Hitachi S-4800 manual 6.3 R.ROTATION block, Scan Mode block

2.3.6.3R.ROTATION block

Controls electron beam scanning direction to rotate image.

Rotation ON/OFF check box Rotation angle set and indication box Angle adjust slider

Angle adjust button

90°step rotate button

To activate raster rotation, check the ON/OFF check box.

Rotation angle can be set with the slider, clicking the side of slider, clicking the Angle adjust button or with 90°step rotate button.

2.3.6.4SCAN MODE block

Selects a scanning mode

Scaning mode buttons

Norm

Line

Spot

Area

Beam monitor active button

(1) Normal

Image observation mode

(2) Line

Displays a line profile of the signal intensity as a horizontal line in the observing image.

(3) Spot

Stops the scanning and places the electron beam at a specified point on the image. Used for X-ray analysis of a point on the specimen.

(4) Area

Scans the electron beam in a selected frame in the image. Used for X-ray analysis of a specified area on the specimen.

An advantage to this is that it allows an area-averaged spectrum as the beam is scanned over a specified area, greater than the beam spot. Another advantage is that it reduces the likelihood of specimen contamination in comparison with the stationary beam in Spot Analysis mode.

(5) Beam monitor active button

Beam monitor is active when the box is checked.

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