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EXC-500 MICROSCOPE SERIES
ACCU-SCOPE
®
73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com
18
TROUBLESHOOTING
(continued)
IMAGE PROBLEMS
Problem
Cause
Corrective Measures
Image moves while focusing
Specimen rises from stage
surface
Revolving nosepiece is not in
the click-stop position
Secure the specimen in the
slide holder
Revolve the nosepiece to the
click-stop position
Image tinged yellow
Lamp intensity is too low
Blue filter not used
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Use daylight blue filter
Image is too bright
Lamp intensity is too high
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Insufficient brightness
Lamp intensity is too low
Aperture diaphragm closed too
far
Condenser position too low
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Open to the proper setting
Position the condenser slightly
lower than the upper limit