Nikon DS-U3 User Manual

Chapter 8 Troubleshooting
3 Image Output to a PC Monitor
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Trouble Checkpoints
The image is out of
focus.
• Check that the edge enhancement is set properly using the application
software.
⇒ Refer to the instruction manual for the application software.
• Check that the electronic zoom is not turned on by the application
software.
⇒ Refer to the instruction manual for the application software.
• Check that the microscope and the lens are in focus.
• Check that the product is used in a place with little vibration.
• Check that the aperture diaphragm is adjusted correctly. (The aperture
diaphragm must be adjusted to 70% to 80% of the numerical aperture of
the objective, or 70% to 80% of the pupil of the objective.)
⇒ Refer to “Microscope Setting” in Chapter 5.
• Check that the enlargement factor is adjusted correctly. (The
enlargement factor must be adjusted to 500 to 1000 times of the
numerical aperture of the objective.)
The image is too dark
or too bright.
• Check that exposure or tone is adjusted correctly using the application
software.
⇒ Refer to the instruction manual for the application software.
• Check that the intensity of illumination of the microscope is appropriate.
The color is poor.
• Check that the white balance is set with the application software.
⇒ Refer to the instruction manual for the application software.
• Check that the color compensation is not set too high with the
application software.
⇒ Refer to the instruction manual for the application software.
• Check that the hue adjustment is not performed with the application
software.
⇒ Refer to the instruction manual for the application software.
• Check that the camera sensitivity is not set too high on the application
software. If the camera sensitivity is too high, salt-and-pepper type,
streaky type, or flecks-of-color type noise may appear on the image.
⇒ Refer to the instruction manual for the application software.
• Check that the color of the PC monitor is adjusted appropriately.
• Check that the color temperature of illumination is appropriate level.
• Image quality may be different between a live image and a saved image.

Nikon DS-U3 Specifications

General

Brand	Nikon
Model	DS-U3
Category	Camera Accessories
Language	English