5.

Working with the Instrument

 

 

 

Key/setting dial

semiautomatic sectioning mode

automatic sectioning mode

 

 

 

 

The rotary knob for moving the

ditto

 

 

specimen receptacle vertically can

 

2

be used for fine-adjusting the

 

blade-to-specimen proximity. Turn-

 

 

 

 

ing the setting dial clockwise

 

 

 

 

moves the specimen up into the

 

 

desired proximity; turning the set-

 

 

ting dial counterclockwise lowers

 

 

the specimen (minus sign).

 

 

The step sizes 1, 10 or 100μm can

 

 

be selected by pressing the STEP

 

 

SIZE key.

 

 

After the setting dial is turned

 

 

clockwise or counter clockwise,

 

 

the specimen receptacle position is

 

 

updated in the μm display.

 

 

In semiautomatic mode, the de-

Not possible.

 

sired section thickness is selected

 

 

using the setting dial.

 

 

The selected section thickness

 

 

appears in the μm display and the

 

 

current specimen receptacle posi-

 

 

tion appears in the μm display.

 

 

After each sectioning process has

 

 

been completed, the μm display is

 

 

set to "0".

 

 

 

 

 

When the DOWN key is pressed,

ditto

 

the specimen receptacle automat-

 

 

ically moves quickly into the low-

 

 

est position. (The LED in the DOWN

 

 

key lights up when the lower end

 

 

position is reached.) The μm dis-

 

 

play is set to "0".

 

Leica VT1200 and VT1200S – Microtome

25

Page 25
Image 25
Leica Leica VT1200S manual Working with the Instrument