Hioki 3662-20, Instruction Manual, Page: 9 / 40

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• Do not store or use the product where it could
be exposed to direct sunlight, high temperature
or humidity, or condensation. Under such condi-
tions, the product may be damaged and insula-
tion may deteriorate so that it no longer meets
specifications.
• To avoid damage to the product, do not allow
the product to get wet, and do not use it when
your hands are wet.
• Do not use the product where it may be exposed
to corrosive or combustible gases. The product
may be damaged.
• To avoid damage to the product, protect it from
vibration or shock during transport and handling,
and be especially careful to avoid dropping.
• 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.
Direct
sunlight
High temperature
High humidity
Dust
• After use, always turn OFF the power.
• Be sure to replace the cap to protect the device
from dust when the 3662-20/3663-20 is not in
use.
• The Battery replacement indicator appears when
battery voltage becomes low. Replace the batter-
ies as soon as possible.
• Use the specified battery (LR6 alkaline battery)
only. Other batteries (manganese batteries, for
example) run out more quickly than alkaline bat-
teries.