Datavideo PTC-140NDIW Instruction Manual page 65

Exposure
In Exposure, you are allowed to set Exposure Mode, Exposure Value (EV),
Backlight Compensation (BLC), Anti-Flicker, Gain Limit and Dynamic Range
Compression (DRC).
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Mode: Available focus modes are Auto, Manual, SAE (Shutter Automatic
Exposure), AAE (Aperture Automatic Exposure) and Bright.
Auto – Fully automatic settings for shutter speed and aperture with ability to
adjust gain, dynamic range, backlight and anti-flicker.
Manual – Full iris, shutter speed and range control
Shutter Automatic Exposure – The camera will measure light and
automatically set the aperture based on your desired shutter speed.
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