Hitachi S-4800 manual

(1) Setting Photo Condition

To select the conditions for photo recording, open the Setup dialog window – Record tab by

clicking the icon on the tool button section of the operation panel, or by selecting the Photo Condition command in the Setup menu.

(a) Photo Speed

[Direct Photo]

Recommended selection is 80 seconds.

Use a 40-second scan for beam-sensitive specimens, or to shorten recording time. A selection of 160 or 320 seconds is recommended for recording X-ray mapping images. number of scanning lines is shown below the selection box.

[Memory Photo]

The number of scanning line is selectable.

Normal: 640x480 pixels image →960 lines (16/19sec) 1280x960 pixels image →960 lines (16/19sec) 2560x1920 pixels image →1920 lines (16/19sec)

Enhance: 640x480 pixels image →960 lines (16/19sec) 1280x960 pixels image →1920 lines (16/19sec) 2560x1920 pixels image →1920 lines (16/19sec)

(b) Contrast/Brightness

Use slider controls to adjust brightness and contrast of recorded images. Set the controls in plus areas to brighten or enhance contrast. Set them in minus areas to darken or reduce contrast. These values indicate compensation factors for brightness and contrast on the scanning image.

(c) Film

[Film Speed (ISO)]

Select the speed (sensitivity) of the film. This parameter is necessary in order to obtain the adequate brightness of recorded images for various types of film.

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