Nikon ECLIPSE TE2000-E Instructions Manual page 64

. Troubleshooting
Ｖ
Symptoms
No ND filter in optical path.
View field too
bright。
Lamp voltage too high.
Condenser aperture diaphragm stopped
down too far.
View field too Field diaphragm image not focused on the
dark. specimen surface.
Optical path switchover dial not set to
100% observation.
2. Operational
Symptoms
Image not in Stage mounted incorrectly.
focus although
the objective is
Objective refocusing ring clamped.
raised to the
highest position.
Cannot focus with Bottom plate thickness of the container is
20x and 40x outside the correction range of the
objective. objective.
Images on the
left and right
Interpupillary adjustment not performed.
eyepieces not
coincident.
Diopter adjustment not performed.
Eye fatigue
Inadequate brightness.
62
Causes
Put it in the optical path.
Lower the voltage with brightness adjustment dial.
Normally, set to 70 to 80% of the objective N.A.
Perform condenser focusing and centering correctly.
Switch to 100% observation.
Causes
Mount it correctly.
Release the clamp by turning the ring
counterclockwise to the limit.
Use container with bottom plate thickness within
correction range.
Make adjustment.
Make adjustment.
Adjust with brightness adjustment dial or ND filters.
Countermeasures
Countermeasures