5 Commissioning and First Operating Steps | 5.9 Shutting down the System
ZEISS
5.9 Shutting down the System
5.9.1 Finishing the Work Session
NOTICE
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 microscope is in ON mode.
Procedure
1. In the GeminiSEM Control panel, select the
Gun
tab.
2. Activate the
EHT Off @ Log Off
checkbox.
3. Activate the
Leave Gun On at Shutdown
checkbox.
4. Only when interrupting work for longer periods between 2 and 7 days: In the
Vacuum
tab
activate the
Partial Vent on Standby
checkbox.
à
This maintains the gun vacuum, and switches off and protects the turbo pump.
5. Exit the SmartSEM user interface. Refer to
Exiting the SmartSEM User Interface [
6. Close all programs and software.
7. Select
Windows start button > Power icon > Shut down
.
8. At the front of the plinth, press the
Standby
button.
à
The microscope switches to Standby mode.
5.9.1.1 Exiting the SmartSEM User Interface
Procedure
1. From the
Menu Bar
, select
File > Exit
.
à
A system message is displayed.
2. Click
Yes
.
3. Close the
EM Server
.
à
A system message is displayed.
4. Click
Yes
.
5.9.2 De-energizing the Microscope
Prerequisite
ü
The microscope is in Standby mode, refer to
Procedure
1. To switch to Off mode, press the
Off
button at the front of the plinth.
à
The yellow
Standby
button blinks during shut down.
à
When all subsystems are fully deactivated, the
Off
button lights up red permanently.
à
Computer, electronic components, and vacuum system are switched off.
à
The electron optical column is partially vented.
à
A 24 V auxiliary voltage is still present to restart the microscope.
2. To cut off the compressed air supply, close the compressed air main shut-off valve.
3. To cut off the nitrogen supply, close the nitrogen main shut-off valve.
4. To cut off the cooling water supply, close the main shut-off valve for water.
5. Set the
MAIN
switch to the Off position.
112
Instruction Manual ZEISS GeminiSEM series | en-US | Rev. 2 | 349500-8138-000