Magellan GPS 315 User manual

GPS 315/320
GPS 315/320
User Manual

WARNINGS
USE GOOD JUDGEMENT
This product is an excellent navigation aid, but does not replace the need for
careful orienteering and good judgement. Never rely solely on one device for
navigating.
USE CARE
The Global Positioning System (GPS) is operated by the U.S. Government, which is
solely responsible for the accuracy and maintenance of GPS.
The accuracy of position fixes can be affected by the periodic adjustments to GPS
satellites made by the U.S. Government and is subject to change in accordance
with the Department of Defense civil GPS user policy and the Federal
Radionavigation Plan. Accuracy can also be affected by poor satellite geometry.
USE PROPER ACCESSORIES
Use only Magellan cables and antennas; the use of non-Magellan cables and
antennas may severely degrade performance or damage the receiver, and will void
the warranty.
LICENSE AGREEMENT
Magellan grants you, the purchaser, the right to use the software supplied in and
with MAGELLAN GPS products (the "SOFTWARE") in the normal operation of the
equipment. You may make copies only for your own personal use and for use
within your organization.
The SOFTWARE is the property of MAGELLAN and/or its suppliers and is protected
by United States copyright laws and international treaty provisions; therefore, you
must treat this SOFTWARE like any other copyright material.
You may not use, copy, modify, reverse engineer or transfer this SOFTWARE
except as expressly provided in this license. All rights not expressly granted are
reserved by MAGELLAN and/or its suppliers.
* * *
No part of this handbook may be reproduced or transmitted in any form or by any
means, electronic or mechanical, including photocopying and recording, for any
purpose other than the purchaser's personal use without the prior written
permission of Magellan Corporation.
© 2000 by Magellan Corporation. All rights reserved.
Magellan™, GPS 315™, GPS 320™ and DataSend™ are trademarks of Magellan
Corporation.
630321 C

i
Table of Contents
Introduction ............................... 1
Conventions Used in this Manual ..............1
GPS 315/320 Receiver ...........................2
Getting Started .......................... 3
Receiver Accuracy...................................3
Installing the Batteries ..............................3
Proper Handling - Signal Reception ...........4
Power On ..............................................4
Initialize .................................................4
Initialize for First Time Use .................4
Selecting Primary Usage ..........................5
Getting a Fixed Position ...........................6
Saving Your Waypoint .............................6
Basic Operation ......................... 7
Entering Information ................................7
Navigation Screens .................................7
Using the Status Screen ............................8
Using the Position Screen .........................9
Viewing the Secondary Coordinate Screen 9
Using the NAV 1 Screen ........................10
Customizing the NAV 1 Screen ...............10
Using the Compass Screen .....................11
Customizing the Compass Screen............11

ii
Using the NAV 2 Screen ........................12
Customizing the NAV 2 Screen ...............12
Using the Plot Screen .............................13
Selecting PAN-N-SCAN .........................14
Setting Track History .............................. 14
Clearing Track History ........................... 14
Setting Up the Plotter ............................. 15
Setting Hide Data/Show Data ................16
Using the Road Screen...........................17
Customizing the Road Screen .................17
Using the Speed Screen .........................18
Resetting the Odometer ..........................18
Resetting the Trip Odometer....................19
Setting the Speed Average .....................19
Using the Time Screen ...........................20
Selecting Time Format ............................ 20
Resetting Elapsed Time........................... 21
Reference ................................ 22
Working with Waypoints........................23
Creating a User Waypoint .....................24
Editing a User Waypoint ........................ 24
Creating/Editing/Deleting a Message in a
User Waypoint .....................................25
Saving Changes to a Selected Waypoint .25
Deleting a User Waypoint ......................25
Finding a Non-UserWaypoint .................26
Sorting a Waypoint ............................... 26
Projecting a Waypoint ...........................26
DataSend™ CD (optional) ......................27

iii
Using DataSend™ ..........................27
Working with Routes ..............................28
Creating/Clearing a GOTO ................... 28
Creating a GOTO on the Plotter Screen ...28
Creating a Man Over Board Route .......... 29
Creating a Backtrack Route ....................29
Creating a Multi-Leg Route ..................... 30
Viewing/Editing a Route .................31
Inserting a Leg ............................... 31
Changing a Waypoint in a Route .....31
Adding a Waypoint at the End of
a Route .........................................32
Deleting a Waypoint in a Route........32
Saving a Route ............................... 32
Activating/Deactivating a Route .......32
Reversing a Route ........................... 33
Using Plot View in a Route ...............33
Deleting a Route .............................33
Working with TrackRoute........................34
Auxiliary Functions .................. 35
Working with Sun/Moon and Fish/Hunt ..35
Selecting the Simulate Mode...................36
Selecting Contrast .................................36
Selecting Alarm/Message ......................37
Accessing the Alarm/Message Menu ...... 37
Selecting Anchor Alarm .........................37
Selecting Arrival Alarm ..........................38
Selecting XTE Alarm ..............................38
Selecting Proximity Alarm .......................39

