Huawei VP9050 User Manual page 72

HUAWEI VP9050 Executive Video Terminal
User Guide
Step 1 Choose Settings > Display > Video Parameters > DVI/VGA IN.
Step 2 Set the parameters listed in Table 8-3.
Table 8-3 HUAWEI HD camera parameters
Parameter
Exposure
mode
White
balance
Aperture
Contrast
Brightness
Hue
Noise
reduction
Video
resolution
Image
inversion
Backlight
compensation
Issue 03 (2011-12-10)
Description
This specifies the mode of using natural light. You can select one of the
following modes:
Auto: In this mode, the VPC500 and the VPC520 automatically select

the optimum configuration based on the ambient environment. You can
set the shutter delay as required to prevent poor video quality caused by
the vibration of the VPC500 and the VPC520.
Manual: In this mode, you can manually adjust the brightness gain,

shutter rate, and aperture.
Iris priority: In this mode, you need to manually adjust the aperture.

The C500 can automatically select the corresponding shutter rate.
Shutter priority: In this mode, you need to manually adjust the shutter

rate. The VPC500 and the VPC520 can automatically select a proper
aperture. This mode is mainly used for shooting moving objects.
Spotlight: If the light reflected from a surface is very bright, you can

select this mode to obtain optimum video effects.
Brightness: In this mode, you can manually adjust the brightness.

This specifies the white balance to enable the camera to accurately
recognize the white color and deliver a more vivid video. The default
value is Auto.
Sharpen video edges and contours to preserve the impression of clarity
and fine details. Over-sharpening will make video less realistic.
This specifies the ratio of the luminance of black to that of white. If the
ratio increases, the number of perceptible degrees from black to white
increases, and video colorfulness improves.
This specifies the video output level that changes the brightness of the
video displayed on a monitor.
The hue of a video defines the video brightness. The more bright elements
a video contains, the vivider the video looks. On the contrary, the more
dark elements a video contains, the dimmer the video looks. A color video
can have multiple hues.
The greater the value of this parameters is, the less the noise of the video
is but the more lost video details are. Therefore, set this parameter as
required.
This specifies the camera's video output format.
This rotates the video input from the camera by 180 degrees. When the
camera is hanged, enable this function.
If the background of the video input from the camera is dark, enable this
function.
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8 Video and Audio
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