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POWER
CONNECTIONS
The UltraNav
I! works
from a
twelve-volt
battery system.
For the
best
results,
attach the
power cable
directly
to the
battery.
You can
attach the
power
cable to an
accessory
or
power
buss,
however
you
may
have
problems
with electrical
interference.
Therefore,
ifs saferto
go
ahead and
attach the
powercable
direotlytothe battery.
If
the cable
istoo
short,
splice
#18
gauge
wire
onto it. The
power
cable has
four
wires; red, black,
green,
and white. Red is
the
positive
lead,
black is
negative
or
ground.
Make
certain to
attach the in-line
fuse holder to the
red lead as
close to the
power
source as
possible.
For
example,
if
you
have to extend the
power
cable to
the
battery
or
power buss,
attach one
end of the fuse
holder
directly
to the
battery
or
power
buss.
This will
protect
both the unit and
the
power
cable
in the event of
a short.
The UltraNav
II uses a
3-amp
fuse. There is
reverse
polarity protection
built into
the UltraNav II.
If the
power
wires are
connected
backwards,
no
damage
will occur to
the unit.
IMPORTANT!
Do not use
this
product
without a
3-amp
fuse wired into the
power
cable!
Failure to use
a
3-amp
fuse will void
your
warranty.
If
you're
installing
an
optional
speed/temperature sensor,
read the
speed/
temperature
sensor's
installation
manual for
mounting
instructions.
Route
the
sensor's cable to
the UltraNav
Il's
power
cable and
plug
it
into the
connector marked
"SPEED/TEMP CABLE'
The
plotter display
automatically
shows a .1
mile
display
in
the Man
Overboard mode. Your
position
when
the Marl
Overboard
key
was
pressed
is
shown
by
the "S' with a circle
and
by
the
waypoint
icon with a
"0" Steer
to the
waypoint flag
to
get
back to the
position
saved when the
Man
Overboard
key
was
pressed.
IMPORTANT!
The UltraNav II
doesn't save the Man Overboard
position
in the
waypoint
table.
However,
it does save
the
position
on the Man
Overboard
screen.
The UltraNav II
always
shows
navigation
datato
the
position
shown
on the
Man Overboard screen
whenever the Man
Overboard
key
is
pressed.
To
stop
the
unitfrom
navigating
to the Man
Overboard
position, press
the
key
next to the
"DISABLE MOB" label.
This resets the Man
Overboard
navigtion.
For
example, suppose you
are
viewing
the Position
screen,
and
you press
the Man Overboard
key,
then
press
the OPS
key.
The
UltraNav II
first
displays
then
stores
your
present position
on the
Man Overboard
screen,
then switches
backtothe Position screen. If
you press
the Man
Overboard
key again,
it will
still show
navigation
data to the
position you
were in when
you
first
pressed
the Man Overboard
key
-
not
your present position.
Repeated
pressing
of the Man
Overboard
key
does not
repeatedly
save
your present
position!
The unit
onlysaves
the
position
thefirsttime the
Man
Overboard
key
is
pressed.
To save a
new Man Overboard
Dostion.
you
must first clear the old Dosition by
pressing the
key adiacent to the
"DISABL MOB" label.
You can
navigate
to a
waypoint using
the
Waypoint
Recall
feature,
however
when
you go
back to the Man Overboard
screen,
the UltraNavIl
stops
navigating
to the recalled
waypomnt.
Remember,
saving
the victim is the
primary goal.
Try
all
options
to rescue
the
person immediately
after the accident
happens.
Training
and educa-
tion are also
good
accident
preventatives.
The
Coast Guard has
excellent
safety
courses. Instruct all
members on board
your
boat on
safety
procedures
before
leaving
the dock. Make certain all on board
know what
to do before
any
emergency
occurs.
For more information on
saving
and
recalling waypoints,
see "How to Save
a
Waypoint"
section in
this manual.
75
TOP"
CONNECTOR
ON
ULTRANAV II
TO
S PEE P1
TEMP
SENSOR
2
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