Instructions
13
Problem Cause Remedy
f ) Visibility of the image is
poor:
Image is not sharp.
Contrast is poor.
Details are poorly visible.
Poor contrast during
observation.
Replace the plastic culture
vessel with a glass vessel.
Objective is engaged
incorrectly in the light path.
Make sure that revolving
nosepiece clicks into place
correctly.
g) The image is blurred.
Specimen is tilted with respect
to the stage.
Place the specimen correctly
on the stage and secure it with
the specimen holder.
The interpupillary distance is
incorrect.
Adjust the interpupillary
distance.
h) Field of one eye does not
match that of the other.
Incorrect diopter adjustment. Adjust the diopter.
The transport lock is not
released
Remove the transport lock.
The rotation tension adjusting
ring is too tight.
Loosen it moderately.
i)The coarse/fine adjustment
knobs will not rotate easily or
at all.
The pre-focusing lever is
locked.
Unlock it.
j) The revolving nosepiece
lowers by its own weight or
defocusing occurs due to
slipping of fine adjustment.
The tension adjustment ring is
too loose.
Tighten the ring optimally.
The coarse focus adjustment
cannot move the objective
above a certain level.
The pre-focusing lever limits
the lower limit.
Unlock the pre-focusing lever.
Notice:
1 Attaching the Halogen Bulb
(1) Do not touch the halogen bulb directly. If it is stained with fingerprints,etc.,wipe off
completely with a soft cloth in order to prevent shortening of the bulb life of cracking of the
bulb.
Hold the halogen bulb with gloves or a piece of gauze, insert the bulb pins straight and fully into
the pin holes on the lamp socket.
Push in gently. If an excessive force is applied or
the bulb is twisted, the bulb may be damaged.
(2) Caution for bulb replacement during or right
after use.
The bulb, lamp socket and areas near these will
be extremely hot during and right after use.
Set the main switch to "O"(OFF), disconnect the