Operation Manual

English _89
● SETUP SCREEN
To Set Exposure (SNB-6003/SNB-6004)
You can adjust the exposure level of the camera.
1. Select <Exposure>.
2. Select each item and set it properly.
• Brightness : Adjust the screen
brightness.
• Minimum shutter : The limit of the
longest exposure time.
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Shutter is the mode to set up the range of
the sensor exposure time which will specify the upper and lower limits for the electronic shutter
movement.
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The framerate may be reduced in the dark condition if Shutter has a lower value than specified in
the Sensor mode.
• Maximum shutter : The limit of the shortest exposure time.
• Anti flicker : It prevents screen flickering incurring from the dissonance between
the surrounding lighting and the frequency.
• SSNR : Select Able or Disable for the video noise elimination function.
• SSNR level : Adjust the noise reduction level.
• Lens : Select to set the lens mode of the camera to Manual or Auto.
- DC(Auto) : Select this if you use the DC lens. Only the iris is adjusted
automatically, but the focus is not controlled automatically.
- Manual : Select this if you use a lens on which you adjust the iris and focus
manually.
- P-Iris : It is selected to use the iris control lens equipped with a step motor.
Currently, only 3 types of P-iris lens are supported. (SLA-M3180PN/M13VP288IR/
SLA-M2890PN)
• P-Iris : Set up P-Iris.
- Auto : The iris is automatically adjusted to the amount of the surrounding light.
- Manual : Sets the iris manually to the desired position.
• P-Iris position : Set up the P-Iris position.
• AGC : Select AGC Control mode.
Adjust the gain value of the video (that, in particular, was recorded at a low
contrast scene and had a lower brightness level than normal) to control the video
brightness.
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The lens may malfunction if the <Lens> mode is not reset during lens assembly or disassembly.
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The image exposure can be saturated depending on the Shutter setup range.