Eagle Electronics UltraNav II Marine GPS System User Manual


 
SECONDS Iib*DD.US t 2
SECONDS
URRENT
UPDATE RATE
20 SEC0NDSW
INSTANT
a ENU
PLOTTER UPDATE
__________
The
plottershows yourtrack by
drawing
asolid line
behindyour
present
position.
The track is
______
updated
once
every instantly
when the unit is turned on for
the tirsttime.
However,
if
you're
_____________
travelling
a
long
distance,
the
_______________
track line
may
end
prematurely
_______________
due to the limited number of
dots available that
plotthetrack.
___________
Using
a
longer update
time To
change
the
update rate, press
the MENU
key
while the unit is in the
plotter
mode.
Now
press
the
key
next
to the PLOT UPDATE label. The screen shown above
appears.
The
available
plot update
times
aye instant, 2,5, 10,
and 20 seconds.
Simply
press
the
key
next to the
desired
update
time. The UltraNav II
immediately
returns to the
plotter
screen
using
the new time.
EVENT MARKER
The UltraNav
II can
place
event markers or "icons" on the
plotter
to mark
fishing spots,
shallow
water,
or other
special
locations. There are five
different
icons to choose
from and there
are 100 of each icon for a total of
500. You can
place
each icon
individually,
however,
you
have to erase all
of the icons in a
group.
To
place
an
icon,
first
press
the EVENT MARKER
key.
The screen shown
below
appears.
Now
select one of the five icons
shown
on the left side of the
screen
by pressing
the
key
next
to the desired icon. As soon as
you pressthe key,
the UltraNav
II
placestheiconatyourpresent
position.
This icon
always stays
in this location. It's saved in
memory
so it will
always
show
on the
display,
even if the unit is
turned off
and on
again.
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Using
the Event Marker with the Cursor
Normally,
when
you
select an
icon,
it's
placed
on the
plotteratyourpresent
position.
However,
you
can
place
an icon
anywhere
on the
plotter
using
the
!uu
usually adequate
for most conditions.
Experimentwith
your
unit to find the
GRAYLINE
setting
that's besf
for
you.
ToadjustORAYLINE,
pressthe
MENU
key,
then
press
the
key
adjacent
to
the "ADJUST
GRAYLINE"
label. A screen
similar to the
one at
right ap-
pears.
Now
press
the
left arrow
key
to decrease the
gray
level.
Press the
right
arrow
key
to
increase it. The
percentage
of
GRAYLINE in use
changes
as
the
arrow
keys
are
pressed.
The
bar chart also
gives
a
graphical
indication of the
GRAYLINE
level. You can seethe
changeonthe
screen
(both
on the menu
and on the
chart
record)
as
you press
the
keys. Afteryou'vefinished, press
the CLEAR
key
to erase the menu.
FISH I.D.
The Fish l.D. feature
identifies
targets
that meet certain conditions as fish.
The
micro-computer
analyses
all echoes and eliminates surface
clutter,
thermoclines,
and
other
signals
that are undesirable. In most
instances,
remaining targets
are
fish. The Fish ID. feature
displays symbols
on the
screen in
place
of the
actual fish echoes. There arefourfish
symbol
sizes:
tiny,
small, medium,
and
large.
These are used to
designate
the relative
size between
targets.
In other
words,
it
displays
a small fish
symbol
when
it thinks a
target
is a small
fish,
a medium fish
symbol
on a
larger target,
etc.
The
micro-computer
is
sophisticated,
but it can be fooled. It cannot
distinguish
between fish and other
suspended objects
such
as
trotlines,
60
17
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Ps
GRAVLINE°
ON
GRAYLINE° OFF
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