Leica CM1950 Manuel D’Utilisation

Page de 74
32
Operating Manual V 1.1 – 05/2007
For trimming values above a sec-
tion thickness of 200 μm, the dis-
play flashes to expressly notify
the user of thick sections!
Control Panel Field 2 – Electric Coarse Feed, Sectioning and Trimming Thickness Display
1
Specimen head forwards – pressing briefly
advances the specimen 20 μm
Specimen head fast
feed
Fig. 33
Move specimen head backwards slowly – pressing
briefly retracts the specimen 20 μm
Move specimen head backwards
quickly to home position (latched)
2
LED for trim
and section
thickness
display
Illuminates in
yellow when the
specimen is in
retraction.
Toggle TRIM and
SECT (LED
active).
Rocking mode – only in manual mode;
in rear area, i.e. approx. 12 - 3 o’clock position of
the handwheel (rock handwheel back and forth
a short distance)
Setting section/trim thickness
Use the 
 - 
 keys on control panel 2.
Range of section thickness: 1 - 100 μm
Values:  1.0 μm -
5.0 μm
in 0.5 μm steps
               5.0 μm - 20.0 μm
in 1.0 μm steps
             20.0 μm - 60.0 μm
in 5.0 μm steps
             60.0 μm -100.0 μm
in 10.0 μm steps
7.
Instrument Controls
Retraction:
off = 0
on = 20 μm
In manual mode.
Range of trim thickness: 1 - 600 μm
(Recommended for research applications)
Values:  1.0 μm - 10.0 μm
in 1.0 μm steps
10.0 μm  - 20.0 μm
in 2.0 μm steps
20.0 μm  - 50.0 μm
in 5.0 μm steps
             50.0 μm - 100.0 μm
in 10.0 μm steps
           100.0 μm - 600.0 μm
in 50.0 μm steps
Trimming section thickness setting range:
(Recommended for clinical applications)
Values:  10 μm, 20 μm, 30 μm, 40 μm,
In the "off" setting, there is
no retraction in manual,
automatic or rocking mode.
Press approx. 3 sec.; "on" or
"off" appears (for the
retraction). Toggle using the
"+" or "-" key
For motorized sectioning, the re-
traction value is fixed and cannot
be changed (see page 39 - lower
infobox).