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Very
small fish
probably
will
not arch at all. Medium sized fish
will
show
a
partial arch,
or a
shape
similar to an arch if
they're
in
deep
water.
Large
fish will
arch,
but turn
the
sensitivity up
in
deeper
water to see
the arch.
Because
of
water
conditions,
such as
heavy
surface
clutter,
thermoclines, etc.,
the
sensitivity
sometimes cannot be increased
enough
to
get
fish arches.
One of the best
ways
to
get
fish arches is to
expand
or "zoom" a
0 PS
segment
of the water. For
example,
from 45 to 60 feet. The smaller
the
segment,
the better the screen resolution will be. The easiest
way
to do this on the UltraNavGPS is
with
the Bottom Track feature. Use
the 2x or 4x Bottom Track mode
to
expand
the
echoes, making
it easier
to see detail. For the best
results,
turn the
sensitivity up
as
high
as
possible
without
getting
too much noise on the screen. In medium to
deep water,
this method should work to
display
fish arches.
If
you
see fish
signals
when the
unit
is in the manual
mode,
but don't
get
fish
symbols
when the Fish l.D. feature is
on, try increasing
the
sensitivity.
WARNING!
USE THIS GPS RECEIVER ONLY AS AN AID TO NAVIGATION. A
CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO
OBTAIN POSITION INFORMATION.
CAUTION
This GPS
receiver,
(like
all GPS
navigation equipment)
will show the
shortest,
most direct
path
to a
waypoint.
It
provides navigation
data to the
waypoint regardless
of obstructions.
Therefore,
the
prudent navigator
will
not
only
take
advantage
of all available
navigation
tools when
travelling
to
a
waypoint,
but will also
visually
check to make certain a
clear,
safe
path
to
the
waypoint
is
always
available.
NOTICE!
As of this
writing,
the
Department
of Defense
(DOD)
has not declared the
GPS
navigation system
as
operational.
The
system
is still in
atesting phase.
Satellites can beturned off
oraccuracycan bedegraded
atwill
bythe system
operators.
Remember that the
UItraNavGPS,
or
any
GPS receiver is
only
as accurate as the
system
it's
using.
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