5 Commissioning and First Operating Steps | 5.8 Working with Variable Pressure
ZEISS
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.
NOTICE
Wrong aperture
Setting the wrong aperture could damage the microscope.
4
Always set the correct aperture size.
Procedure
1. From the
Menu Bar
, select
Tools > GoTo Panel
.
à
The
Panel Configuration Bar
is displayed. It contains an alphabetical list of functions.
2. Double-click
Beamsleeve Configuration
.
à
The
Beamsleeve Configuration
wizard is displayed where you have to set the aperture
size.
3. Follow the instructions of the
Beamsleeve Configuration
wizard.
4. Insert the pneumatic stop onto the beamsleeve
slide.
106
Instruction Manual ZEISS GeminiSEM series | en-US | Rev. 2 | 349500-8138-000