Raymarine 465 - Manual (Page 4)

“Out of the box” operation
Because of a number of automatic fea-
tures, the FishFinder 465 unit is ready to
operate “right out of the box.” This unit in-
cludes automatic settings for the most
important controls – range, sensitivity, and
zoom. Because these settings are
automatic, the FishFinder will provide use-
ful displays right from the start. Once you
become more comfortable with the
operation of the unit, you can adjust these
settings.
Excellent ability to find fish
To a sonar unit like the FishFinder, the
water includes a lot of background “noise.”
There are many conditions which could
confuse a sonar unit – bubbles and wakes
in the water, temperature differences be-
tween water layers, and so on. It can be
difficult for a sonar unit to detect fish
against this background of noise.
Because of its advanced circuitry, the 465
is especially good at telling the difference.
Dual frequency operation
“Frequency” is a measure of how fast the
sound waves change or “vibrate.” The
FishFinder uses sound waves with two
different frequencies – 50 kHz and 200
kHz. The 50 kHz frequency scans a wide
area, and penetrates the water well. This
frequency is best for use in deep water.
The 200 kHz frequency scans a narrower
area but produces a more detailed view.
This frequency is best for seeing fish near
the bottom, or fish which are close
together. The FishFinder can also use
both frequencies at the same time. This
provides good depth penetration and good
detail in the display.
FishFinder 465
Features and functions
Fish symbols and alarms
The unit provides fast, positive identifica-
tion of fish in the water. It even indicates
the size of a fish using eight different fish
symbols. The 465 includes alarms for
shallow warning, deep warning and fish
warning.
Clear LCD display
The FishFinder display produces continu-
ous pictures of bottom conditions and fish
in the water. The display unit may be
turned or tilted to the best viewing angle.
The FishFinder unit can be easily
removed from the boat for storage in a
safe place.
Totally waterproof
The FishFinder 465 meets U.S. Coast
Guard specifications for waterproofing, so
it can stand up to the hard service
required on small boats. The rugged
construction and sophisticated sealing
methods used in this unit will ensure
many years of reliable service.
PWR
SETUP
CLEAR
465
ZOOM
BOT
LOCK
A-SCP
F I S H F I N D E R