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Instruction manual V 6.0 - 08/2006
Prior to each sectioning stroke, a stepper motor feeds the microtome
knife downwards towards the specimen by a selected amount of microns
(section thickness).
During each return stroke of the specimen sledge, the stepper motor
automatically carries out a knife retraction movement, programmable
between 50 and 250 μm. This protects both the knife edge and the speci-
men surface from being damaged.
Before starting the next sectioning stroke, the motor lowers the knife
towards the specimen surface by the selected sectioning feed plus the
set value for knife retraction.
Trimming is programmable; the desired section thickness can be
preselected.
The number of sections to be preformed during trimming can be pro-
grammed via the section counter. When the programmed number of
sections has been carried out, the microtome will stop automatically.
Once the desired specimen block height has been reached, those sec-
tions that will actually be used for further examination are collected
manually via the knee lever.
The Leica CM3600 is operated via PC and/or manually via the knee lever.
All data entries are made via the PC.
The Leica CM3600 features two automatic defrost cycles.
Defrost cycle duration is software-controlled. If the evaporator surface is
already completely deiced before the programmed defrost time is up, the
defrost cycle will be aborted. In addition, manual defrost cycles can be
set as needed.
2. Characteristics of the Leica CM3600