IRB20 Inverted Microscope Operation Instructions
4
Fein
Do not shake or drop the microscope.
Do not expose the microscope to direct sun, high temperatures, high humidity, dust,
or damp environments. Use a flat work surface.
When moving the microscope use
both hands, holding the handle at the
back (1) and the frame at the front (2)
as shown in the image at right.
Set the power switch to off “O” before
replacing a bulb or fuse, and wait until the
lamp is cool. The power switch is located
on the side of the microscope. Microscope
uses 5W LED bulb. (Part # M40-001).
Voltage range of 100~240V (47-63Hz) is supported.
Turn the rheostat control knob (1) to the
minimum and turn the power switch (2) to
the on “I” position. Rotate the rheostat knob
to increase or decrease the brightness of the
illumination.
Adjust the aperture diaphragm lever (1) to
obtain the best image contrast.
