Telematrix Spectrum Plus SP550, Руководство пользователя

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Keep the telephone dry. If it gets wet on the outside,
wipe it dry immediately. Liquids might contain minerals
that can corrode the electronic circuits. Do not touch the
unit if submerged in water. Call for assistance.
Use and store the telephone only in normal temperature
environments. Temperature extremes can shorten the
life of electronic devices, damage batteries, and distort
or melt plastic parts. Avoid direct sunlight.
Keep the telephone away from excessive dust and dirt
that can cause premature wear of parts.
Wipe the telephone with a damp cloth occasionally to
keep it looking new. Do not use harsh chemicals, clean-
ing solvents, or strong detergents to clean the unit.