Avtech AVT420 Manuel de l'utilisateur - Page 6

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3D DENOISE

2D DENOISE

EXPOSURE VALUE

WIDE DYNAMIC RANGE

FIXED SHUTTER

DEFOG

IR CONTROL

IR TURN ON LEVEL

IR DELAY TIME

RESET DEFAULT

REBOOT THE SYSTEM

DESCRIPTION

Click and drag the slider to adjust the level from 0 ~ 5 to decrease the noise shown

in the dark environment.

3D denoise analyzes successive pictures to decrease the noise dramatically, but

the moving objects might be shown as blurred.

Click and drag the slider to adjust the level from 0 ~ 5 to decrease the noise shown

in the dark environment.

2D denoise analyzes only a single picture to decrease the noise. The moving

objects can remain smooth edges, but the effect might be limited.

Drag the slider to adjust the exposure level from 0 ~ 4. The higher the value, the

brighter the image.

Wide Dynamic Range (WDR) is used when users need to increase image

recognizability in an environment where very bright and dark areas exist

simultaneously.

The options are: LOW / MIDDLE / HIGH / OFF. The more extreme the bright

and dark areas exist simultaneously in an environment, the higher the value should

choose to get clear images.

Shutter Speed is a function that can adjust the duration of the electronic shutter to

produce optimum image quality. Select the shutter speed suitable for your

environment.

The options are: OFF, FIX 1/15, FIX 1/25, FIX 1/30, FIX 1/50, FIX 1/60, FIX

1/100, FIX 1/120, FIX 1/250, FIX 1/500, FIX 1/1000, FIX 1/2000, FIX

1/5000, FIX 1/10000.

Select ON to enable the defog function in poor weather conditions such as fog,

smog or smoke. The captured image can be improved.

Select AUTO to automatically enable IR LEDs at night or in the dark environment,

or OFF to disable this function.

Select the level for IR light to activate. 0 ~ 20. The higher the value, the more

sensitive the IR light to activate.

Set the delay time from 1 ~ 60 in second after which the day and night switch is

made, or select 0 to disable this function.

This is used for the environment where the light condition may change suddenly

and usually last for a short time, for example, the entrance of a parking lot. It may

cause the day & night mode switching constantly and damage the camera.

With this function, the camera will delay the mode switch at night since the light

change is temporary and unnecessary to pay attention.

Click to reset all camera settings to their default values. The camera will reboot to

complete the reset process.

Click to reboot the camera if necessary.