17
Leica VT1000 S – Microtome
5.
Operation
Function:
Switch between single stroke
(1 sectioning stroke / 1 return stroke of the knife) and
continuous stroke (continuous sectioning until the
START/STOP
-but-
ton is pressed).
-
To stop the knife at the rear end position in
CONT
mode press the
START/STOP
button. The sectioning stroke in progress will be com-
pleted and the knife will then stop at the selected end position of the
sectioning range.
Toggle switch
•
Function:
Motorized height adjustment of buffer tray within a total vertical range
of 15 mm (= total vertical specimen stroke).
The upper and lower end positions of the buffer tray are indicated
each by an audible sound signal and a red LED.
While the knife is in motion the UP/DOWN toggle switch is
inoperational.
For the
DOWN
motion the toggle switch can be locked in the DOWN
position; for the
UP
motion, the switch must be pressed and held in
the UP position.
When the lowest possible position is reached with the toggle switch
being locked in DOWN there will be both an audible and a visible
signal. Once the switch is unlocked, the buffer tray is automatically
raised until both signals switch off.
•
To select the retraction thickness, to deactivate retraction or to set
the volume of the VT1000 S sound signal, press the following function
key combinations:
Volume adjustment:
•
Select section thickness mode (‘μm’) pressing the
DISP
button.
•
Press the
CLR
and
+
buttons simultaneously. The indication 'BE 15'
will be displayed. The volume can now be adjusted via the
-/+
button.
'0’ is equivalent to no sound signal.
•
To quit the programming mode, press
CLR
.
Button with LED