Turn on the filament/beam
(a) Turn on the filament voltage (
if the filament voltage is off
)
- “
Operation
” -> “
HV/Filament Operation
”
- click “
Filam. on
”, it takes about 30 seconds
(b) Turn on the beam
- Select Auto mode, click “
Beam On
”
under Auto mode, the filament current will automatically turn on and turn off when you
loading or remove the sample holder
(c) Click
Run
, to turn on the screen camera. (Left display)
Specimen height adjustment
(a) Push “
Lens reset
” button on the operation panel Once
(b)At 20 Kx, find a feature near the middle of the viewing screen
(c) Press the “
WOB
” button on the operation panel;
(d) Adjust image focus by manipulating the Z control knob of the specimen stage the image on the screen
should remain steady, cancel “
WOB
” button