Chapter 3 Operation
3.14 PFS (Perfect Focus System) Operation
85
PFS
DOWN
UP
PFS
OFFSET
CONTROLLER
FINE
COARSE
Figure 3-48 PFS Offset Controller
6. Focus on the target of the specimen, by
rotating the offset dial on the PFS offset
controller.
In step 5, the focus is set on the reference
position, not on the actual target.
To set the focus on the actual target, adjust the
offset by rotating the offset dial on the PFS offset
controller. For details, refer to Section 3.14.3,
“Offset Adjustment.”
MEMORY
PFS
ON RECALL
FOCUS
MEMORY
PFS
ON RECALL
FOCUS
Figure 3-49 Stopping the PFS function
7. To stop the PFS function, press the
illuminated PFS-ON switch.
The PFS-ON switch indicator turns off, and the
PFS function stops.
Be sure to stop the PFS function before
replacing the specimen or changing the
objective.
8. When observing without using the PFS
function, remove the dichroic mirror out of
the optical path by rotating the DICHROIC
MIRROR - IN/OUT lever on the top of the PFS
Motorized Nosepiece to the “OUT” position.
Offset dial
FINE/COARSE
selector switch
ON switch not
lit
ON switch lit
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