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4.3 A-SCOPE
A-scope is the picture to show the strength of echo amplitude
on the right side of the screen. As A-scope display big amplitude
by big echo and small amplitude by small echo, it allows to
identify easily small fish school, sea bottom and geology.
4.4 depth size
Change the font size of water depth at the left bottom of
the
screen
<small> <middle> <big>
Setting for A-Scope
select [view]
select [A-Scope]
(Select among
『Off/on』
)
Setting for depth size
select[view]
select [depth size]
select desired size