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- flip up the "EVAC-AIR" switch to "EVAC"
- Pumping will be complete when the green lamp is lit and makes an alarm sound, (The green lamp is lit
for about 10 seconds. During this period of time, the lock mechanism is released)- turn the specimen
holder clockwise 30°; holder is inserted into the column, but not into viewing position- turn the
specimen holder counterclockwise 15°; When the holder is further inserted, it reaches the viewing
position.
NOTE The Specimen stage is equipped with a microswitch in order to check setting of the specimen holder. If
this switch has not been pressed, the instrument system may judge that no specimen holder is set in the stage
and evacuation may not start. In this case, push the holder lightly into the stage.
NOTE: Expect for 10 Seconds after completion of pre-evacuation, the specimen holder cannot be inserted into
the objective lens. If the holder is forcibly turned, problems such as damage of the lock mechanism and dump
the column vacuum.
If you miss the window of green light and beep sound, the level of vacuum in the specimen chamber will
degrade. So, conduct re-evacuation by turning specimen chamber evacuation to AIR and then EVAC
again. Unless this operation is performed, the lock mechanism cannot be released.
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