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4.2.3 Changing Specimens
1. In the Midst of Observing a Specimen During the observation of a specimen, click
the stop button on the Operation Window to terminate the observation process. Press the
EVAC/AIR switch; wait for 3 minutes until the specimen chamber reaches the atmospheric
pressure. The AIR LED (yellow) will blink, and then light up solidly.
2. When the specimen chamber has reached the atmospheric pressure, grasp the handle to
pull out and specimen stage, and take out the specimen stub from the stage.
Figure 4.2.3-1 EVAC/AIR Switch Operation (Introducing the Air)
NOTICE : Introducing air before finishing observation can cause a blown filament or
shorten its life.
3. When not Observing a Specimen If the EVAC LED (blue) is lit, press the EVAC/AIR
switch and wait for about one minute until the specimen chamber reaches the atmospheric
pressure.
4. After the specimen chamber has attained the atmospheric pressure, grasp the handle to
pull out the specimen stage, and pull out the specimen stub straight up.
Figure 4.2.3-2 Pulling Out the Specimen Stage
Specimen stage
Handle
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