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DCx Cameras
3.4.2.7.8 AES/AGC (Automatic Brightness Control)
On this tab, you can set parameters for automatically adjusting the exposure time and sensor gain of your DCx
camera (see also Automatic image control ).
Notes
Auto Exposure Shutter (AES) automatically adjusts image brightness based on the exposure shutter setting.
Long exposure times may cause motion blur.
Auto Gain Control (AGC) automatically adjusts image brightness based on the hardware gain control setting
of the camera sensor. You can activate this function in addition to AES if ambient light conditions are poor. High
gain settings may cause artefacting.
Auto Frame Rate (AFR) adjusts the frame rate to allow longer exposure times (see also Pixel clock, frame rate
and exposure time ). Selecting this check box might decrease the frame rate substantially. This function is
only available when AES is active.
Image contrast
Use the following settings to configure automatic brightness control:
Exposure (AES)
Enables automatic adjustment of image brightness, i.e. the exposure time is automatically adjusted to achieve
the preset brightness reference value.
Note
If AES is enabled together with AGC and AFR, AES has the highest priority, i.e. AES is set first and then AGC
and AFR.
Framerate (AFR)
Enables the framerate control. This option is only available when AES is active.
If the maximum exposure time is not sufficient for a brighter image, you can use AFR to reduce the frame rate
and so extend the exposure time.
Gain (AGC)
Enables the automatic gain, i.e. the control automatically adjusts the gain to achieve the set brightness
reference value.
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