Eagle ACCUNAV 2 Specifications download pdf (Page 13)

SELECT NMEA

TheAccuNav II sends dataoutthewhitewire onthe

powercableaccording

to standards set

the NMEA

(National

Marine Electronics

Association).

This allows the AccuNav II to send

position, depth,

and

navigation

information to "listener"

units,

such as

charting

instruments,

autopilots,

and

other marine instruments. The AccuNav II uses the

following

NMEA data

protocols:

NMEA 0180 and 0183. NMEA 0180 sends

steering

information

only.

It's useful

mainly

for

autopilots.

NMEA 0183 sends

depth, position,

steering, speed,

and more. In order to use this

feature,

the white wire on

the

power

cable must be connected to the NMEA data

input

on the other

instrument. See the installation section in the front of this manual

forwiring

connection information.

The AccuNav II also has the

capability

to receive differential

data from a beacon receiver.

This

gives

the unit much better

accuracy

than normal. Howev-

er,

before

purchasing

and in-

stalling

a beacon

receiver,

make

certain there aretransmitters in

the

area

you

wish to use. Pres-

ently,

the AccuNav II can use

the

Magnavox

MRB-2A or

?NMEA 0180

F'MAGNAUOD0P3

SETUP

B EAC0 N

StarLink MX-50R.

Please note that the AccuNav II doesn't send NMEA

0183 data when the

Magnavox

MRB-2A beacon receiver is activated.

NMEA SETUP

Once

you

connect the

wiring properly,

the AccuNav II must

be told which

NMEA data format to use. Consult the owner's manual of the other

equipment

to see which format it needs. Then set

the AccuNav II as

follows:

First, press

the MENU

key.

Next,

press

the

key

next to the "CHANGE GPS

SETTINGS" label. Now

press

the

key

next to the

"SELECT NMEA"

label,

The screen shown above

appears.

GETTING

STARTED

Initialization

Power On

In orderforthe

AccuNav

to lock ontothe

satellites,

it mustfirst find them.

you simply

turn the unit on and

wait,

the unit will find the satellites

itself

in 15 minutes or less. This is called "Cold

Start." If

you

let itfindthe

satellites,

the time

display

will

probably

wrong,

since it will be

showing

UTC time

orthe time at

Greenwich,

England.

However,

all other

navigation displays,

including

the

position display

will be correct.

(You

can set the time to

your

local

time.)

speed up

the satellite

acquisition

process, you

can initialize

the AccuNav II or "tell it where it is" the

first time it's turned on. This

initialization

process

usually

done

only

once and

requires

the

following

data:

1. Present

position

latitude/longitude

2. Elevation above sea level

(altitude)

Today's

date and time

The unit

usually only

takes a few minutes or less to

find the satellites once

it's been initialized

the user.

Afterthe

powercable

and GPS antenna module

are

installed, press

the ON

key,

then

press

the

key.

Now

press

the

key

next to the "CHANGE

GPS SETTINGS" label.

Finally,

press

the

key

next to the "SET

LAT, LON,

ALT,

TIME,

DATE" label. The screen shown below

appears

next.

This is the GPS

setup

screen.

The

settings

now in use are

shown at the

top

of the

display.

you're using

the unit for the

first

time,

these

settings

are

probably wrong

for

your posi-

tion and time.To

change any

the numbers on this

display,

simply press

the

key

nexttothe

arrow with the desired label.

For

example,

change

the

local

time, press

the

key

nextto

the "CHANGE TIME" label.

LATITUDE N 36°08.852'

LONGITUDE 14 9E°SO.484'

ALTITUDE

1696

LOCAL TINE 10:17:23

LOCAL

DATE

1/03'1992_

ELATHAHGEAL

UANGETIMr

DATE

The data format

currently

in use shows at

the

top

of the screen. Press the

key

next to the desired data

output.

Now

press

the CLEAR

key.

The

AccuNav II will return to the last used GPS

screen and send NMEA data

out the white wire on the

power

cable.

Note: If

you

don't use the "cold

stari'feature,

then

you

will

have to

change

all

of the

settings

on this

page

to their correct

values. In other

words, you

can't

simply

enter

your present position

and

have the unit find the correct

values

itself.

ENTLY

USING:

INMEA

OFF'MAGNAVOX

rHFIEA 0183'SlIqRLINK DOPS

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Eagle ACCUNAV 2 Specifications Page 13

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