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4.2.2 Image
Exposure
This section mainly allows user to control the settings pertaining to exposure mode and day night modes.
Figure 4 - 5: Exposure
Basic Settings
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Exposure Mode
There are 4 modes to select from as follows:
•
Auto: with certain pre-settings, the camera automatically determines the correct exposure for pictures without user input
settings for further exposure before taking videos.
•
Flickerless: this mode allows camera to override the shutter speed, which will help avoid from the interference of fluorescent
lights in some environments.
•
Shutter Priority: it enables user to select a specific shutter speed for adjustment of aperture to ensure a correct and proper
exposure.
•
Manual: a mode that allows user to manually control both gain value and shutter speed. It is recommended for an
experienced administrator to adopt this mode.
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Max / Min Shutter Speed
Select the minimum and maximum shutter speed individually for the “Auto” exposure mode only.
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Fixed Iris Control:
•
Full: the Iris will always leep fully open to maintain enough exposure.
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EV
It is the exposure compensation option telling camera by setting value from -2 to 2 for scenes to be either darker or brighter.
(Unavailable when exposure mode is Manual)