iv
Selecting GPS Fix Alarm ........................ 40
Viewing the Alarm/MSG Menu ..............40
Selecting Alarm Defaults ........................ 40
Clearing Alarm Defaults .........................40
Customizing ............................. 41
Selecting Setup .....................................41
Selecting Initialize .................................41
Disabling NAV Screens ..........................41
Selecting a Coordinate System ...............42
Selecting Map Datum ............................43
Selecting Elevation Mode ....................... 43
Selecting Time Format ............................ 44
Selecting NAV Units ..............................44
Selecting North Reference ......................44
Selecting Light Timer ..............................45
Selecting the Beeper ..............................45
Selecting Personalize .............................45
Selecting Clear Memory ........................46
Selecting NMEA ................................... 46
Selecting Baud Rate...............................47
Connecting to DGPS..............................48
Troubleshooting ....................... 49
Commonly Asked Questions ................... 50
Contacting Magellan .............................51
Shipping Your Receiver .......................... 51
NMEA Data Messages .............. 52

v
Available Datums .................... 58
Specifications ........................... 59
Attaching the Wrist Lanyard..... 60
Accessories .............................. 61
Glossary .................................. 62
Index....................................... 66

vi

Magellan GPS 315/GPS 320 1
Introduction
Congratulations on your purchase of the Magellan GPS 315/GPS 320
receiver. Since introducing the world’s first commercial, hand-held GPS
receiver in 1989, Magellan has led the way with innovative GPS
products to meet a wide range of positioning and navigation needs.
The receiver is designed to get you out into the “Great Outdoors”
rather than spending hours reading the user’s manual. In order to get
you outdoors quickly, the manual is designed with key sequences rather
than wordy sentences.
Before you begin, make sure that your package includes the items listed
on the box. If any of these items are missing, please contact your local
Magellan dealer or distributor.
Conventions Used in this Manual
The manual is divided into chapters: Introduction,Getting Started,Basic
Operation,Reference,Customizing,Troubleshooting and Glossary. There
are also subchapters that describe NMEA, Datums and Accessories.
It is very important that you read through the Getting Started chapter
first as it prepares your receiver for use and provides basic instruction.
The Basic Operation chapter describes the features found in your
receiver including step-by-step instructions on their use.
The Reference section contains information to help you navigate using
waypoints, routes and auxiliary functions. Following is the Customizing
chapter, that allows you to establish options you want set in the receiver.
The Troubleshooting chapter gives you a problem and answer series to
guide you. The final chapter, Glossary, defines terms that may be
unfamiliar to you.
The manual is to be used with either the GPS 315 or the GPS 320.
These differ in that the GPS 315 has a database of worldwide cities
consisting of major, large and medium cities. The GPS 320 has a
database of worldwide cities as well as lighthouses, fixed navaids, buoys,
large and medium cities for three different regions of the world (North/
Central/South America, Europe/Africa and Australia/Asia).

2Magellan GPS 315/GPS 320
Quadrifilar antenna
The ENTER
key confirms
data entries or
menu selec-
tions.
The NAV key accesses
the navigation screens.
The QUIT key cancels
the operation of the last
key press and can be
used to back through
the NAV screens.
The MARK key
creates waypoints
and stores the
current position.
The LIGHT key turns
the light on and off.
The GOTO key
creates a direct
route to any
waypoint stored in
memory.
The MENU accesses
waypoint, route and
setup functions.
The PWR key turns the
receiver on and off.
The ARROWs enter
information and scroll
through menus.
GPS 315/320 Receiver

Magellan GPS 315/GPS 320 3
Getting Started
This section shows you how to use your receiver for the first time and
explains:
•Accuracy
•Battery Installation
•Primary Usage
•Getting a Fixed Position
Receiver Accuracy
The satellite constellation that provides the GPS information used by
the receiver is maintained by the Department of Defense (DoD). GPS
positioning, for general use, provides 25 meter RMS accuracy or better.
Since the signals generated by these satellites are publicly accessible, the
DoD has introduced errors in the satellite signals for security reasons.
These errors are referred to as Selective Availability (SA).
At present, your GPS position will be accurate within 100 meters
horizontally and 150 meters vertically. Due to these errors introduced
by SA, it is possible to get readings outside of these values at times.
Installing the Batteries
The receiver uses two AA batteries that are installed at the back. To
remove the battery cover, turn the ring of the battery door screw
counter-clockwise until the battery
cover can be removed.
Insert the new batteries as shown, being
sure to respect the polarities, and replace
the cover.
Replace the screw and turn the ring
clockwise until the battery door is held
in place securely. Avoid overtightening
the battery door screw.
Once the batteries have been removed,
the receiver loses time and date after 20 minutes.
+
+-
-

