Eagle ACCUNAV 2, ACCUNAV II Installation Instructions Manual
AccuNav
II
INSTALLATION
AND OPERATION
INSTRUCTIONS
LITHO IN U.S.A.
988-0129-18
EAGI
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WARNING!
USE THIS GPS
RECEIVER ONLY AS AN AID TO
NAVIGATION. A
CAREFUL NAVIGATOR
NEVER RELIES ON ONLY ONE
METHOD TO
OBTAIN POSITION
INFORMATION.
CAUTION
This GPS
receiver,
(like
all GPS
navigation
equipment)
will show the
shortest,
most
direct
path
to a
waypoint.
It
provides
navigation
data to the
waypoint regardless
of obstructions.
Therefore,
the
prudent
navigator
will
not
only
take
advantage
of all available
navigation
tools when
travelling
to
a
waypoint,
but
will also
visually
check to make certain a
clear,
safe
path
to
the
waypoint
is
always
available.
NOTICE!
As of
this
writing,
the
Department
of Defense
(DOD)
has not declared the
GPS
navigation system operational.
The
system
is still in a
testing phase.
Satellites can betumed off
oraccuracycan
bedegraded
atwill
bythesystem
operators.
Remember that the AccuNav
II,
or
any
GPS receiver is
only
as
accurate as the
systei
it's
using.
Copyright0
1993
Eagle
Electronics
All
rights
reserved.
All
features and
specifications subject
to
change
without
notice.
All screens in this manual are simulated.
NOTES:
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46
TABLE
OF CONTENTS
INSTALLATION
1
POWER
CONNECTIONS
2
GPS MODULE INSTALLATION
3
KEYBOARD
6
GPS-HOWITWORKS
7
ACCURACY
S
THE
EAGLE GPS MODULE
S
GETTING STARTED - INITIALIZATION
9
CHANGE POSITION
10
CHANGEALTITUDE
10
CHANGE TIME
10
CHANGEDATE
11
COLD START
II
POSITION/NAVIGATION
DISPLAYS
12
SATELLITE INFORMATION SCREEN
12
POSITION
SCREEN
13
STEERING SCREEN
14
NAVIGATION SCREEN
15
CUSTOMIZE
SCREENS
15
PLOTTER
16
PLOTTER
CURSOR
17
PLOTTING WITH A WAYPOINT
17
PLOTTER MENUS
IS
PLOTTER
MENU
.
PAGE 1
IS
CLEAR PLOT
IS
SETRANGE
19
ICON ON/OFF
19
ALARMS
19
GOTO CURSOR
19
CHANGE DISPLAY
20
PLOTTER MENU
-
PAGE 2
20
SELECT UNITS OF MEASURE
20
BACK LIGHT ON/OFF
21
GRID LINES
21
PLOTTER UPDATE
22
EVENT MARKER
22
USING THE EVENT MARKER
WITH THE CURSOR
22
ERASING ICONS
23
HELP
23
WINDOWS
24
VIEWING WINDOWS
OPTIONS
25
WAYPOINT NAVIGATION
25
HOW
TO SAVE A WAYPOINT
26
QUICK SAVE METHOD
26
VIEW AND SAVE METHOD
26
ENTER NEW WAYPOINT
27
NAMEAWAYPOINT
27
ERASE A WAYPOINT
28
RECALL A WAYPOINT
28
ROUTES
29
CREATING A ROUTE
29
NAMEAROUTE
30
WAYPOINT SELECTION
30
FOLLOWING A ROUTE
31
CANCEL
NAVIGATION
32
MODIFYING A ROUTE
32
ERASING A ROUTE
33
GPS ALARMS
33
ARRIVAL ALARM
35
XTE
(CROSS
TRACK
ERROR)
ALARM
35
ANCHOR ALARM
35
CHANGING GPS SETTINGS
35
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TABLE
OF CONTENTS
(cant.)
SELECT NMENDGPS RECEIVER
36
TRUE AND MAGNETIC POSITION
38
PRESET
39
MAN OVERBOARD
39
PCF OFFSET
41
OPS MODULE SELF-TEST
'13
GPS SIMULATOR
c
SPECIFICATIONS
44
WINDOWS
SUMMARY
45
WINDOWS SUMMARY
All of
the window
groups
Used
by
the
ACCUNaV II are shown on the
following
pages.
To view these
groups, simply
press
the WINDOWS
key,
then re-
peated press
the down arrow
key.
This
will
"cycle"
the unit
through
all
groups.
