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recalled
waypoint
if the arrival
alarm'ssetting
is.1 mile. We've
drawn the
imaginary
arrival
alarm radius on
the
screen at
right.
As
you
can
see,
the
present position symbol
hasn't
reached the circle. When it
does,
the arrival alarm will
sound. The alarm is
adjustable
from .010 to 9.99 miles.
XTE ALARM
The XTE
(cross
track
error)
alarm
sounds atonewhen
your
crosstrack error is
greaterthan
the alarm's
setting.
As shown
on the
map
at
right,
the boat's
cross track error is 3/4 mile. If
the XTE alarm is set to 1
mile,
the alarm
sounds,
(shown by
an
imaginary
line on the screen
at
right) letting you
know how
faroffcourseyourpresentposi-
tion is. This alarm is
adjustable
from .010 to 9.99 miles.
ANCHOR
ALARM
The anchoralarmsounds atone
when the
present position
moves outside a
preset
radius.
For
example,
if
you
set the an-
chor alarm to .1 nautical mile
(600 feet),
then the alarm
will
sound if
you
move more than
600 feetfromthe location where
you
set the alarm. It's
adjust-
able from 0.01 to 9.9 miles. On
the
map
at
right,
the anOhOr
alarm is set to .5 miles. If the
boat moves outside the .5 mile
circle,
the anchor alarm will
sound a tone.
The LOWRANCE LGC-1 GPS MODULE
This
optional
OPS receiver is
currently
used with all Lowrance GPS
gimbal-mount products.
It's
small,
rugged,
and fast. The five channel
design
lets it track all satellites in view and
acquire up
to five satellites at
onetime. It sends
position
information to the
GlobalMap
1000 once
every
second.
By incorporating
Rockwell's GPS receiver
technology
with
Lowrance's state-of-the-art
design
and
manufacturing capabilities,
Low-
rance
bringsto
the consumerone of the most advanced line of GPS marine
navigation systems
available in the world.
IWRTh
(
GPS MODULE INSTALLATION
The GPS module can be installed on a flat surface or
(with
the
supplied
adapter)
on a
pole.
Mount the module in an area that
guarantees
a clear
view of the
sky
at all times. In
order
for the module
to
receive the
signals
from the
satellites,
it must not be obstructed. An ideal location is on a
•
cabin
roof,
or deck. The
gunnels
also make a
good
location.
Attaching
the
pole mounting adapter
lets
you
install the module on a one inch
•
mast.
However,
for
lightning protection,
the antenna shouldn't be the
highest part
of the boat.
Surface
Mounting
-
With Access
If
you
have access underneath the
mounting
surface,
use the
gasket
supplied
with the OPS module as a
template.
Drill four 5.5
mm
(7/32")
holes and one 17 mm
(11/16")
hole
for the module's cable.
Attach the
cable to the module and
pass
it down
through
the hole in the
gasket
and
the
mounting
surface.
Use 5 mm
screws,
flat
washers,
and lock wash-
ers to fasten the GPS
module to the
mounting
surface.
Route the cable to
the
GlobalMap
1000.
17mm
5.5mm
(7/32")
Hole
(11/16")
ARRIVAL ALARM
—_,t.
..—....,—_
,.
—
"
—
CROSS TRACK ALARM
4
N
(4 places)
GASKET
50
11
DE'
5 MM SCREWS
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