Configuring Camera Settings
27
• Center: This option will automatically add an inclusive window in the middle of the window
and give the necessary light compensation.
• HLC (Highlight Compensation): Firmware detects strong light sources and compensates
on affected spots to enhance the overall image quality. For example, the HLC helps
reduce the glares produced by spotlights or headlights.
Exposure Control
Exposure level: You can manually set the Exposure level, which ranges from -2.0 to +2.0 (dark
to bright). You can drag the slider on the Exposure time and Gain control slide bars to specify
a range of shutter time and Gain control values within which the camera can automatically
tune to an optimal imaging result. You may prefer a shorter shutter time to better capture
moving objects, while a faster shutter reduces light and needs to be compensated by
electrical brightness gains.
Flickerless: Check to reduce flicker in the image.
AE Speed Adjustment
Check Enable AE speed adjustment to apply it in fast changing lighting conditions, such as a
highway lane or entrance of a parking area at night where cars passing by with their lights on
and it can bring fast changes in light levels. It is also applicable to a situation if the camera is
installed on a vehicle, and when it needs to adapt to fast changes of light when entering and
leaving a tunnel.
Figure 4-8 AE Speed Adjustment
WDR
Figure 4-9 WDR
True WDR: Check to enable the Wide Dynamic Range function which can capture details in a
high contrast environment. Use the slide bar to select the strength (Low, Medium or High) of
the WDR Pro functionality, depending on the lighting condition at the installation site. You
can select a higher effect when the contrast is high (between the shaded area and the light
behind the objects).
Digital WDR: Check to enable the Digital Wide Dynamic Range function.
Digital WDR is a software-based technique that enhances the image quality by adjusting the
gamma value to brighten dark areas. True WDR is a sensor-based technology. A True WDR
CCTV can produce images with an extremely wide dynamic range. The WDR image sensor can
capture several images with short and long exposures, then combining them into a single
frame.
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