Configuration
Slow Speed Shutter | The Slow shutter can be turned “ON” if the sensitivity is still not so | ||||||||
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| good under “High” gain condition at dark. The optimum image level can | |||||
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| be maintained by appropriate gain and shutter combination which are | |||||
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| determined automatically inside camera system. | |||||
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| As slow shutter activates, the exposure time becomes longer and | |||||
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| frame rate becomes smaller. Blurred images sometimes are prominent | |||||
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| with moving objects. | |||||
Back Light Compensation | Set an area for backlight compensation. If backlight compensation is | ||||||||
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| activated, the camera performs the exposure control only within the | |||||
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| specified area. | |||||
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| Backlight compensation is a function that achieves the brightness of a | |||||
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| selected area to an optimum image level. This function is necessary | |||||
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| when an auto iris lens tends to close due to an intense light coming | |||||
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| from the back of the object in the area to be viewed so that areas | |||||
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| become dark and visibility deteriorates. In this case, set the area so | |||||
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| that the portion to be viewed is within the selected area. The area size | |||||
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| is roughly as shown in Fig. 2 below. | |||||
Sharpness | Set a sharpness effect. | ||||||||
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| “Sharp”: | sharpness is strong. | ||||
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| “Soft”: | sharpness is weak. | ||||
Gamma | “1”: May be selected for some specific area, such as FA application for | ||||||||
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| obtaining true video data. | |||||
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| “0.45”: This is default, suitable for CCTV application | |||||
White Balance | Set the white balance values to meet the environment condition for | ||||||||
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| best colour rendition. | |||||
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| z “AWB”: the colour of camera is automatically adjusted according to | |||||
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| external lighting condition. | |||||
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| z “Manual”: Adjustable by user manually, this is useful for some | |||||
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| specific condition which AWB may be unaffordable to perform | |||||
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| correctly. | |||||
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| z “Indoor”: Default for 3200K condition | |||||
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| z “Outdoor” Default for 5100K condition | |||||
Iris Adjustment | 19 steps of offset level from | ||||||||
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| level for an DC auto iris lens. Images become brighter as higher the | |||||
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| level is and becomes darker as lower the level is. | |||||
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1. OFF |
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| 2. Upper 2/3 (Area designation) 3. Lower 2/3 (Area designation) | ||||||||||||||||||
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4. Center 1/3 | 5. Center 1/6 (Area designation) 6. Left (Area designation) | 7. Right (Area designation) |
Fig. 2 Back Light Compensation
(The image level of shaded parts is maintained appropriate) When OFF, rear light correction is not performed.
Picture
| Picture Flip | Set image to be upside or down. Select ON or OFF to activate or |
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| deactivate the flip function. |
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| Picture Mirror | Set image to be left or right. Select ON or OFF to activate or deactivate |
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| the mirror function. |
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30 |
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Siemens Building Technologies |
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Fire Safety & Security Products | 01.2009 |
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