Kowa K9L39F5BE, Service Manual

Page: 37 / 51

GG-09004 Edition 4.0
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7-28
Flare appears in the periphery.
7-29
Digital camera is not recognized with a PC.
7-30
The picture photographed is black.
Cause Remedy
Small pupil mode selected in
Photography.
Not faulty. Photography in small pupil mode will cause a
picture to have flare in its periphery at a picture angle of
45°.
Faulty fundus working dots positioning.
Not faulty. Before photographing, accurately perform
fundus dots positioning.
Patient's eye with contact lens on.
Not faulty. Guide a patient to take off his or her contact
lenses from the eyes beforehand for photographing over
again.
Patient eye whose internal shape
tends to produce flare.
A picture photographed may tend to have flare depending
on whose eye was examined.
If the fundus camera should be slightly moved backward
and forward from the position where the fundus working
dots are properly positioned, flare may disappear.
Internal diaphragm for photography
Dislocated.
Contact our company for repair.
Cause Remedy
USB cable improperly connected. Connect the USB cable again.
Faulty USB cable. Replace the USB cable.
The USB cable is connected to the
USB hub.
Connect the USB cable without using the USB hub.
The USB extension cable is used.
Note that the maximum length of the USB cable, or USB
cable plus USB extension cable, from the Nikon camera to
the PC must not exceed 5m in length.
In performance of a USB extension cable, there is the case
that recognition of a camera is not made with a PC.
Change a USB extension cable.
Cause Remedy
Flash lamp does not shine. Refer to troubleshooting 8-8
The setting of the digital camera is
wrong. Correct a setup of a digital camera.
（Refer to 7.Setting of digital color camera ）
The digital camera is turned off.
Connect the POWER cable to digital camera again.
Turn on the digital camera.