Hioki 3662-20, Instruction Manual, Page: 25 / 40

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4.2 Attaching/Detaching Connector Adapter
4.2 Attaching/Detaching Connector
Adapter
• The mating portions of the laser output connec-
tor ferrule and of the connector adapter are
high-precision machined parts. Make sure that
these portions are free of dust or other foreign
matter when connecting them. In particular, the
optical output connector ferrule requires meticu-
lous care. If there is dust in the interface or a
scratch on the optical output connector ferrule,
the 3662-20/3663-20 may not satisfy perfor-
mance specifications.
• Make sure that power of the 3662-20/3663-20 is
off when replacing the connector adapter. While
power is on, do not look into the optical output
connector. The laser beam may damage the
eye. The laser beam is not visible.