Zeiss Crossbeam 550, Instruction Manual

Page: 73 / 136

ZEISS 6 Operation | 6.2 Obtaining a First Image
6.2.3.2 Moving the Specimen to the Proper Height
1. In the Stage Navigation Bar, drag the Zoom View slider to the right end, so that the
schematics are zoomed in.
2. In the Crossbeam SEM Control panel, select the Imaging tab.
3. In the Detector / Active Channel section, select USB TV1 from the Signal A drop-down list.
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The inside of the specimen chamber is visible in the Image Area.
4. Use the dual joystick to carefully move up the stage so that the stub you are using is in the
center of the upper schematic.
NOTICE Risk of property damage: Observe the camera image in order not to
crash into the pole piece.
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INFO: After loading the specimen, there is the possibility to use the Sample Type Selec-
tion Function to automatically set a number of key parameters. Refer to Using the Sam-
ple Type Selection Function.
6.2.4 Switching on the Gun
NOTICE
Risk of property damage: Schottky field emitter
If the Schottky field emitter is switched on and off too frequently or inappropriately, its lifetime
is reduced.
4
Avoid switching off the gun during the working week.
4
Use Standby mode for the weekend or a break of up to a week.
4
When using the Standby mode, activate the Partial Vent on Standby function.
Prerequisite ü The chamber and the gun head have been evacuated.
1. In the right part of the Status Bar , verify whether the gun is switched on or off.
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If or is displayed, the gun is already switched on and you can skip the fol-
lowing steps.
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If is displayed, the gun is switched off. Follow the operating steps within this
chapter.
2. In the Crossbeam SEM Control panel, select the Vacuum tab.
3. Verify that the EHT Vac ready readout is EHT Vac ready = Yes .
If not, the correct vacuum is not achieved. Check if the Pump procedure has been com-
pleted.
4. In the right part of the Status Bar , click .
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The pop-up menu for vacuum, gun, and EHT activation is displayed.
5. Click Gun On .
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The gun runs up.
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This may take up to 5 minutes.
Instruction Manual ZEISS Crossbeam 550L, Crossbeam 550 | en-US | Rev. 3 | 349500-8122-000 73