Leica Biosystems VT1000 S - Manual (Page 20)

18 Instructions for Use, V 2.0 RevD – 09/2013
5. Operation
Function:
Switch between
• Single stroke (1 sectioning stroke / 1 return stroke of the blade) and
continuous stroke
(continuous sectioning until the START/STOP button is pressed).
• To stop the blade at the rear end position in CONT mode press the START/
STOP button.
• The sectioning stroke in progress will be completed and the blade will
then stop at the selected end position of the sectioning range.
Toggle switch
• Function:
Motorized height adjustment of buffer tray. Maximum travel: 15 mm
(= total vertical specimen stroke).
The upper and lower end positions of the buffer tray are indicated each
by an audible warning 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 warning signal, press the following function key
combinations:
Volume adjustment:
• Select section thickness mode ("µm") by pressing the DISP button.
• Press the CLR and + buttons simultaneously. Display: "BE 15".
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
Fig. 19
Fig. 20