Leica Biosystems VT1000 S - Manual (Page 19)

17 Leica VT1000 S - Vibrating-blade microtome
5. Operation
Function:
Immediate interruption of knife movement.
• Press PAUSE once again to continue sectioning.
Toggle switch
Function:
To move the knife towards the specimen.
Can also be used for manual sectioning.
Because of safety aspects the FORW movement is carried out only while
the toggle switch is pressed and held;
the REV movement is carried out completely once the switch has been
locked into place.
To stop the REV movement before reaching the rear end position, switch the
toggle switch manually back into its center position.
The REV/FORW switch can also be used to stop a sectioning stroke which
has been activated by pressing the START/STOP button.
LED indication with -/+ adjusting button, DISP and CLR function keys
Function of LED indication:
Indicates the selected sectioning thickness or totalized section thickness.
Function of the -/+ button:
Selection of section thickness in 1-µm steps from 0 to 999 µm.
The specimen feed (in the preselected section thickness) takes place at the
beginning of each sectioning stroke.
Function of the DISP button:
To select between two modes of operation:
" ∑ µm"= section thickness totalizing
"µm" = section thickness
Function of the CLR button in section thickness totalizing mode:
Sets the value indicated in the section thickness totalizing mode ( ∑ µm) to
zero.
Fig. 17
Fig. 18