High-Voltage Selection; Operation Of Specimen Holder; Removing Specimen Rod; Load Specimen - LEO 912 OMEGA Brief Manual

Microscope Operation
1.3
1.4
1.4.1
1.4.2
2

High-voltage selection

•
Call the GUN menu with softkey GUN.
– The selected high voltage is highlighted.
•
Push the corresponding softkey to change the high voltage.
– The new high voltage value is highlighted.
– The objective lens is calibrated for this high voltage value
(indicated by 2 sound signals).
•
Return to main menu with softkey RETURN.

Operation of specimen holder

SPECIAL NOTE:
Lock-in/out is only possible if the red LED
display STOP on the goniometer is out. If
not, air will penetrate into specimen and
filament chambers and the ion getter
pump will shut off.
Rule:
No action if LED display STOP is on.

Removing specimen rod

•
Retract rod as far as it will go and turn it carefully counter-clockwise until
it stops.
– Airlock valve closes (click).
•
Again turn rod counter clockwise until stop and pull it carefully out of the
goniometer.

Load specimen

•
Place specimen rod in container.
•
Loosen screw with collet chuck and lift it together with holding bow off.
•
Insert new grids with tweezer.
•
Replace holding bow and tighten screw.
High-voltage selection
red LED
display
STOP
LEO 912 OMEGA