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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IDELETE ICON BANK
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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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