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GROUP"F"
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AccuNav II GPS RECEIVER SPECIFICATIONS
GPS Module Dimensions 2.5"H x 4.1W x 7"
D
Channels Five Parallel
Four continuous for
position
All satellites in view tracked
Update
rate One second
Accuracy
Maximum
accuracy
achievable with
Standard
Positioning
Service
PositionS
25 meters CEP
Velocity
0.25 meters/sec RMS
Without SA PDOP<6.0
NMEA 0183 SENTENCES
RMB
Minimum Recommended
Sentence,
Part B
RMC
Minimum Recommended
Sentence,
Part C
OLL
Present Position
-
Latitude/Longitude
APB
Autopilot Steering
Data
INTRODUCTION
The AccuNav
II is a
high quality,
wide screen GPS receiver with
perfor-
mance that is second to none in its
class.
Using
menu features and "soft-
key" operation,
the AccuNav II is also one of the easiest-to-use
products
Eagle
has ever built. The
wide "Ultravision" screen shows the
navigation
and
plotter
screens with
high
resolution
and detail. The
display
and
keyboard
are also
lighted
for
night operation.
This unit is also differential
GPS
(DGPS) ready
for
superior accuracy.
Read this manual and take it with
you
the first few times
you
use
your
unit.
It makes a
great
reference if
you
need it.
MOUNTING
Install the AccuNav II in
any
convenient
location,
provided
there is
clearance behind the unit when it is tilted forthe
best
viewing angle.
Holes
in the bracket base allow wood screw or
through-bolt
mounting.
You
may
need to
place a piece
of
plywood
on the back of thin
fiberglass panels
to
secure the
mounting
hardware. Make certain there is
enough
room behind
the unit to attach the
power
and OPS module cables.
Thesmallest holethatwill
pass
one
powerorOPS
module
plug
is
one inch.
Afterthe hole is
drilled,
pass
the OPS cable
connectorupthrough
the hole
first,
then
pass
the
power
cable down
through
it.
After the cables have been
routed,
fill the hole with a
good
marine
sealing
compound.
Offsetthe bracket to coverthe
hole. Route the
power
and GPS
module cables
through
the slot in the back of the bracket.
44 1
SLOT
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POWER CONNECTIONS OPS MODULE SELF-TEST
The AccuNav
II
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,
it's saferto
go
ahead and
attach the
powercable directlyto
the
battery.
If the cable is too
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
AccuNav
II
uses a
3-amp
fuse.
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.
This feature tests the UPS module and returns a
special
code. This code
is of interest
only
to the service
department.
However,
the AccuNav II
interprets
this code and
displays
a status
message.
This
message
is either
"MODULE HAS PASSED" or "MODULE HAS FAILED" and shows at the
bottom
of
the
screen. The
current software
version number also
appears
near the bottom of the screen. Contact the
factory
customer service
department
if the module fails the self test. Do not
attempt
to use this
product
if
it
fails
the
self
test.
To use the self test
feature,
pressthe
MENU
keytwicewhile
it's in the UPS
mode,
then
press
the
key
next to the "UPS MOD-
ULE SELF TEST" label. The
screen shown at
right appears.
To
exit
from this
screen, press
the
CLEAR
key.
GPS SIMULATOR
This feature
places position
and
navigation
data on all
screens,
including
the
plotter.
The unit
"navigates"
a closed course. It shows
bearing
and
distance to
go,
course over
ground,
and other information. A
recurring
message appears, alerting you
that the simulator mode is enabled. Don't
navigate
when the simulator is on!
To turn the simulator
on,
press
the MENU
key
twice,
then
press
the
key
next to the "UPS SIMULATOR OFF ON" label. The simulator mode starts
immediately.
To turn the simulator
off,
either
press
and hold the OFF
key
or
repeat
the above
steps.
Press the
key
next to the "UPS SIMULATOR
OFF ON" label.
AccuNav II POWER CONNECTIONS
2
43
TO "P'
CONNECTOR
ON ACCUNAV II
P CPS SELF TEST
BIT SUMMARY 0000
LOW ORDER RAM FFFF
HIGH ORDER RAM FYFF
PRE PROCESS TEST 0000
PRE PROCESS RAM FEFF
MULTI INTERFACE 0000
LICO TEST 0000
SIGNAL INJS 0000
0FTWARE_VERSION
320
CLEARI
WHITE
WIRE
TO
NMEA
INTERFACE
MODULE HAS PR RED
RED
WIRE
3
amp
FUSE
DOPS
BEACON
RECEIVER
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is the
difference between the
location shown on
the
present
position display
and the
posi-
tion shown on the
chart.
Use the
right
and left arrow
keys
to move the black box to
the
numberthatyou
wish to
change
in the
latitude,
then enter the
numbers.
Use the
up
ordown arrow
keys
Position
Correction
flflr
flFsET:NIooOO.oOO
MOO'
to
change
the latitude from north to
south,
if
necessary.
Press the
key
next
to the "ACCEPT" label
when
you've
entered the desired latitude offset.
Repeat
this
procedure
to
the
longitude.
