Samsung SRN-4000 User Manual page 59

exposure
You can adjust the exposure of your camera.
Brightness control, shutter, SSNR, Sens-up, shutter/lens, and gains can be set.
day/night
You can change the mode to adjust the color and contrast.
Mode, switching time, brightness change, alarm time, alarm input/output, negative color, daytime/nighttime
switching and simple focus, and activation time can be set.
Special
DIS (shaking compensation), use of Defog levels can be set.
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