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this case smaller sonar returns are disregarded. This is useful for eliminating
many small sonar returns when seeking larger species of fish.
The 450TX remembers this selection even when the unit is powered off.
Numeral Size. Two options are available: Big
and Small. The factory setting is Big. With this
setting, the digital depth and speed and temp
numerals are drawn large enough to be read
from across the boat. The big numerals occupy
space on the display that could be used for the
graphics area. Hence, the small numerals
option. With small numerals selected, a greater amount of the display area
is available for the graphic view. This effectively increases the display
resolution of the unit.
Numeral Size settings are remembered when powered off.
Transducer. The Transducer Option controls
the 450TXs ability to determine the
transducer connected. If you are using the
standard tri-beam transducer or wide side
transducer, no adjustment to this menu is
needed unless the transducer develops a
fault, which is a rare occurrence. The factory
setting for the Transducer menu is "Auto". The transducer menu selections
will be remembered when the 450TX is turned off.
If a faulty transducer is connected, the 450TX may not change the screen
presentation to match the transducer. In this instance, you may need to
manually select "Tri-beam" for the tri-beam transducer or "Side" for the
WideSide transducer.
Often a transducer switch is used to connect two tri-beams transducers, or
a tri-beam and a wide side to the 450TX. In "Auto" the 450TX identifies
the transducer as the switch is changed. Only if the transducer is faulty do
you need to manually identify the transducer in the menu.
When using a dual beam (DHS-W) and tri-beam transducer together with
a switch, leave the menu set to Tri-beam. When using a dual beam and
Wide Side transducer together with a switch, manually select the correct
transducer in the menu each time the switch is changed.
24
USING THE 450TX
MENU FUNCTIONS
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