Hitachi Microscope & Magnifier S-3400N User Manual

Page of 466
3.5.7 
3 - 65 
(8) Position display 
The size of the specimen, its present position and rotation angle are displayed on the XYR 
position monitor area. 
 
 
 
 
Fig. 3.5-35  Position Display 
 
When sample and stage coordinates are selected, the following scale values apply; the 
example below applies to a 
∅15 mm sample. 
When the specimen is moved, the numbers associated with the vertical and horizontal axes 
at the intersection of the red cross epresent the coordinates of the position that is being 
irradiated by the beam. The numbers change when the specimen size is changed. 
 
 
Sample coordinates 
Stage coordinates 
 
 
 
 
 
Fig. 3.5-36    Differences of values displayed in sample position monitor 
 
Straightline on specimen circle:  Angle of specimen rotation. 
Directly above at 0
°.
 
Green rectangle:  Scanning direction of electron beam on specimen. 
Turns by raster rotation. Red circle corresponds to 
upper left pos. on screen. 
Red cross cursor intersection: Electron beam irradiation position
Blue square: Observable area on the specimen. 
White circle: Specimen stub