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2.3.8.2 Image tab
The Image tab is for setting operating condition regarding to image
observation.
(1) PRESET MAGNIFICATION block
Select or input desired value in the three preset magnification
boxes.
(2) ABCC block
If the results of ABCC are not adequate, you can change the
reference brightness and contrast. Adjustable range is –5 to +5.
(3) FAST SCAN AVERAGING block
Select number of frames to be averaged for TV1,2 and Fast1,2
speeds. Recommended numbers are 4 for TV1 and 8 or 16 for
TV2, 2 for Fast1 and 4 for Fast2. The higher the number of
frames, the better the attainable image quality. However, the
higher number results longer persistence time. Select optimal
value for present observing image.
NOTICE
The number of frames to be averaged are set for each screen mode (Full, Small or Dual)
independently. The value set while operating Full, Small or Dual screen modes are effective
when operating on each mode.
(4) CAPTURE SPEED/INTEGRATION block
Select number of frame integration for fast scan capturing in the Fast1, Fast2 boxes.
Select scanning speed for slow scan capturing in the Slow box.
(5) LINE PROFILE SIGNAL block
The signal for line profile can be selected independently with the signal for image. For
example, you can observe or take a photograph of an X-ray intensity line profile on the
secondary electron image. Select a signal for the line profile in the box.
When the Image is selected in the Background select buttons, the line profile is overlaid on
the image. When the Black is selected, only the line profile is shown on the screen.