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Setting Built-in Camera Parameters

Setting Built-in Camera Parameters

You can set the parameters of the built-in camera, such as the exposure mode, white balance, image mode, and noise reduction and view the video effect on the display device.

Procedure

  1. Choose Device Control > Device Control and click the Built-in Camera Parameters tab.
  2. Set the built-in camera parameters listed in Table 4-4.

    Table 4-4  Built-in camera parameters

    Parameter

    Description

    Setting

    Exposure mode

    Specifies the mode for using natural light. You can select either of the following modes:

    • Auto: The built-in camera automatically selects the optimum exposure and white balance settings based on the ambient environment.

    • Manual: You must manually set the following exposure and white balance parameters:
      • Brightness gain: adjusts the video brightness.
      • Shutter speed: adjusts the shutter speed.
      • Iris: adjusts the aperture size.
    • Iris priority: When you manually adjust the aperture, the camera selects the corresponding shutter rate.
    • Shutter priority: When you manually adjust the shutter rate, the camera selects the corresponding aperture. This mode is mainly used to shoot moving objects.

    The default value is Auto.

    White balance

    Specifies the white balance to enable the camera to accurately recognize the color white and deliver more vivid videos.

    • Auto: The camera automatically calculates and outputs the value using color information from the entire screen.
    • One-push: This is a fixed white balance mode. Once you select this mode, the value is automatically adjusted. This mode assumes that the camera shoots a white subject occupying more than 1/2 of the image, under correct light conditions. The mode is lost when the endpoint is powered off. You have to reset this mode after the endpoint is powered on.
    • Manual: You need to manually adjust white balance.
      • Red gain: adjusts the brightness of red signals.
      • Blue gain: adjusts the brightness of blue signals.

    The default value is Auto.

    Video mode

    Specifies the output video display effect.

    • Standard: reproduces video more faithfully.
    • Vivid: delivers brighter video with cooler colors.
    • Natural: delivers video with warmer colors.
    • Custom: delivers video with custom settings. After you select this option, you can set the following parameters.
      • Aperture: sharpens video edges and contours to preserve the impression of clarity and fine details. Over-sharpening will make video less realistic.
      • Brightness: specifies the video output level that changes the brightness of the video displayed on the monitor.
      • Contrast: Adjusts color levels to facilitate the distinction between two colors. If the contrast is higher, the difference between the light and dark extremes of a color is more distinct.
      • Hue: adjusts the video color.
      • Saturation: adjusts the grayscale of each color. The higher the saturation, the brighter a color.

    The default value is Standard.

    Noise reduction

    Removes noise artifacts from video. A larger value causes the video to have less noise but detail may also be lost.

    The default value is Low.

    Flickering suppression

    Specifies whether to enable the flickering suppression function. Video images will flicker if the camera's refresh rate differs from the power frequency. After the flickering suppression function is enabled, video image flickering will be eliminated.
    NOTE:
    This parameter is available only after Exposure mode is set to Auto. If Flickering suppression is set to Enable, you also need to set Power frequency.

    The default value is Enable.

    Power frequency

    Specifies the power frequency of the country where you reside.

    The default value is 50Hz.

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Updated: 2019-06-25

Document ID: EDOC1100054967

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