4
150 Series
Before Use
Safety Precautions
1. As the microscope is a precision instrument, always handle it with care, avoiding impact
or abrupt movement during transporation. Do not shake the package.
2. Do not place the microscope in direct sunlight or in high heat. Keap it indoors in a dry
and clean place with temperateures between 32-100 degrees F (0-40 degrees C), and in
maximum relative humidity of 85%.
3. Avoid touching the lenses on the objectives and the eyepieces so that oil and dirt from
your ngerprints do not obstruct your view.
4. Before turning the power on, make sure that the power supply voltage is consident with
the voltage of your microscope.