JRC NWZ-4610 Instruction Manual page 6

CAUTION
Without qualified service personnel, do not attempt to install this
unit. Contact our service center or agent for any electrical work or
installation of this unit. Otherwise it may cause a malfunction.
Do not install this unit at the place exposed to direct sunlight for a
long time or hit by hot wind or where the temperature rises above
55℃. Otherwise it may cause a fire or a breakdown.
Do not place the unit on a wobbly stand or any unsteady
foundation. Otherwise it may cause the unit to fall, resulting in an
injury or a damage.
Do not put this unit in the cabinet, and do not cover with the
nonporous thing such as cardboard. Heat shuts oneself up, and it
may cause a fire or a breakdown.
When this unit is suddenly moved from a cool place to a warm
place, drew condensation water may form on the inside windows,
and the liquid crystal part can become visually difficult. In this
case, leave the unit for a while until becoming dry condition. Then
operate the unit.
When installing this set, be sure to connect the grounding wire or
the grounding plate to the grounding terminal of the unit.
Otherwise you may suffer from an electric shock.
Do not turn on the power switch of the unit while the ship is on the
shore. Otherwise, the transducer may malfunction.
Do not use an organic solvent such as thinner or benzine when
you clean the surface of the unit. For cleaning the surface, remove
the dust and wipe with clean dry cloth. Otherwise, the painting on
the surface may be damaged
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