Leica RM2245 Instruction Manual page 25

Sectioning mode
Button functions in STEP
mode
Multiple Single
step step
backward backward
Multiple Single
step step
forward forward
Trimming mode
Backwards coarse
feed
40
Leica RM2245
In sectioning mode the user can select between STEP function (step-
by-step specimen feed) and continuous specimen feed.
When continuous feed is selected, the coarse feed buttons have the same func-
tions as in trimming mode. The STEP function is useful for careful step-by-step
approximation of the specimen towards the blade.
How to activate the STEP function:
• Switch the instrument on while holding the
(Likewise, to deactivate switch the instrument on while pressing the
ton.) While the instrument is initializing, hold the
version number is no longer displayed (ensure that version number 2.1 was
displayed).
This feature is only available in sectioning mode in version 2.1 or high-
er. If you have an earlier software version, please contact Leica
Service.
• Press TRIM/SECT
• When pressing a slow-speed coarse feed button (with an arrow) in STEP
mode, the specimen moves towards or away from the specimen by the value
indicated on the display (single step).
• By short activation of a double-arrow coarse feed button, a single step is also
effected in the appropriate direction.
• Longer activation of the double-arrow coarse feed button effects a repeated
feed motion for as long as the button is pressed.
In the trimming mode, the coarse feed buttons operate a continuous
movement as long as the button is held down. The double-arrow button
for rapid coarse feed backward movements has a lock-in function.
Do not put your fingers between the specimen clamp and microtome to
prevent pinching them.
• To start the rapid backwards movement (away from the blade) press the
button .
After the button is pressed, the specimen head is moved to the rear
end position.
• To stop the movement, press any of the four coarse feed buttons.
• The yellow LED (40) in the button flashes while the specimen head is in mo-
tion, and remains lit continuously when the rear end position is reached.
button and select sectioning mode (LED SECT lit).
5. Operation
button on the control panel.
button until the software
but-
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