greater the contrast; the
smaller the difference range is, the smaller the contrast.
Scene
: it includes indoor, outdoor, default. Mirror includes normal, horizontal, vertical, horizontal
+ vertical.
Exposure
: it includes mode, max shutter, meter area and max gain.
White balance
: it includes tungsten, fluorescent, daylight, shadow, manual, etc.
Day-night
: user can transit day to night, or switch mode.
Noise reduction
: it includes 2D NR and 3D NR.
Enhance image
: it includes WDR, HLC, BLC, defog and anti-shake.
Zoom focus
: user can zoom and focus.
----End
9.1.4
OSD
Step 1
On the
System Setting
screen, choose
Channel >OSD
to access the OSD interface, as
shown in Figure 5-4
