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NMEA VERSION 2.0
WIRING CONNECTION
The shielded
red, black,
white and
green
wires are for a NMEA
0183,
version 2.0 interface. This is a
shielded,
balanced line interface. Do not
use the shield on these wires! Trim the shield
back,
away
from the
splice
when
you
attach wires from another device to the
GlobalMap
1000. The
GlobalMap
1000 sends data
(transmits)
to another electronic
navigation
device
through
the
shielded white and
green
wires and receives NMEA
data
through
the shielded red and black wires. If the
any
of these wires
are not
used, tape
their
ends so that
they
cannot
short.
To send data to the
GlobalMap 1000,
connect the other device's NMEA
0183 version 2.0
output
to the
GlobalMap's
NMEA 0183 version 2.0's
input (GlobalMap
receives
data) by attaching
a twisted
pair
cable from
the other device's NMEA
output
to the shielded red and black wires on
the
GlobalMap
Ii's
power
cable.
In
order
for the
GlobalMap
1000 to send data to
another
device,
connect
the other device's NMEA 0183 version 2.0
input
to the
GlobaiMap's
NMEA 0183 version 2.0's
output (GlobalMap
sends
data) by attaching
a twisted
pair
cable from the other device's NMEA
input
to the shielded
white and
green
wires on the
GlobalMap
il's
power
cable.
To add the
position
shown at the
top
of Man Overboard Information menu
to the
waypoint
table,
simply press
the
key
next to the "Covert Man
Overboard to
Waypoint"
label. The
GlobalMap
1000 will
assign
that
position
to the first available
waypoint
number in the
waypoint
table. This
waypoint
can be edited the same as
any
other
waypoint
on the
list,
including
the
name,
symbol,
and
position.
Remember,
repeated pressing
of the Man Overboard
key
does
not
repeatedlysave your present position!
The unit
only
savesthe
position
the
first time the Man Overboard
key
is
pressed.
To save a new Man
Overboard
position,
you
must first reset Man Overboard
by Dressing
the
key
next to the "Reset Man
Overboard" label on the Man Overboard
Information menu.
You can
navigate
to a
waypoint
using
the
Waypoint
Recall feature at
any
time,
however this
stops
the
GlobalMap
1000
from
navigating
to the Man
Overboard
position.
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
preventative.
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.
DATUMS
The GPS
navigation system
relies on
complex
mathematical calculations
to determine
your position
based on satellite data and other factors. One
factor is the Earth's
shape.
Since the Earth is not a true
sphere,
variations
in the calculations have to be made to accommodate deviations. To make
matters more
complex,
not
everyone
uses the same data to determine
whatthe deviations are. The size and
shape
of the
ellipsoids
that are used
to
approximate
the earth's surface are
improved
often. This can lead to
errors if
your navigation
device uses one
ellipsoid,
while
your
chart uses
a different one. The term used for these
ellipsoids
is "Datum."
To reducethe errorfactor between
datum,
this unit
gives you
the
capability
to select the datum used
bythe GlobalMap
1000 when
displaying
the
map.
You can select a new datum from a list or enter a correction offset based
on
latitude/longitude.
To
change
the
datum,
first
press
the MENU
key
two times. Now
press
the
key
next to the "Datum Translations" label. The screen shown at
thetop
of
the next
page appears.
WHITE
TRANSMIT WIRES
GREEN\"\
GLOBALMAP 1000
—
BLACK
r
OTHER DEVICE'S
RED/
NMEA OUTPUT
GLOBALMAP 1000 RECEIVE DATA FROM NMEA
0183,
VERSION 2.0 ONLY
BLACK
OTHER DEVICE'S
NMEA INPUT
GLOBALMAP 1000
fNQ
NMEA
0183,
VERSION 2.0 DATA TO DEVICE ONLY
1ECEIVE WIRES
BLACK
RED
SEND AND RECEIVE NMEA 0183 VER. 2.0 DATA
6 55
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