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6
Operating the Instrument
• You can activate manual defrosting of the cryochamber by pressing the key
(continuous tone sounds), followed immediately by the key
temperature selection field (continuous tone stops). The display flashes during the defrosting (duration
12 min.).
• To shut off the manual defrost early, press the
(→ "Fig. 19-3") key in the cryochamber temperature selection field.
6.2.6 Setting the section thickness
2
Fig. 20
Adjust the section thickness in a range from 2 - 60 µm using the Plus
(→ "Fig. 20-2")
pushbuttons in the upper control panel (→ "Fig. 20"):
The preselected section thickness appears in the display above the keys.
• Start trimming at approx. 20 µm.
• Decrease the section thickness continuously until the required thickness is reached.
• After changing the section thickness, discard the first two or three sections.
• For sectioning, turn the handwheel at a constant speed.
6.3
Display lock
1
Fig. 21
34
1
2 µm
-
5 µm in 0.5 µm increments,
5 µm
-
20 µm in 1 µm increments,
20 µm
-
60 µm in 5 µm increments.
(→ "Fig. 19-2")
(→ "Fig. 19-1")
key, followed immediately by the
(→ "Fig. 20-1")
(→ "Fig. 19-1")
in the cryochamber
and
Minus
Version 2.0, Revision K
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