COXEM EM-30PLUS - Right Function Tap; Function

Scanning Electron Microscope EM-30PLUS Operating Manual
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2.6 Right Function Tap
2.6.1 Function
 Focus
Focus the image by adjusting current intensity of objective lens.
 : After selecting button, you can find coarse focus fast in wide area by adjusting
focus large using mouse.
 : After selecting button, you can adjust the image in coarse focus more finely
and find the optimal focus using mouse.
 : If you press button, you can find coarse focus automatically.
 Astig
After adjusting images focus, make circular properties towards X, Y directions of electron
beam to make more fine images.
 You can adjust it by using mouse wheel or dragging X, Y axis.