Exposure - American Dynamics illustra 600 Installation & Operation Manual

4.2.2 Exposure

The Exposure page allows you to configure the Exposure Mode, IR Filter Control, IR Illuminator
Control, Backlight Compensation and Digital Wide Dynamic Range settings according to the light
conditions of the camera.
Exposure Mode
Auto Exposure Settings
 Method: Select which area of the image will be used to measure the amount of light to achieve
best exposure.
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Center Weighted: Exposure metering is averaged over the entire frame but emphasis is
placed on the central area.
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Target Exposure Control: This option meters the exposure based on the targets you specify.
When this option is selected, define your target by clicking squares displayed on the image
and then press Save Spot Window to save the setting.
 Exposure Compensation: In a scene with predominantly light or dark areas, the image will be
underexposed or overexposed, causing an image to be too dark or bright. In such situations, you
can adjust a compensation value to optimize the exposure. Decrease the value if images appear
too light (overexposed). Increase the value if images are too dark (underexposed).
 Max/Min. Exp: Select the maximum / minimum exposure time in seconds according to the light
source.
 Sensitivity: Select how quickly the camera reacts to the light. A higher value enables the
camera to adjust exposure in a shorter time.
 Max Gain: Specify the maximum amount of amplification applied to the image. A high level of
gain allows images to be viewable in very low light, but will increase image noise.
Manual Exposure Settings
 Exposure Time: Enter a desired exposure time.
 Gain: Select a gain value from 0 to 16. A high level of gain allows images to be viewable in very
4. Using illustra Utility
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