Auto Exposure
Setting
Options
ALC (Automatic Light
DC Iris Level: 1–25 For an automatic iris lens. Adjust the DC Iris Level until the image is
Compensation)
AGC (Automatic Gain
Off, 10 dB–30 dB
Control)
BLC (Backlight
Off, Low, Mid, High Prevents the object in the center of the image from darkening when
Compensation)
Document 800-00249 Rev C
08/08
Figure 4-9
Camera Setup
The camera lens, lighting and true day/night options can be configured as needed using
the Auto Exposure settings. Use the following table to set up Auto Exposure options.
Note
You must click Apply after you make changes to any settings to save those
changes. Settings will not be saved unless you click Apply.
Table 4-4
Auto Exposure Settings
Description
neither too bright nor too dark.
Adjust the maximum value of AGC gain. AGC can be Off, or set from
10 dB–30 dB.
there is excessive light from behind.
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