Nikon ECLIPSE E400 Instructions Manual page 5

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CAUTION ¿
Я Do not wet
x Weak electromagnetic waves
This microscope emits weak electromagnetic waves.
The accuracy of any precision electronic equipment may be
adversely affected if positioned near this microscope.
If this microscope affects TV or radio reception, move the radio
or TV away from the microscope.
χει... on carrying the microscope
Securely hold onto the microscope with the base of the arm
from the back of the microscope.
Because this microscope is a precision optical device, handle
it carefully and do not subject it to strong physical shocks.
(The precision of the objective in particular may be adversely
affected by even weak physical shocks.)
In addition, do not grasp the focus knobs, the eyepiece tube,
the stage, etc., when carrying the microscope; there is a chance
that the part could come off, and the microscope could be
damaged.
When picking up the microscope or putting it down, be careful
not to bump the lamp cover on the back panel against other
things.