47
BEFORE REQUESTING SERVICE
Split lines cannot be seen. • SPLIT switch is set to OFF. Turn SPLIT line ON with Split switch. 15
• Diopter compensation lens selector is
not set to "0".
Return Diopter compensation lens selec-
tor to "0".
12
• Patient's pupil is not large enough. Darken room and thoroughly dilate
patient's pupil.
30
• The internal fixation target is not set to
"OFF".
Set the internal fixation target to "OFF". 45
Xenon lamp does not turn
on.
• Power save function is on.
("SLEEP" is indicated on the control
panel.)
Press photography switch and cancel
power save function.
22
• Xenon lamp has served its life. Change xenon lamp. 55
• Fuse is burnt. Change fuse. 57
• Xenon lamp set screw is loose. Refasten lamp terminal. 54
• The NF switch on the base unit is
pressed.
Press Flash selector switch to set the
flash level.
33
Cannot get patient's pupil
at center.
• Patient's face position is incorrect. (The
chin and forehead are not correctly on
the rests, or the patient faces side-
ways.)
Have patient keep his/her position cor-
rectly.
30
• Patient's face height is incorrect. Adjust face height with Chinrest adjust-
ing knob.
30
Nothing is recorded in
external recording device.
• Anomaly in external recording device. Check power supply, settings, etc. ---
• Cable connections are incorrect. Check and correct cable connections. 21
The 35mm UPPER cam-
era does not work.
• Power save function is on ("SLEEP" is
indicated on the control panel.)
Press the photography switch to cancel
power save function.
22
• The battery for camera is dead. Replace the battery. ---
• Fuse is burnt. Change fuse. 57
• UPPER/LOWER selector switch on the
base unit is not set to "UPPER".
Press UPPER/LOWER selector switch to
set it to "UPPER".
15
• The 1× relay lens is not attached firmly. Attach the 1× relay lens firmly. 68
• The camera is not fixed properly to the
1× relay lens.
Fix the camera on the 1× relay lens prop-
erly.
68
Black dots are seen in the
photographed image.
• The shading compensation cover is
stained.
Perform cleaning with a blower, etc. ---
Flare cannot be eliminated
at angle of coverage 50°.
• Angle changing lever is not set at the
"click" position.
Turn Angle changing lever to the "click"
position.
12
• The microcoria mode is set because
SMALL PUPIL switch is pressed.
Press SMALL PUPIL switch to cancel
the microcoria mode.
16
• The patient's eye and instrument are
not positioned correctly.
Set the patient's eye and instrument cor-
rectly.
29
• The patient's eye is not fully dilated. Dilate the patient's eye fully. 30
Correct focus is not possi-
ble.
• The optical finder dioptric power is not
adjusted.
Adjust the optical finder dioptric power. 28
• Diopter compensation lens selector is
not adjusted properly for the dioptric
power of the patient's eye.
Adjust Diopter compensation lens selec-
tor to the dioptric power of the patient's
eye properly.
12
• The patient's eye is clouded due to cat-
aract.
---
• The patient's eye is filled with tears. ---
• The patient's eye and instrument are
not positioned correctly.
Set the patient's eye and instrument cor-
rectly.
29
Problem Condition Check Page
To Next Page
Loading...