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Remember that it is impossible for sonar to determine if a signal return is a
fish or some other type of object or suspended debris. Any object not
connected to the bottom is normally a fish and is portrayed as a fish symbol.
The strength of the reflected sonar signal from a target is a good indicator
of the size of the target, and the fish symbol displayed represents the
strength of the signal reflected from it.
ID. ID is the automatic identification of
target returns based on the strength of
the returned signal and other factors.
Three options are available: ID “On”
displays targets as one of three differ-
ent size fish symbols.
“ID+”, the default setting, provides
more information about the location
of the target by attaching depth
“strings” showing the digital depth of
the target. When there are numerous
targets on-screen, not every target
depth is shown, to avoid excessive
clutter on-screen.
USING THE 100ID SERIES
MENU FUNCTIONS
ID+ Fish Depth
ID “ON”
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