In this
example,
we have entered .012
degrees
north lattitude
and .068
degrees
east
longitude
as the
PCF
offset. That is the differ-
ence between the
present po-
sition shown
onthe unitand our
position
shown
by
the chart. In
otherwords,
ourposition
shown
on the unit is 0.012
degrees
north and 0.068
degrees
east
of the
position
shown on the
After
you've
entered the desired
offset,
press
the
key
next to the "PCF
OFFSET OFF ON" label. This turns the PCF correction factor that
you
entered
on. To leave this
screen,
press
the
key
next to the "EXIT" label.
This returns the unitto the last used GPS screen. It also
puts yourchanges
into
effect.
To turn these
changes off,
return to this screen and
press
the
key
next to
the
"PCF OFFSET OFF ON" label.
Remember,
Presetting
the unit also
erases
any
PCF
offset, thereby turning
it off.
The white and
green
wires are for a NMEA interface
and a DOPS
beacon
receiver. The AccuNavll sends data to another electronic
navi-
gation
devices
through
the white wire and receives
data from a beacon
receiver
through
the
green
wire. If the white and
green
wires are not
used,
tape
their ends
so that
they
cannot short.
To connect a device
to the AccuNav's white or
green
wires,
attach
a
shielded,
twisted
pair
cable
from the device's NMEA
intput
to the white
wire on the
AccuNav It's
power
cable. Solder the
ground
conductor
of
the twisted
pair
and the shield to the black wire on the
power
cable. Do
not connect the shield to
the other device. See the other instrument's
manual for more
wiring
instructions.
See the NMEA section in this manual
for more information.
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
gunhels
also make
a
good
location.
Attaching
the
pole
mounting adapter
lets
you
install the module
on a one inch mast.
17mm
However,
for
lightning
protection,
the
(11/16")
antenna shoutn'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 OPS module
to the
mounting
surface.
Route the cable to
the AccuNav II.
42 3
IUSE
NUMERIC KEYS
TO CHANGE VALUE
*I
UP="N" DH="S"
Position
CorrjoJ
Factor
chart.
5.5mm
(7/32")
Hole
(4 places)
GASKET
5 MM SCREWS
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Surface
Mounting
-
Without Access
PCF OFFSET
If
you
don't have access to the back side of the
mounting
surface,
use
the "cleats"
supplied
with the AccuNav II.
(Note:
This is
assuming you
can "snake" the module's
cable to a location that is accessable. A hole
will still need to
be drilled in the
mounting
surface for the
cable.) Using
the
gasket
as a
template,
mark and drill the 17mm
(11/16")
hole for the
cable. Attach the cable
to the module and
drop
the other end of the
cable
through
the
gasket
and down the hole. Place the module on the
gasket.
Slide
the "cleats" onto each end of the module and
(using
the
cleats as
templates)
mark four holes for 5 mm
(#10) mounting
screws.
Drill
the
holes,
then
replace
the cleats on the module and fasten them to
the
mounting
surface with 5 mm
(#10)
screws. Route the cable to the
AccuNav II.
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
what the 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 reduce the errorfactor between
datum,
this unit
gives you
the
capability
to move or "offset" the
position
shown on the
display
to
match the one on
the
chart.
The unit will add this
offset to all
position displays
at all times.
Remember,
the UPS error is
very dynamic
and the PCF
offset should
never be used in an
attempt
to cancel the error. In
general
terms this
feature should
only
be used if
your map
indicates what the
possible
error
is. This feature should
always
be reset to zero
(0)
when finished with that
chart.
For
example, suppose you
are
stopped
at a location that is
accurately
marked on a chart. Your unit shows a
longitude position
that is .010
degrees
less than the one on the chart.
Using
the
Positipn
Correction
Factor
(PCF)
Offset
feature,
you
make the unit read the same as the
chart.
If
you move,
the unit will
continuously
add the
change
to all
position
displays.
This makes it more
closely
match the datum used
by
the
chart.
For this
reason,
you
should be careful when
entering
the PCF offset. This
offset is saved in
memory.
It doesn't
change
when the unit is turned off.
However,
a Preset does erase the PCF factor.
To set the PCF
factor,
first
press
the MENU
key,
then
press
the
key
next
to the "CHANGE GPS SET-
Position Correct
ioid
TINGS" label. Now
press
the
Factor
key
next to the "ADJUST FCF
______________
OFFSET" label. The screen
______________
shown below
appears.
Now
press
the
key adjacent
to
the
"CHANGE
OFFSET" label
to enterthe correction factorfor
your
location. The screen
shown at the
top
of the next
page appears. Remember,
this
'CLEAT"
MARK AND
DRILL FOUR
PLACES
GPS
GASKET
CABLE
LAT OFFSET:
LON OFFSET:
IIJ.tAUJ.UJ.U
E 0°OO.000'
4
41
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