Main Tab "Camera; Exposure - Siemens CCMS2010-IRW User Manual

Main Tab "Camera"

12.5

12.5.1 Exposure

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Under the tab <Camera>, there are submenus including: <Exposure>, <White
Balance>, <Picture Adjustment>, <Backlight>, <Digital Zoom>, <IR Function>,
<WDR Function>, <Noise Reduction> and <TV System>.
The Exposure setting can be found under this path: Camera> Exposure.
Exposure is the amount of light received by the image sensor. It is determined by
the width of lens diaphragm opening, the shutter speed and other exposure pa-
rameters. With these items, users can define how the Auto Exposure function
works. Users can select one of the exposure modes according to the operating
environment. Click on <√> to confirm the new setting.
Each exposure mode is specified as follows.
Auto Mode
 Max Gain
Maximum Gain can be set to reduce image noises. The Max Gain range is 1dB to
3dB, or select <Off> to disable the function. The default setting is 3dB.

Auto Shutter Mode
In this mode, the camera will automatically adjust the shutter speed and the iris
size according to the light intensity. It is also effective if a fixed iris lens is being
used. The minimum shutter speed range is configurable from 1/500 to 1 sec.
(NTSC) or 1/425 to 1/1.5 sec. (PAL).
 Shutter Priority Mode
In this mode, it is the shutter speed that takes the main control of the exposure.
The range is configurable from 1/500 to 1/30 sec. (NTSC) or 1/425 or 1/25 sec.
(PAL).
NOTE: This mode is not available for Fixed Focal Lens Models.
Manual Mode
With this mode, users can select the suitable shutter speed, iris size and gain val-
ue according to the environmental illumination. The shutter speed range is from
1/10000 to 1 sec. (NTSC) or from 1/10000 to 1/1.5 sec. (PAL). The range of the
iris size is from 0 to 9, or selects <Full open> to fully open the iris. The gain value
range is from 1dB to 9dB, or select <Off> to disable the function.
NOTE: The <Iris Size> setting is only available for models with 3x Zoom Lens.
NOTE: The <Gain> setting is not available for Box Camera.
Camera settings
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