Hitachi S-4800 manual Image tab

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.

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