JEOL JSM-IT200 Instructions Manual page 150

For easier observation・・・
•
Change the scanning speed
Press and hold the Fast icon and choose either 0.5 s or 1.0 s for the scanning speed.
The image gets clearer as the scanning speed becomes slower.
•
Change the probe current (PC.)
The image gets clearer as the PC. value becomes higher. (Brightness may change as well.
Use the ACB icon to adjust the brightness.)
•
Increase the accelerating voltage
Contrast can be enhanced by increasing the accelerating voltage to 20 kV.
8.
Use Click Center to move the target area to the center of the screen.
Double-Click the target area of an image on the display.
The selected area is moved to the center of the screen automatically.
9.
Check whether the specimen has become charged
Increase the magnification and check to see if the specimen has become charged-up.
If the specimen is charged up, remove the charge either by increasing the pressure, or lowering the
accelerating voltage and the probe current.
No.ISMIT200-1E
Low ←
Pressure
More ←
Charging
Bright ←
Brightness
.
→ High
→ Less
→ Dark
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