Hitachi Microscope & Magnifier S-3400N 用户手册

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3.5    Operation for Image Observation 
3 - 38 
3.5.2  Selecting Magnification 
 
There are several ways to select a magnification. 
 
(1)  Manual Operation Panel 
The MAGNIFICATION knob can be used to set a magnification. 
See 2.2.3    Manual Operation Panel. 
 
(2)  Dragging the mouse in the Magnification indication area on the Control panel. 
 
 
 
Fig. 3.5-10    Magnification Control Unit 
 
To increase magnification, drag the mouse to the right.    To decrease magnification, drag 
the mouse to the left.    For coarse changes, press the right button and for fine changes, the 
left button. 
 
(3)  Clicking the mouse button in the Magnification indication area 
Magnification increases in incremental steps by clicking the right button and decreases by 
clicking the left button. 
 
(4)  Using a pre-set magnification 
Two preset buttons can be used to recall up to two pre-defined magnifications.    If a given 
magnification is already assigned to a preset button, the indicator  PM   is displayed to the 
right of that magnification. 
A magnification can be preset by either clicking Mag.Preset Setup on the Setup menu, 
clicking the 
  button above the Preset button, or right-clicking the Preset button. 
 
NOTICE:  If the preset magnification is lower than the minimum possible magnification for the 
current WD value, the magnification is set to the minimum value.