YOKOGAWA AQ7280 Getting Started Manual page 17

IM AQ7280-02DE
OTDR unit (AQ7282M)
Laser Class 1M Label
Using an optical instrument, such as a
loupe, magnifying glass, or microscope,
when observing the laser beam from a
distance of less than 100 mm may cause
eye injury.
Laser Class 3R Label
Avoid direct eye exposure.
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