Hitachi Microscope & Magnifier S-3400N User Manual

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2.3.7 
2 - 39 
2.3.7.1  ELECTRON BEAM Window 
 
This block allows you to turn the accelerating voltage on and off, and to set the probe current. 
 
 
 
 
 
Fig. 2.3-25    Electron Beam Window 
 
(1)  Accelerating voltage selection box 
To set an accelerating voltage, either enter a numerical value directly in this box or select a 
desired value from a list that is displayed by clicking a pull-down menu. 
 
(2)  Accelerating voltage micro-adjustment button 
By clicking the Up and Down arrows, you can adjust the accelerating voltage in 0.1kV 
increments. 
 
(3)  Accelerating voltage ON/OFF button   
This button turns the accelerating voltage on and off. 
 
(4)  Probe current selection box 
You can set a probe current by either entering a numerical value directly in this box or 
selecting a desired value from a list that is displayed by clicking a pull-down button. 
 
(5)  Probe current micro-adjustment button 
By clicking the Up and Down arrows, you can adjust the probe current in 0.1 increments. 
 
(6)  Probe current setting slider 
By moving the slider to the right or left, you can vary the probe current. In addition, by 
clicking the side of the slider, you can adjust the probe current in 0.5 increments. 
 
 
Vacc selection box 
Vacc micro adjustment button 
Vacc ON/OFF button 
Probe current selection box 
Probe current micro adjustment button
Probe current setting slider