Olympus BHTU - Page 2

This instruction manual has been written for the use of the Olympus Biological Microscope
Model
BHTU. It is recommended that you read the manual carefully in order to familiarize
yourself
fully with the use of the microscope, so that you will obtain optimum performance.
IMPORTANT
Observe the following points:
• Operation
1. Always handle the microscope with the care it deserves, and avoid abrupt motions.
2. Avoid the use and maintenance of the microscope in direct sunlight, high temperature and
humidity, dust and vibration.
3. Only use the tension adjustment ring for altering the tension of the coarse adjustment
knobs. (Do
not twist the two coarse adjustment knobs in opposite directions simultaneous-
Iy, as this will cause damage.)
4. Make sure that the voltage selector switch on the bottom base of the microscope stand
is set to conform with the local mains voltage.
5. Ground the microscope in case there is no ground terminal in your mains line .
• Maintenance
,. Lenses must always be kept clean. Carefully wipe off oil or fingerprints deposited on the
lens surfaces
with gauze moistened with a small amount of xylene, alcohol or ether.
2. Do not use organic solutions to wipe the surfaces of various components. Plastic parts,
especially, should
be cleaned with neutral detergent.
3. Never disassemble the microscope for repair. Only authorized Olympus service personnel
should make repairs.
4. The microscope should be covered with the vinyl dust cover provided and stored in a place
free from humidity and fungi.