Leica Leica VT1200S manual 1 VT1200S Control Panel

3.Instrument Characteristics

3.3.1 VT1200S Control Panel

Sets the blade feed rate.				Sets the amplitude.
				Select the values
Select the values using
				using setting dial 1.
setting dial 1.
Setting dial 1, for blade
feed rate (SPEED),
AMPLitude or section
thickness for automatic
mode (AUTOFEED)
Setting dial 2, for
section thickness and
moving the specimens
vertically
Selects the step size
in 1μm,10μm or 100μm
increments
1st cutting window edge,
LED illuminates when the
window edge is set.
Moves the specimen
upwards (as long as the
button is pressed). When
the uppermost position is
reached, the LED lights up.
2nd cutting window edge,	Moves the speci-					Moves the		Moves the
LED illuminates when the	men into the lowest						blade	blade away
window edge is set.		position, (LED is			towards the			from the
Fig. 11	illuminated when					specimen		specimen
	the lowest position				Caution: Press the button
			is reached)		until the desired position is
					reached. When the end

Toggles between automatic (AUTO) and	position is reached, the LED
semiautomatic (MAN) sectioning mode
	lights up.

Possible in automatic sectioning mode only. Select the desired section thickness for the automatic feed using setting dial 1.

ON/OFF lamp

Toggles in and out of the menu. Memory for 8 para- meter sets.

Sets the section thickness addition display ∑μm to "0".

Interrupts the sectioning process in automatic mode. Pressing the button again reactivates the sectioning process.

Starts or stops the sectioning process. In semiautomatic mode, the sectioning process stops immediately; in automatic mode, the sectioning process is finished completely.

Toggling between single stroke (SINGLE) and continu- ous stroke (CONT) in automatic mode is possible; in semiauto- matic mode, only single stroke (SINGLE) is possible.

The Leica VT1200S is a fully automatic microtome with a vibrating blade. It can be operated in automatic as well as semiautomatic sectioning mode.

In semiautomatic sectioning mode, a manual feed to the desired section thickness must be carried out be- fore each cut. There is no automatic specimen retraction in this mode; however, retraction can be per- formed manually.

In automatic mode, an automatic feed (AUTO FEED) to the selected section thickness is carried out before each cut, and the specimen is lowered to the desired retraction value after each cut to prevent the speci- men surface and the blade from coming into contact while the blade is being retracted.

Leica VT1200 and VT1200S – Microtome 13