System Overview Column - Hitachi HT7800 User Manual

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Cold fingers – only
used when needed
Objective aperture
(automized)
COL power switch
(high voltage,
lenses, deflection
system)
Condenser aperture
Goniometer switch panel
Power switch panel
EVAC power switch
(evacuation system).
Do not touch!
Sample holder
EMERGENCY OFF switch
(should be used in case
of an emergency like
water leakage or fire
exposure). Special
procedure must be
followed for switching
on the system again).
2

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