Nidek Medical AFC-330, Руководство оператора

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OPERATING PROCEDURE : Control Menu
JPEG image quality Fine / Normal / Basic
The compression rate of created images can be changed. The file size
varies depending on the settings for images.
Digital zoom X1 / X2
X2 can be selected only when the image size is 3 M pixel or lower.
When X2 is selected, an enlarged image of the central part is displayed.
Image size 1 / 3 / 5 / 8 / 12 M pixel
The number of pixels for displaying captured images
can be changed. The file size varies depending on
the settings of images.
: Reduce
: Increase
Contrast -2 / -1 / 0 / +1 / +2
The contrast for displaying captured images can be
changed. Changing the value to the negative side
reduces the contrast and changing the value to the
positive side increases the contrast.
Sharpness 0 / +1 / +2 / +3 / +4 / +5
The sharpness for displaying captured images can
be changed. Increasing the value makes images
sharper. However, noises also increase.
Saturation -2 / -1 / 0 / +1 / +2
The color saturation for displaying captured images
can be changed. Changing the value to the negative
side reduces the intensity of colors and changing the
value to the positive side increases it.
• When “Digital zoom” is set to “X2”, a square mark shows the image capture area in the
fundus observation screen.
Item Options
JPEG
image quality
Fine Normal Basic
Number of
pixels
12M pixel
(2.2 MB) 1.4 MB 0.8 MB
8M pixel
1.4 MB 0.9 MB 0.5 MB
5M pixel
1.0 MB 0.6 MB 0.3 MB
3M pixel
0.7 MB 0.4 MB 0.2 MB
1M pixel
0.3 MB 0.2 MB 0.1 MB
• File size of a single image in various numbers of pixels and JPEG image
qualites with reference to the initial setting. These values vary depending on
the individual eye, photography mode, image brightness, and camera
settings (such and ISO speed and sharpness).
Guideline of file sizes
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Image capture area mark