Startup; Switching On The Microscope; Köhler Illumination - Leica DM1000 Bedienungsanleitung

7. Start-up
7. Start-up

7.1 Switching on the Microscope

• Switch on the microscope with the on/off
switch (24.1).
Caution!
After turning on the gas discharge lamp, the
burner must be immediately adjusted. There-
fore, do not turn on the power supply unit
yet. First, work in transmitted light in order to
familiarize yourself with the microscope's
controls.
Fig. 24
1 On/Off switch
2 Focus wheel
3 Stage positioning
28
7.2 Köhler Illumination
The condenser is also pre-adjusted in the
factory.
However, it may be necessary to re-adjust the
condenser in some cases. Therefore, check the
condenser centering.
The following procedure is provided for the
transmitted light brightfield illumination.
• If present click the condenser disk* into the
• If present pull the light ring slide* out of the
• Select
• Insert the specimen into the stage's specimen
• Focus on the specimen using the focus wheel
• Set the light intensity using the brightness
• Close the field diaphragm (25.3) until the edge
1 2 3
BF position.
condenser.
an objective
magnification (10x-20x).
For condensers with movable condenser
heads:
Swing in the condenser top.
(The condenser top is swung out for objective
magnifications < 10x.)
holder.
(24.2).
control (25.2).
of the diaphragm appears in the specimen
plane (26a).
with moderate