HIKVISION DS-2CE78U8T-IT3 Посібник користувача - Сторінка 11

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1. User Manual

3.3 Settings

3.3.1 Exposure

Exposure describes the brightness-related parameters,

which can be adjusted by Brightness, Exposure Mode,

AGC, and Slow Shutter.

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 is, the

brighter the image is.

Exposure Mode

You can set the Exposure Mode as Global, BLC, HLC,

and WDR.

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

the over-exposure of the background where the light is

strong.

HLC (High Light Compensation)



HLC (High Light Compensation) masks strong light

sources that usually flare across a scene. This makes it

possible to see the detail of the image that would

normally be hidden.

WDR (Wide Dynamic Range)



The wide dynamic range helps the camera provide clear

images even under backlight circumstances. WDR

balances the brightness level of the whole image and

provides clear images with details.

When WDR is selected as the exposure mode, you can

set it as low, medium, high or off.

AGC (Automatic Gain Control)

It optimizes the clarity of the image in poor light

conditions. The AGC level can be set as High, Medium,

or Low. Select Off to disable the AGC function.

Note:

The noise will be amplified when the AGC is on.

Slow Shutter

Slow Shutter increases the exposure time on a single

frame, which makes a camera more sensitive to light.

Therefore, it can produce images even under low lux

conditions. You can set the Slow Shutter as Off, x2, x4

under 8 MP@15fps, or 8 [email protected] mode, and as Off,

x2, x4, x6, x8, or x16 under other modes according to

different light conditions.

Figure 3-3 Exposure