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Table 3-1 Video & audio parameter description
Parameter
Description
Video Format
The Terminal supports
720P
(1280 × 720),
WVGA
(800 × 480),
D1
(720 × 576), and
CIF
(352 × 288). You can select as needed.
Frame Rate
The number of frames per second in a video. The higher the frame
rate is, the more clear and smooth the video will be.
Bandwidth
Select the bandwidth according to the network the Terminal is
connected to.
Brightness
The overall brightness of the image.
The larger the value is, the brighter the image will become.
The image might be white if the value is too large.
Contrast
The ratio of black to white in the image. The larger the value is, the
richer the image color.
If the value is too large, the dark area becomes darker and the
bright area is likely to be overexposed.
The image might be greyish if the value is too small.
Hue
Adjust the color of the image. The larger the value, the darker the
color.
Saturation
Adjust the image vividness. The larger the value, the more vivid
the image. This value does not affect the overall brightness of
image.
Gamma
Change the image brightness and contrast in a non-linear way.
The larger the value, the brighter the image.
Mirror
Flip the image horizontally.
Flip
Flip the image vertically.
Display Time
Display the time at the top left corner of the monitoring screen.
Scene Mode
The overall tone of the image varies with the scene modes.
Disabled
: No mode is set.
Auto
: Automatically adjust the scene mode to make the
image color normal according to the light reaching the sensor.
This mode is selected by default.
Sunny
: The image tone is decreased in this mode.
Night
: The image tone is increased in this mode.
Day/Night Mode
This mode affects the illumination of the Terminal.
Auto
: Automatically adjust the mode to make the image color
normal according to the light reaching the sensor.
Color
: The image is colored.
B/W
: The image is black and white.
Backlight Mode
Select the appropriate compensation mode according to the actual
conditions.
When human faces are in the backlight, it is recommended to
select
WDR
.
Disabled
: No compensation is made.
BLC
: Backlight compensation corrects areas with extremely