Nikon Eclipse E400 POL Руководство по эксплуатации - Страница 36
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Troubleshooting Tables
Improper use of the microscope may adversely affect the performance even if it is not damaged. If
any of the problems listed in the table below occur, follow the countermeasures.
Viewing and control systems
Problem
Cause
Countermeasure
be seen.
Vignetting or uneven
brightness in the view field;
the entire view field cannot
The optical path selection lever on the
trinocular eyepiece tube is in an
intermediate position
The optical path selection lever on the
trinocular eyepiece tube is not set to 100%
of the binocular eyepiece.
Set the optical path selection lever to
100% of the binocular eyepiece.
(p.16)
The revolving nosepiece has not been
rotated until it has clicked into place.
(The objective is not in the optical path.)
Turn the revolving nosepiece until it
clicks into place. (Place
the objective in
the optical path.)
(p.12)
'The condenser is too low
Position the condenser so that the imag
of the field diaphragm forms properly on
the specimen.
(p.18)
The condenser is not centered.
Center the condenser.
(p.18)
'The condenser is not installed properly. | Install the condenser correctly. — (p.31)
'The filter is not in the right place.
Р;
the filter correctly on the field lens.
(p.20)
The field diaphragm is stopped down
too far.
Open the diaphragm to a suitable size.
(p.20)
Тһе lamp is not installed properly.
Install the lamp correctly
(p.30)
'The Bertrand lens is in the optical path.
Move out of the optical path.
The top lens of the swing-out condenser
is not positioned properly.
Correctly push in all the way.
The P-CL. P-CS or P-CQ plate is not
inserted correctly.
Position correctly
field.
Dirt or dust in the view
The condenser is too low.
Position the condenser so that the image
of the field diaphragm forms properly
on the specimen.
(p.18)
The aperture diaphragm is stopped down
too far.
Open the diaphragm to a suitable size.
(p.19)
There is dirt or dust on the lens,
condenser, eyepiece, filter or specimen.
Clean the components.
(p.38)