2.3Graphical User Interface (GUI)

2.3.6Control Panel

Contains the most frequently used controls such as for image observation, and image recording. Usual operation can be performed using the Control Panel and the Manual Operation Panel.

2.3.6.1Functional Windows on the Control Panel

Electron gun control Scan control

Image recording

Auto control/Monitoring function

Stage control

 

Magnification control

Capture control EVAC/AIR control

Fig. 2.3-6 Control Panel

2.3.6.2Electron Gun Control Unit

Accelerating voltage ON/OFF button, accelerating voltage settings Vacc, and emission current Ie display

Fig. 2.3-7 Electron Gun Control Unit

When conditions that allow the application of accelerating voltage to the electron gun (appropriate vacuum levels in the electron gun and specimen chambers), the ON button is enabled, and the Vacc indicator blink alternately in yellow and blue. Clicking the ON button applies the accelerating voltage, turns the Vacc indicator yellow, and causes the le section to display the emission current.

OFF button shuts the gun accelerating voltage down.

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