19
5
、
The image focus
surface incline (one
side is clear and the
other side is faint)
The illumination light incline serious
Adjust the filament position, let the
light distributing of the field of view
become symmetrical and bright
The specimen don’t correctly place
Put the specimen on the right position
The nosepiece is not in the located
position
Turn the nosepiece in the required
position
6
、
The eyes are
uncomfortable, the
left and right fields
of view is not
coincided .
The interpupillary distance is not
correct
Adjust the interpupillary distance
correctly
The diopter is not right
Adjust the diopter according your
sight
Can’t adapt to binocular observation
When look into the objective, do not
stare at the specimen but at the whole
field of view, or move the eyes away
to see other things, then back into the
objective
7
﹑
The pointer is
unclear or invisible in
the field of view
The lightness of pointer is not enough
or the pointer is not in the middle of
the field of view
Turn the pointer knob to adjust the
lightness or turn the rocker in four
direction(up, down, left, right)softly
which make the pointer in the middle
of the field of view
