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36 C2950M-D (3/10)
5. Select the Exposure Optimization setting: Normal or Action. These are optimizations of the Digital Exposure control.
Normal: This setting is for very bright scenes and exposure time is very short. As the scene becomes less bright, the exposure time is
increased until the maximum exposure time is reached. Normal is the default setting.
Action: This setting operates similar to Normal except the short exposure times are used for both bright and mid-level lighting. This
minimizes the blur in video caused by moving objects. For very low light scenes, Action optimization operates the same as Normal,
increasing the exposure time until the maximum exposure time is reached.
6. Set the Exposure Compensation setting. Move the slider bar to the right to brighten the video, or move it to the left to darken the video. The
exposure compensation range is –100 to 100; the default setting is 0 (zero).
7. Color cameras only: Set the Max Exposure Time and Night Max Exposure Time.
Max Exposure Time: This setting controls the maximum time in milliseconds that an image is exposed during daytime conditions.
Decreasing Max Exposure Time reduces the blur caused by fast moving objects as the light dims, but it also reduces the light sensitivity of
the camera. The exposure range is 1 to 500 msec; the default setting is 33.3 msec.
Night Max Exposure Time: This setting controls the maximum time in milliseconds that an image is exposed during dim light, such as
nighttime conditions. Increase this time to increase the light sensitivity of the camera. The exposure range is 1 to 500 msec; the default
setting is 120 msec.
8. Day /night cameras only: Set the Day Max Exposure Time and Night Exposure Time.
Day Max Exposure Time: This setting controls the maximum time in milliseconds that an image is exposed when the camera is in
Day (Color) mode. Decreasing Max Exposure Time reduces the blur caused by fast moving objects as the light dims, but it also reduces the
light sensitivity of the camera. The exposure range is 1 to 500 msec; the default setting is 33.3 msec.
Night Max Exposure Time: This setting controls the maximum time in milliseconds that an image is exposed when the camera is in
Night (black-white) mode. Increase this time to increase the light sensitivity of the camera. The exposure range is 1 to 500 msec; the
default setting is 120 msec.
9. Day/night cameras only: Set the Day Exposure Time and the Night Exposure Time.
Day Exposure Time: This setting is the maximum time in milliseconds that an image is exposed during daytime conditions. Decreasing
exposure time decreases the light sensitivity of the scene and reduces the blur caused by fast moving objects; however, it increases the
amount of noise in the scene. The day maximum exposure time range is 1 to 500 msec; the default setting is 33.3 msec.
Night Exposure Time: This setting is the maximum time in milliseconds that an image is exposed during nighttime (black-white)
conditions. Increase the exposure time to increase light sensitivity of the scene. The night maximum exposure time range is 1 to 500 msec;
the default setting is 120 msec.
10. Day/night cameras only: Set the Day Night mode to Auto or Manual.
Auto: This setting automatically controls the IR cut filter determined by the Transition Level and the Transition Detect settings.
Manual: This setting sets the IR filter to a fixed position. The filter can be set to the Day (color) position or the Night (black-white) position.
Refer to the following section for more information:
• Day Night Settings on page 38