Swift SW380B, User Manual

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Poor image quality No cover slip on the
specimen Place glass cover slip over
the specimen
Slide is too thick or too thin Use a lab-quality slide
Slide is placed upside
down on the stage Flip the slide over so that
the cover slip is facing up
Oil on objective lens Wipe the lens off with soft
cloth and glass cleaner
Iris aperture is too narrow
or too wide Adjust the iris aperture
Image moves while
adjusting focus Slide is shifting on the
stage Reposition slide more
securely in the slide holder
Light is too dim Iris aperture is closed too
far Open the iris aperture
wider
Bulb setting is too low Increase intensity on the
control wheel
Condenser lens is dirty Wipe the condenser lens
off with a soft cloth
Voltage is too low Use the supplied power
adapter
Objective lens collides with
the slide when switching
from a lower to a higher
power objective Slide is upside down or too
thick Use a lab-quality slide or
flip the slide over so the
cover slip is facing up
Stage is set too close to
the objectives Lower the stage with the
coarse focus knob
Safety rack stop needs
adjustment Adjust the safety rack stop
to stop the stage farther
from the objectives
Image won't come into
focus when using a
higher-powered objective Slide is upside down Flip the slide over so the
cover slip is facing up
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