The nosepiece is not in the located
position
Turn the nosepiece in the required
position
The interpupillar distance is not
correct
Adjust the interpupillar distance
correctly
The diopter is not right
Adjust the diopter according your
sight
6
、
The eyes are
uncomfortable, the
left and right fields of
view is not coincided .
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
BM-800
PROBLEM
REASON FOR PROBLEM
SOLUTION
II
、
Mechanical Part:
1
、
The coarse focus
knob is hard to run
The tension adjustment collar is too
tight
Loose properly
2
、
The image can’t
stay on the focal
plane in the
process of the
observation
The tension adjustment collar is too
loose
Tighten properly
III
、
Electric Part:
No power supply
Check the power cord, and connect
them exactly
the installation of the bulb is wrong
Install the bulb correctly
1
、
The lamp can’t
light
The bulb burn out
Change a new bulb
The bulb burn out in a
high frequency
Not use the specified lamp
Use the required lamp
Not use a appointed lamp
use a appointed lamp
2
、
The height of the
brightness is not
enough
The brightness adjustment knob is
used wrong
Adjust the brightness adjustment
knob in a correct way
The bulb is going to spoil
Change the bulb
3
、
The light glimpse
The power cord have a poor
contact
Check the power cord, and connect
them exactly
