Leica Biosystems CM3050 S - Manual (Page 35)

35 Leica CM3050S – Cryostat
Start / stop motorized sectioning
Sectioning mode 1 - Intermittent stroke:
• Simultaneously press and hold RUN/STOP
and RUN/ENABLE or depress and hold foot-
switch.
• To stop the sectioning stroke, release the
keys or the footswitch:
The specimen head stops immediately.
Sectioning mode 2 - Continuous stroke:
• Simultaneously press and release RUN/
STOP and RUN/ENABLE or depress and re-
lease footswitch.
• To stop sectioning:
Press and release RUN/STOP or RUN/EN-
ABLE or depress and release the footswitch:
The specimen head stops upon reaching the
lower limit position.
Sectioning mode 3 - Single stroke:
• Simultaneously press and release RUN/
STOP and RUN/ENABLE or depress and re-
lease footswitch.
• The instrument carries out one complete
section / retraction stroke and the specimen
head stops upon reaching the lower limit po-
sition.
While sectioning is in motion, LED ‘RUN’ is illu-
minated.
While the sectioning motor is deactivated, LED
‘STOP’ is illuminated.
Both LEDs are located in functional area C.
5. Operation
5.4.1 Selecting a sectioning mode /
start and stop sectioning
Three different sectioning modes can be select-
ed for motorized sectioning:
Sectioning mode 1 - Intermittent stroke:
The specimen head travels up and
down as long as the RUN/STOP and
RUN/ENABLE keys are pressed simulta-
neously or as long as the footswitch is
depressed.
Sectioning mode 2 - Continuous stroke:
The specimen head travels up and
down until it is stopped by pressing
RUN/STOP or RUN/ENABLE or by de-
pressing the footswitch.
Sectioning mode 3 - Single stroke:
The specimen head carries out one sec-
tioning stroke and then stops in the low-
er limit position.
Activating a sectioning mode
Press one of the three sectioning mode keys
described above. While a sectioning mode is
active, the LED in the corresponding key will be
illuminated.
Functional areas A and C - Instruments with sectioning motor only