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Standard 25
ICS
4-8
B 40-029 e 01/98
Problem
Cause
Remedy
Left and right fields of view
cannot be combined into an
image
Interpupillary distance of the
binocular tube is not set correctly.
Set interpupillary distance
correctly, see pages 2-5, 3-4
Focusing eyepieces are not set
correctly.
Set focusing eyepieces to the
appropriate ametropia, s. page 2-5
Eye-fatiguing microscopy
Interpupillary distance of the
binocular tube is not set correctly.
Set correct interpupillary distance,
see pages 2-5 and 3-4.
Focusing eyepieces are not set
correctly.
Set focusing eyepieces to the
appropriate ametropia, s. page 2-5
Image brightness not acceptable
Reduce lamp voltage or insert
conversion filter
Dirt or dust in the field of view
Condenser not focused correctly
and condenser lens 0.9 not
switched correctly.
Focus condenser and set
condenser lens 0.9 correctly or
switch it off, see pages 3-4, 3-5.
Aperture diaphragm opening too
small
Set aperture diaphragm opening
in accordance with the 2/3 rule or
depending on the specimen
features, see page 3-5.
Dirt or dust on the optical surfaces
of objectives, eyepieces,
condensers, filters or specimens
Clean the optical surfaces of the
appropriate components, see page
4-3
The 6 V 20 W halogen lamp
does not function although the
on/off switch is in "on"
position
Line cable not connected to the
line.
Connect line cable to the line and
make sure to check the instrument
and line voltage, see page 2-6.
6 V 20 W halogen lamp not
installed
Install 6 V 20 W halogen lamp, see
page 4-5
6 V 20 W halogen lamp defective
Exchange 6 V 20 W halogen lamp,
see page 4-5
The specified 6 V 20 W halogen
lamp is not used.
Use the specified 6 V 20 W
halogen lamp, see page 4-10.
Defective fuses
Exchange fuses, see page 4-4.
Electronics module possibly
defective
Have electronics module checked
by service and replaced, if required
(see page 4-11)
Содержание Standard 25 ICS
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