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ZEISS
5 Commissioning and First Operating Steps | 5.4 Acquiring an Image
5.4.2.3 Venting the Specimen Chamber
WARNING
Suffocation hazard due to lack of oxygen
Gaseous dry nitrogen is used to vent the specimen chamber during specimen exchange. Inhal-
ing nitrogen may cause unconsciousness.
4
During specimen exchange, keep the chamber door open as short as possible.
4
Do not inhale the air from within the specimen chamber.
4
Ensure that the area around the microscope is sufficiently vented.
4
If you begin to experience symptoms of asphyxia (for example: rapid breathing, loss of
mental alertness and/or muscular coordination, depression of sensations, emotional insta-
bility, fatigue) leave the room immediately and inform the facility’s safety officer.
Procedure
1. In the SEM Controls panel, select the
Vacuum
tab.
2. Click
Vent
.
à
The
Vent
message box is displayed.
3. To start venting, click
Yes
.
INFO:
If the
Stage is not initialized
system message is displayed, refer to
.
à
The specimen chamber is purged with gaseous nitrogen.
5.4.2.4 Mounting the Specimen Holder
WARNING
Suffocation hazard due to lack of oxygen
Gaseous dry nitrogen is used to vent the specimen chamber during specimen exchange. Inhal-
ing nitrogen may cause unconsciousness.
4
During specimen exchange, keep the chamber door open as short as possible.
4
Do not inhale the air from within the specimen chamber.
4
Ensure that the area around the microscope is sufficiently vented.
4
If you begin to experience symptoms of asphyxia (for example: rapid breathing, loss of
mental alertness and/or muscular coordination, depression of sensations, emotional insta-
bility, fatigue) leave the room immediately and inform the facility’s safety officer.
CAUTION
Moving the specimen stage
Fingers can be trapped by the moving specimen stage.
4
Always close the chamber door before moving the specimen stage.
4
To remove parts fallen into or near to the stage use a tool (e.g. tweezers) instead of your
fingers.
CAUTION
Closing the chamber door
Fingers can be pinched when closing the chamber door.
4
Use the door handle to close the chamber door.
4
Ensure not to get your fingers caught in the chamber door gap.
Instruction Manual ZEISS SIGMA series | en-US | Rev. 7 | 352102-9344-006
87