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1. Location, connection types
Before you begin with the assembly of your microscope, you must select a suitable
location.
First you should ensure that your microscope is set up on a stable, vibration-free sur-
face.
Power connection (220-230 V) is required for observations using the electrical free
surface.
Power connection (220-230 V) is required for observations using the electrical LED
lighting and the electronic LCD eyepiece (screen module).
Furthermore the microscope possesses an interface to a PC (USB connection).
2. Start-up, electrical LED lighting
Before start-up, please check that the lighting selector switch (Fig. 1.19) is in the “OFF
position “.
The microscope is equipped with two LED lighting units. The lighting can take place in
three ways. At the selector switch (Fig. 1.19) select position “I”, in order to illuminate
the object from underneath (with transmitted light), or “II “,to illuminate it from above
(with top illumination). With position “III” the object can be illuminated from above
and below at the same time. The transmitted light unit (Fig. 1.9) is used for transparent
preparations (preparations on glass slides). In order to see solid, non-transparent objects,
select the top illumination unit (Fig. 1.13). The top illumination unit is only useful when
using the 4x- objectivee. The use of both lighting at the same time is only useful with
semi- transparent objects. This mode of operation is not recommended for transmitted
light objects on slides, as this can lead to reflections on the slides.
To start-up, the power supply plug, which is provided, (Fig. 5.38) is connected to the
power connection (Fig. 1.17) at the rear of the microscope foot (Fig. 1.10) and to a
convenient outlet (220-230 V). Finally, switch on the desired lighting using the lighting
selector switch and set the required brightness with the dimmer (Fig. 1.18).
Since your equipment is fitted with infinitely variable lighting (dimmer), the optimum
illumination of the object to be observed is ensured.
3. Observation
3.1 Microscope observation in general
Once you have assembled the microscope and appropriately adjusted the illumination,
the following principles apply:
a) Begin each observation with the lowest magnification, thus centering and positioning
of the object to be observed will be easier.
Move the microscope table(Fig. 1.7),using the focusing wheel (Fig. 1.16) completely
down and then turn the lens turret (Fig. 1.4) until it engages on the lowest magnification
(the 4x-objective is vertical).
b) Begin with a simple observation. Place a prepared slide (Fig. 1+3.6) directly under
the objective on the microscope table (Fig. 1+3.7), by clamping it into the stage (Fig.
1+3.14). For this, move the lever for the clamping mounting plate (Fig. 3.28) to the side,
put the prepared slide onto the stage and carefully allow the clamping mounting plate
(Fig. 3.29) to return onto the prepared slide. The object which is to be observed must be
exactly above or below the illumination. In order to achieve this, there are two milled
thumb screws on the stage. This is the so-called stage drive (Fig. 3.26+27). By turning
