8
9
If you have any problems with your microscope please contact us at
instruments@gem-a.com or via telephone on +44 (0)20 7404 3334 before
returning the microscope, as we may be able to rectify or advise on the
problem.
Troubleshooting
Optical
Problem
Possible Cause
Solution
Dirt obscuring the
field of view
Dirt on the specimen
Clean the specimen
Dirt on the surface of the lenses
Clean the lenses
Dirt on the surface of the objective
lens
Clean the objective lens
Doubling of images
Wrong interpupillary distance
Readjust the eyepieces
Wrong dioptre adjustment
Readjust the dioptre
Different magnification
Mount the same size eyepieces
Blurry image
Dirt on the surface of the objective
lens
Clean objective lens
Incision image
The objective and light source are
not fully aligned
Adjust the objective to the correct
position
Electrical
Problem
Possible Cause
Solution
LED not working
No power
Connect to mains to recharge the
battery. If there is no power after
charging then replace the batteries
in the battery compartment inside
the base. Open the bottom plate by
unscrewing 4 locking screws at the
rubber feet.
The LED has reached the end of
its life
Replace it
The fuse has burned out
Replace it
Fuse burning out
very quickly
The voltage is too high
Use a transformer to lower the
voltage
Care and maintenance
Always cover the microscope with the plastic cover provided after use and
store it in a clean and dry place, free from moisture to prevent rust.
Lenses:
●
●
All lenses must be kept clean to avoid damage to the glass surfaces.
●
●
Fine dust on the surface of the lens should be blown off with hand
blower or wiped off gently with a soft lens tissue.
●
●
Fingerprints or oil marks should be wiped off with a lens wipe.
Surfaces:
●
●
Never use an organic solution to clean the surface of the microscope,
especially the plastic surfaces.
●
●
If it is absolutely necessary to clean them, please use a neutral
detergent.
Summary of Contents for ST-40 Series
Page 1: ...Gem A Portable Microscope ...
