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2.5 Interference
Their induced noise from the electric apparatus and the occurrence of periodic interference
from the lineup of a fish finder is the ability to eliminate noise.
< Interference> < noise reduction>
2.6 Refresh area
Change from the current value, whether, as a
whole should choose.
Setting for interference
select [display]
select [interference]
select desired level
Setting for noise reduction
select [display]
select [noise reduction]
select among
『off/on』
Setting for refresh area
select [display]
select [refresh area]
(select among
『all/from now』
