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Local Setting 9
Parameter
Description
areas on the target when shooting against light.
Wide dynamic: the system dims bright areas and
compensates dark areas to ensure the clarity of all the
area.
Inhibition: the system constrains bright areas and
reduces halo size to dim the overall brightness.
Sensor
Sensitivity
Adjust the value, and the larger the value is, the easier the
sensor will be triggered.
Video Standard
Select from PAL or NTSC according to your display device.
Picture
Brightness
Changes the value to adjust the picture brightness. The
larger the value is, the brighter the picture will be, and the
smaller the darker. The picture might be hazy if the value is
configured too big.
Contrast
Changes the contrast of the picture. The larger the value is,
the more the contrast will be between bright and dark areas,
and the smaller the less. If the value is set too big, the dark
area would be too dark and bright area easier to get
overexposed. The picture might be hazy if the value is set too
small.
Hue
Makes the color deeper or lighter. The default value is made
by the light sensor, and it is recommended.
Saturation
Makes the color deeper or lighter. The larger the value is, the
deeper the color will be, and the lower the lighter. Saturation
value doesnt change image brightness.
Gamma
Changes the picture brightness and improves the picture
dynamic range in a non-linear way. The larger the value is,
the brighter the picture will be, and the smaller the darker.
Video.GainAuto
Amplify the video signal to increase image brightness. If the
value is too big, there will be more noise in the image.
Mirror
Select On, and then the image is displayed with left and right
side reversed.
Flip
Select On, and then the image is displayed upside down.
Audio
Control
Select Enable or Disabled to turn on or off each sound.
Volume
Control
Mic Volume
Adjust the value, and the larger the value is, the louder the
microphone on the VTO will be.
Beep Volume
Adjust the value, and the larger the value is, the louder the
system sounds will be.
Access Control 4.3
This section introduces how to configure the lock, including unlock responding interval, open
door command, issue card password, duress password and lift control protocol.
18


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