JAI RM-670, User Manual

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Functional Options 37
RM-67X Series
5 Configurable Options Available
This section describes the additional options the RM-67X offers. These options are only applicable if the units have been
ordered with theses options.
Figure 33. ALC Controls Set
5.1.1 ALC (Option OP1-5)
This optional feature provides an automatic level control (ALC) function for the camera. The ALC function combines both
automatic gain and exposure control to give the best response to lighting conditions. The function also allows selectable
modes which provide more flexibility in determining the best scene performance. If configured with this option, it is
enabled in gain section of the camera control main window. In automatic mode, the camera varies its internal gain and
shutter speed dynamically to get a consistent exposure based on the setting of the other ALC parameters. In manual mode,
the Manual Gain setting and Shutter Speed control may be adjusted to get the desired exposure.
•
Manual Gain
The Manual Gain allows you to set the system gain. The range is from 5dB to 32dB. The Manual Gain control is only
operative when the ALC Mode is set to Manual.
•
ALC Level
The ALC Level setting determines the desired exposure level when the ALC Mode is set to Automatic. The units are arbitrary
and vary from 0 to 255. A higher Level setting will result in a brighter image.
•
ALC Max Gain
The ALC Max Gain setting specifies the maximum system gain that will be applied when ALC Mode is set to Automatic.
• ALC Mode
In Automatic Mode the system will automatically adjust the gain and shutter speed (if selected – see below) to maintain a
consistent exposure level. In Manual Mode the user may adjust the Manual Gain and Shutter Speed settings to obtain the
desired exposure level.
5.1.1.1 Advanced Settings for ALC
In the “Advanced Settings” page, there are additional features which allow the user to customize the ALC functionality to
suit their specific image scenes. Once this is selected, the “Main” page will use these settings when adjusting the video
level.