HIKVISION CMHD3553D-Z Руководство пользователя - Страница 10
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(National Television System Committee) is the analog
television system that is used in most of North America,
parts of South America, Myanmar, South Korea, etc.
Note:
NTSC/PAL is only available under the mode of
3.2 FOCUS
Move the cursor to FOCUS, and press the Iris+ to enter
the submenu. Click FOCUS+, FOCUS-, ZOOM+, and
ZOOM- to adjust the focus.
3.3 LANGUAGE
Supports English, and Chinese.
3.4 SET UP
3.4.1 EXPOSURE
Exposure describes the brightness-related parameters,
which can be adjusted by BRIGHTNESS, EXPOSURE
MODE, GAIN, DWDR and ANTI-FLICKER.
Figure 3-4 EXPOSURE
BRIGHTNESS
Brightness refers to the brightness of the image.
You can set the brightness value from 1 to 10 to darken
or brighten the image. The higher the value, the
brighter the image is.
EXPOSURE MODE
You can set the EXPOSURE MODE as GLOBAL, or BLC.
GLOBAL
GLOBAL refers to the normal exposure mode which
performs exposure according to the whole image
brightness.
BLC (Backlight Compensation)
BLC (Backlight Compensation) compensates light for the
front object to make it clear, but this may cause the
over-exposure of the background, where the light is
strong.
When BLC is selected as the exposure mode, the BLC
level can be adjusted from 0 to 8.
GAIN
It optimizes the clarity of the image in poor light
conditions. The GAIN level can be set as HIGH,
MEDIUM, or LOW. Select OFF to disable the GAIN
function.
Note:
The noise will be amplified, when the GAIN is on.
DWDR (Digital Wide Dynamic Range)
The DWDR helps the camera provide clear images even
under backlight circumstances. When both very bright
and very dark areas simultaneously exist in the image,
DWDR balances the brightness level of the whole image
to provide clear images with details.
Set the DWDR as ON to improve the image quality
under the backlight environment.
Set the DWDR as OFF to disable the function.