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(b) Differential:
Differential 1 and 2 are high-pass filters for the image signal. When applied, the image is
differentiated in a horizontal direction and details of the image are emphasized, while
broad shades are suppressed. Results vary with scanning speeds because it applies
time domain differentiation.
(c) Invert:
Inverse contrast.
3.9.6 Operating Condition Memory
The Operating Condition Memory is provided for saving and loading conditions of the electron
optical column. If the column is aligned and a specimen is observed at a particular accelerating
voltage, the same condition can be reproduced by saving and loading the condition memory.
(1) Saving Present Operating Conditions
Use the following steps to save the present operating
conditions.
(a) Open the Setup dialog window
Select Condition Save from the Operate menu, or
click the Setup button in the tool button section of the
operation panel and select Op.Cond tab.
Select Save Present Condition on it.
(b) Refresh present condition data
Condition items are memorized when the tab is
brought up. If column condition is changed while the
tab is opening, the Update button memorizes the
present condition.
NOTICE
The memorized condition data remains until the
Update button is clicked, even when loading
previously stored condition. Update the present
condition by the Update button before saving.
(c) Capture an image as a sample picture
The Capture button capture the present scanning
image.
It can be memorized together with condition data.