Do not power on this unit when the vessel is
Failure to observe this precaution may damage
components such as the transducer.
Do not expose this unit to magnetism.
Failure to observe this precaution may disturb
the screen display colors of water depths or of
alarms, thus causing accidents.
When disconnecting the power plug cord, be
sure to disconnect its terminals properly. The
power plug cord, if yanked, may be damaged
and as a result, fire and/or electrical shock may
Do not block the ventilation holes in this unit.
Blocked holes may cause fire and/or trouble
since the heat inside cannot be released.
When this unit is not to be used for a long
period, before disconnecting the power plug
cord, turn off the power unit of the unit to
Do not use organic solvents, such as thinner or
benzene, to clean the surface. These solvents
damage the coatings on the surface.
To clean the surface, remove dirt and dust and
then wipe with a clean and dry cloth.