29
Leica VT1200 / Leica VT1200 S
Working with the Instrument
5
Key/setting dial
Semiautomatic sectioning mode
Automatic sectioning mode
1
Display for the current specimen
holder position (lowest position =
0 μm, uppermost position =
20,000 μm.)
You can reset the display to
0
at any
point by pressing the
CLEAR/Σμm
key. The section thicknesses are then
added in the Σμm display.
ditto
2
The rotary knob for moving the
specimen receptacle vertically
can be used for fine-adjusting
the blade-to-specimen proximity.
Turning the setting dial clockwise
moves the specimen up into the
desired proximity; turning the setting
dial counterclockwise lowers the
specimen (minus sign).
ditto
The step size: 1, 10 or 100 μm can be
selected by pressing the
STEP SIZE
key.
After the setting dial is turned
clockwise or counterclockwise, the
specimen receptacle position is
updated in the Σμm display.
In semiautomatic mode, the desired
section thickness is selected using
the setting dial.
Not possible.
The selected section thickness
appears in the μm display and the
current specimen receptacle position
appears in the Σμm display.
After each sectioning process has
been completed, the μm display is
set to
0
.
When the
DOWN
key is pressed, the
specimen receptacle automatically
moves quickly into the lowest
position. (The LED in the
DOWN
key
lights up when the lower end position
is reached.) The Σμm display is set
to
0
.
ditto