Leica CM1950 Manuel D’Utilisation
23
Leica CM1950 Cryostat
6.3.1 Locking/Unlocking the Handwheel
Only rotate the handwheel when the refrigeration system is on and
the cryochamber is cold!
the cryochamber is cold!
Always lock the handwheel prior to manipulating the knife or
specimen, changing the specimen, or taking a break.
specimen, changing the specimen, or taking a break.
To lock the handwheel, move its handle to the 12 or 6 o’clock position. Press
the lever (1) fully outward; gently rock the handwheel until the locking mech-
anism clicks into place noticeably.
the lever (1) fully outward; gently rock the handwheel until the locking mech-
anism clicks into place noticeably.
To release the handwheel, press the lever (2) on the handwheel toward the
cryostat housing.
cryostat housing.
12 o’clock
position
position
6 o’clock
position
position
1
2
Fig. 16
Fig. 15
6.
Installation
6.3.2 Installing the Footswitch Dummy (Instruments with Cutting Motor)
•
The footswitch dummy must be installed on the outer right side of the
instrument (see page 16, General overview) if no footswitch (optional) is
used.
instrument (see page 16, General overview) if no footswitch (optional) is
used.
If the red LED in the E-STOP field in control panel field 3 is illuminated, either:
•
emergency-stop function active, or
•
footswitch dummy (optional footswitch) connected incorrectly or not at all.
Fig. 18
Fig. 17
An important safety device on the cryostat is the feature for center-
ing the handwheel in motorized sectioning mode.
ing the handwheel in motorized sectioning mode.
To do so, pull out the handwheel’s handle and position it in the middle of the
handwheel. The handle automatically engages in this position.
handwheel. The handle automatically engages in this position.
Centering the Handwheel (Optional)