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new range, and the old sonar information would continue to scroll off the screen
at the old range.
Transducer: The transducer is part of the sonar system, which mounts on the
boat and is in contact with the water, that converts the electrical energy from
the transmitter into sound energy, and that forms the sonar beam in turn.
Internally, the transducer consists of one or more piezo electric disks that
expand by very minute amounts to create the sound wave. This element also
works in reverse, converting the returned sound energy back into an electrical
signal that the receiver interprets. Transducers are available for many specific
mounting applications for the boat, such as a transom mount, trolling motor
mount, etc. Humminbird® offers many sophisticated transducers, often with
multiple piezo electric elements designed to form specifically-shaped sonar
beams, providing the angler with superior tools for finding and catching fish.
See Transmitter and SONAR.
Transmitter: The transmitter and receiver are matched parts of the sonar system
that send (transmit) and listen to (receive) the sonar signals, and work in
conjunction with the transducer. Humminbird® transmitters have an extremely fast
cycling design that can send signals up to 60 times per second, as well as produce
the varying levels of power output needed for different depths and conditions.
Additionally, the transmitter has the capability to create very precise sonar pulses
needed for a high degree of target separation. Humminbird® receivers are
extremely sensitive, but within a narrow "bandwidth" to discriminate against
noise from external sources. Additionally, the receiver offers a wide "dynamic
range" which provides the ability to receive very strong signals alternating with
very weak signals, without the strong signal overwhelming the weak signal.
See Transducer and Noise.
TripLog: TripLog is a Humminbird® feature that provides an on-screen counter for
Elapsed Time, Average Speed and Total Distance traveled, and requires a speed
input to activate the feature. TripLog appears on the Big Digits View, and can be
reset to zero through the TripLog menu.
TrueArch®: TrueArch® is a Humminbird® feature that provides true fish arches, not
artificial arches or symbols. Humminbird® units are capable of producing fish
arches due to the wide 60° sonar beam of DualBeam PLUS™, an extremely
sensitive sonar receiver. See Fish Arch.