Wisenet HCB-7000A, Руководство пользователя

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26_ camera operation
camera operation
- Manual : The shutter does not automatically move but is fixed to the maximal
degree in this mode.
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Some lenses may not work properly, depending on the setting of the BRIGHTNESS
LEVEL.
y
SHUTTER :
You can select the shutter.
- MIN : 1/30 ~ 1/12000
- MAX : 1/60 ~ 1/12000(NTSC) , 1/50 ~ 1/12000(PAL)
- A.FLK : Select this when you experience picture flicker, this happen when there is
a clash with the installed lighting frequency.
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The greater the shutter value the brighter the screen is but the more the residual
images of objects there are.
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If the min shutter value is large, it can cause noise, spots and white areas but still operate
normally.
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If you do not use the AGC mode on the exposure menu, it cannot be set above
1/60sec.
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Depending on the setting range of the minimal/maximal shutter, the screen
exposure can become saturated.
y
AGC (OFF/LOW/MIDDLE/HIGH/VERY HIGH) :
The higher the gain level, the brighter the screen - but the greater the noise.
y
DNR : This is a method of reducing the noise. If you increase the level, the noise will be
reduced but the video may be blurred.
- OFF : Deactivates DNR. Noise is not reduced.
- ON : Activates DNR so that noise is reduced.
BACKLIGHT
The camera uses high performance DSP chips that are designed to clearly display the
object and the background despite severe reverse light.
1. When the SETUP menu screen is displayed, select ‘BACKLIGHT’ by using the
Function Setup switch. so that the arrow indicates ‘BACKLIGHT’.
2. Select a desired mode using the Function Setup switch depending on the camera
purpose.