Humminbird Wide View Operation Manual page 27

Transducer
from your boat, however, if a target is detected in the narrow beam, the fish is directly under your
boat. This directional information about the target is shown on-screen as hollow fish symbols for
wide beam returns, and solid fish symbols for narrow beam returns.
The options in the Transducer menu are "Dual", which uses both transducer elements for
transmitting and receiving the sonar signals, "Narrow" which selects the 16 degree narrow beam
element only, and "Wide" which uses only the 53 degree element. Different onwater situations
and personal preference may dictate the use of only one element, however the Wide View is
designed to gather maximum information when both narrow and wide elements are used
simultaneously (Dual). Pressing ENTER will display additional information about the selected
beam's width of bottom coverage. The width of bottom coverage number is displayed onscreen
and is continually updated depending on the water's depth.
The Wide View uses a
special "dual element"
transducer that transmits a wide
and narrow beam
simultaneously. Using two
different beams allows the unit to
compare the returns from each
beam individually, and gain more
information about the terrain
below.
For instance, if a fish is
detected in the wide beam only,
the target may be some distance