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This gives the user easiest
recognition of the bottom
location, even from a great
distance.
The 450TX remembers the
Bottom Black setting when
powered off.
Fish ID. There are three
selections available: Off, ID
+
ON, and Adjust. The factory
setting is ID
+
On. With Fish ID
Off, sonar returns are displayed as “raw”
information. There is no interpretation made
by the unit. Selecting ID Off also disables the
fish alarm.
ID
+
On enables the 450TX to interpret the
raw sonar data and, using a variety of
techniques, depict appropriate target returns
as one of three different size fish symbols.
Further identification shows which beam the
fish is detected in. The 450TX also displays
the depth beneath the surface with the
corresponding fish symbol.
Selecting Adjust and making incremental
changes enhances the fishfinder’s ability to
identify sonar returns as fish symbols.
Increasing the value to a number greater
than zero shows more fish symbols on-
screen. In this case smaller sonar returns will
be depicted as fish symbols. This is useful for
identifying many smaller sonar returns (such
as baitfish) as fish symbols.
Decreasing the value to a number less than
zero shows fewer fish symbols on-screen. In
23
USING THE 450TX
MENU FUNCTIONS
ID
+
On Raw Sonar
Bottom Black View
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