Dahua VTO2202F-P-S2, Руководство пользователя

Страница: 11 / 35

7
Table 4-2 Video parameter description
Parameter Description
Main/Sub
Stream
Video
Format
Select different resolution as needed:
1080P
: 1920 × 1080.
720P : 1280 × 720.
WVGA
: 800 × 480.
QVGA : 320 × 240.
D1
: 720 × 480.
CIF
: 352 × 288.
Frame Rate
The larger the value, the smoother the video, but it requires more
bandwidth.
Bitrate Rate
The larger the value, the better the video quality, but it requires more
bandwidth.
Status
Scene Mode
Select as needed according to the lighting condition.
Auto
is selected
by default.
Compensati
on Mode
BLC
: Back light compensation. Improve the clarity of the target in
the image.
WDR
: Wide dynamic range. Enhance the brightness of dark areas,
and reduce the brightness of bright areas to improve the image.
HLC : High light compensation. Reduce the brightness of the
strong spots to improve the overall image.
Video
Standard
Select
PAL
or
NTSC
according to your area.
PAL is mostly used in China and Europe, and NTSC primarily in the
United States and Japan.
Image
Brightness The larger the value, the brighter the image.
Contrast Larger value for more contrast between bright and dark areas.
Hue
Make the color brighter or darker. The default value is made by the
light sensor, and we recommend keeping it default.
Saturation The larger the value, the thicker the color.
Gamma
Changes the picture brightness and improves the picture dynamic
range in a non-linear way. The larger the value, the brighter the image.
Gain
Adjustment Amplify the video signal to increase image brightness. If the value is
too large, there will be more noise in the image.
Mirror Display the image with left and right side reversed.
Flip Display the image upside down.
Display Time Display the current time and date on the video image.
Audio
Control
— Turn on or off each type of sound.
Volume
Control
Microphone
Volume
Adjust the volume as needed.
Speaker
Volume