JEOL JSPM-5200 Instructions Manual page 199

５ MEASUREMENT OPERATION
■ Approaching
1 .
Click on the Approach On button in the STM tab window.
Automatically, approaching starts. When approaching finishes, the Approach
window asking "Auto Approach Stopped" is displayed in the center of the screen.
2.
Click on the Close button.
Considerations in using Approaching
•
When the Approach On bu
Click on the Retr
scanner is forced to shrink most and cannot be approached.
• Speed of approaching
You can specify the speed of approaching on the Advanced tab window. You cannot
adjust the speed of approaching in the basic operation mode. Be aware that you can
change the speed of approaching only when using the ultra-high vacuum SPM.
• Judgment of approaching conditions
Whether approaching has finished or not is judged by measuring the voltage applied
to the Z scanner. The voltage is set to ± 0 V at the time of shipment from the factory.
You can specify settings for finishing the approach on the Advanced tab window.
• Halt of approaching
When approaching has begun, the Approach On button changes to the Approach
Off button. If you click on this button, the approaching stops.
■ Image observation
To observe an image, click on the Scan button.
Scanning will start and an image will be displayed on the Display Window.
5-136
tton is displayed in gray
act Off button. When the Retract Off button is not selected, the Z
TMPM5200-2