HIKVISION DS-2CE72HFT-F28 Manual do utilizador - Página 16
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3.1 VIDEO FORMAT
You can set the video format to 5 MP @ 20 fps, 4 MP @
30 fps, 4 MP @ 25 fps, 2 MP @ 30 fps, or 2 MP @ 25 fps.
3.2 EXPOSURE
3.2.1 EXPOSURE MODE
You can set the EXPOSURE MODE to GLOBAL, BLC, HLC,
WDR, or HLS.
GLOBAL
•
GLOBAL refers to the normal exposure mode, which
adjusts lighting distribution, variations, and non-
standard processing.
BLC (Backlight Compensation)
•
BLC (Backlight Compensation) compensates light to
the object in the front to make it clear, but this may
cause overexposure of the background where the
light is strong.
HLC (Highlight Compensation)
•
HLC stands for highlight compensation. The camera
detects strong spots (overexposed portions of
image), then reduces the brightness of the strong
spots to improve the overall image.
WDR (Wide Dynamic Range)
•
The wide dynamic range (WDR) function helps the
camera provide clear images even under backlight
circumstances. When there are both very bright and
very dark areas simultaneously in the field of view,
WDR balances the brightness level of the whole
image and provides clear images with details.
HLS (Highlight Suppression)
•
This is the same visual effect as a solar eclipse. If the
brightness of a part in the image exceeds the
threshold, this part will become black. Then the
whole image will be clear.
3.2.2 AGC (Auto Gain Control)
Optimizes image clarity in poor light conditions. The AGC
level can be set to HIGH, MEDIUM, or LOW.
NOTE:
Noise will be amplified when setting AGC level.
3.2.3 SLOW SHUTTER
SLOW SHUTTER increases the exposure time on a single
frame, which makes a camera more sensitive to the light
so it can produce images even in low lux conditions.
3.2.4 ANTI-BANDING
ANTI-BANDING prevents the appearance of horizontal
lines (banding) when photographing images in low
frequency light and high brightness environments.
UM ColorVu DS-2CExxHFT-Fxx 122919NA
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