FEI Quanta FEG 250, Руководство пользователя

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Stages: Stage Related Functions
7-11
Stage Related Functions
STAGE MOVEMENTS
Track
This function allows continuous directional stage movements at a
variable speed.
Press and hold the mouse wheel over an active electron image
window – the yellow dot appears onscreen at the mouse cursor point.
Move the mouse to the direction intended for an observation – an
yellow
arrow appears onscreen denoting the direction opposite to the
stage motion. The motion speed raises with the distance between the
arrow and the dot, the direction can be changed by moving the
mouse. When you come to the place of interest, release the mouse
wheel – the action stops.
In the second possible mode the mouse wheel does not need to be
held, just click it to start the Track motion and click it again to stop it
(see the
Preferences… / General tab).
FIGURE 7-9 TRACK FUNCTION
In the optical quad pressing the mouse wheel activates the stage Z
movement, which can be seen live.
• With the Mouse Wheel pressed, moving the mouse up / down
moves the stage up / down (Z-coordinate).
• Holding Ctrl key together with the Mouse Wheel pressed, moving
the mouse left / right tilts the stage left / right.
The direction is indicated by a yellow arrow, either pointing up / down
from the horizontal line or left / right from the vertical line.
Keyboard Stage Shift
The stage can be moved about 80% of the field of view in
perpendicular direction by clicking the appropriate keyboard
Arrow
key (with the Shift button pressed simultaneously about 40%).