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CV-S3200/3300
9
d) BLC (Back Light Compensation)
BLC circuit will c0mpensate for extreme highlights in the field of view.
Note : Factory pre-set is OFF.
There are three pre-defined patterns that can be selected. These are shown below. The higher
the value, the more backlight compensation.
CAUTION
The BLC works under the follwing conditions:
It is recommended to switch “BLC OFF” when using the camera with pan/tilt head or if the scene illumination
changes rapidly.
With “BLC ON” the regulation speed of the iris is decreased.
1.
2.
3.
Patten 1
Patten 2
: Effective
: Not-effective
e) Iris level
This is to set the video level, when the camera is set at CCD iris, AGC ON and auto iris.
BLC
AGC ON ON OFF OFF
CCD iris ON OFF ON OFF
Patten 3
1 1 0 0 0 0
4 9 4 0 15 0 0 10 0
1 1 0 0 4 4