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Acoustic Imager User Manual
11
White Balance
White balance is the white rendition function of the device. It is used to adjust the color
temperature according to the environment.
Figure 4-1 White Balance
DNR
Digital Noise Reduction is used to reduce the image noise and improve the image quality. Normal
and Expert modes are selectable.
Normal
Set the DNR level to control the noise reduction degree. The higher level means stronger
reduction degree.
Figure 4-2 DNR
4.2.2 Video Standard
Video standard is an ability of a video card or video display device that defines the amount of
colors that are shown and the resolution. In PAL, 25 or 50 frames are transmitted each second.
Each frame is made up of 625 individual scan lines. Select video signal standard according to the
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