Chapter 5 Troubleshooting
113
EVIS LUCERA GIF/CF/PCF TYPE 260 Series OPERATION MANUAL
Image quality or brightness
Flexibility adjustment (for endoscopes with flexibility
adjustment only)
Irregularity
description
Possible cause Solution
There is no video
image.
Not all power switches are
ON.
Turn all power switches ON.
An image is not
clear.
The objective lens is dirty. Feed water to remove mucus, etc.
An image is
excessively dark or
bright.
The light source is not set
properly.
Adjust the light source’s setting as
described in its instruction manual.
An image is
abnormal.
An incompatible video
system center is being
used.
Use a compatible video system
center.
An incompatible light
source is being used.
Use a compatible light source.
An image is out of
focus (for
GIF-H260Z,
CF-H260AZL/I,
PCF-Q260AZI
only).
The zoom lever is moved
toward “ T”.
Move the zoom lever toward
“W ”.
Zooming is
impossible (for
CF-H260AZL/I
only).
The magnification controller
is turned OFF.
Turn the magnification controller
ON.
The control cable is not
connected properly.
Connect the control cable correctly.
Irregularity
description
Possible cause Solution
Too difficult to turn
the flexibility
adjustment ring.
The insertion section is
looped.
Straighten the insertion section.
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