4Magellan GPS 315/GPS 320
Proper Handling - Signal Reception
Clear View of the Sky. Because the receiver attains information it needs
from satellites orbiting the earth, the antenna needs to have a relatively
unobstructed view of the sky. This allows the receiver to choose from
all satellites currently available.
If the view of the sky is poor, (large cliffs or buildings, heavy foliage or
other obstructions) the satellite signals can be blocked and the receiver
may take longer to compute a position fix.
Holding the Receiver. The receiver is designed to fit comfortably in
your hand. Hold the receiver in the palm of your hand with the antenna
pointing towards the sky.
You do not need to initialize your receiver each time you use it unless the
memory has been cleared or if it has been transported more than 300 miles
while turned off.
Initialize for First Time Use
If the Initialize screen does not appear, then the receiver has already
been initialized. The other steps in this procedure are not required.
Initialize
* If you do not know your elevation, press
ENTER
.
Power On
PWR
If after powering the receiver on, you do not press ENTER within 10
seconds, the receiver will shut off automatically.
PWR ENTER
Select
region
ENTER
Select
area
ENTER
Enter *
elevation
ENTER
INITIALIZE
screen
Enter
time
ENTER
Enter
date
ENTER
Select
language
ENTER

Magellan GPS 315/GPS 320 5
Selecting Primary Usage
A screen will be displayed asking your primary use for your receiver,
MARINE or LAND. The default is MARINE.
ENTER
You have completed the Initialization. The STATUS screen will appear
on your receiver.
The following chart shows the terminology that your receiver uses
while in land or marine mode. For purposes of this manual, it will be
assumed that the receiver is in the marine mode.
Land Marine
Speed SPD SOG
Bearing BRG BRG
Distance DST DST
Heading HDG COG
Velocity Made Good VMG VMG
Course To Steer CTS CTS
Estimated Time of Arrival ETA ETA
Time To Go TTG ETE
Cross Track Error XTE XTE
Recorded Position Landmark Waypoint
Units of Measure MILES/MPH NM/KNOTS
or KM/KPH

6Magellan GPS 315/GPS 320
Getting a Fixed Position
Now you should go outside in an area where you can get a clear view of
the sky. The receiver will begin acquiring data from the satellites in
view and will display the progress on the STATUS screen. Once the
receiver has computed a fixed position, the POSITION screen will be
displayed.
Saving Your Waypoint
Once the receiver has computed your current position, you may save
(MARK) this position as a waypoint.
Saving Your Position with a Receiver-Created
Name.
This is a fast way to save your position.
MARKMARK
Saving Your Position with a User-Created Name.
MARK ENTER Enter
data MARK
You can save up to 500 waypoints in your receiver and refer back to
them at any time.
Creating a GOTO
A GOTO is a route that guides you from your current position to any
waypoint in the receiver’s memory.
GOTO Select
waypoint ENTER
Select
category ENTER
This completes the Getting Started section.
The following Basic Operation section will familiarize
you with the NAV screens and more detailed
functions.

Magellan GPS 315/GPS 320 7
Basic Operation
Entering Information
Throughout this user manual there are some key presses that will be
used often, so please keep them in mind while setting up and navigat-
ing. When entering data...
• Use the for making selections and moving up or down.
• Use the to move the cursor to the left or right and page
through menus.
• Press
QUIT
to return to the previous screen and to exit a
screen or end a process.
Navigation Screens
The nine NAV (Navigation) screens (STATUS, POSITION, NAV 1,
COMPASS, NAV 2, PLOT, ROAD, SPEED and TIME) provide you
with necessary information you will need to use the receiver as a
navigational tool.
NAV screens can be viewed by pressing
NAV
from any screen. While
viewing any NAV screen, you can use the
NAV
or
QUIT
to step
through the sequence of NAV screens.
All screens, except STATUS and POSITION screens, can be disabled by
turning them off in the NAV SCREENS portion of SETUP. The
TIME screen default is off and can be turned on in SETUP as well.

8Magellan GPS 315/GPS 320
Using the Status Screen
The STATUS screen gives you the general well-being of your
receiver by showing you satellite status, signal strengths and
battery life.
Pic
Once the
receiver has
computed a
fixed position,
the STATUS
screen will be
replaced by the
POSITION
screen.
STATUS
3D
N
12
13
18
7
8
POWER
001112
782385
25
Satellite
Signal Chart
Satellite Position
Graph
Battery Life
Indicator
Satellite
Numbers
Satellite
Positions
Satellite Positions
Where the satellite is
located relative to your
position.
Satellite Numbers
Identifies the satellite
shown on the chart and
on the Satellite Position
Graph.
Battery Life Indica-
tor Shows approximate
remaining battery life for
batteries in the receiver.
Satellite Signal
Chart Displays satellite
signal strengths shown in
gray for weak signals and
black for strong signal.
When the receiver first
tracks a satellite, the
strength bar will not be
solid until ephemeris is
collected. This takes about
30 seconds if uninterrupted.
Satellite Position
Graph The two circles
indicate satellite elevation,
the outer circle represents
the horizon and the inner
circle represents 45ß from
the horizon. The center of
the circle is 90ß.
The Battery Life
Indicator was
designed to be
used with AA
alkaline batteries.
With AA lithium
batteries, you will
have more battery
life available than
shown on the
Battery Life
Indicator.

Magellan GPS 315/GPS 320 9
Using the Position Screen
The POSITION screen displays the coordinates of your last
computed position and basic navigation data. You also have
the option of viewing your position using another coordi-
nate system.
150
120 S
K
TN
M
M
POSITION
N
34 ˚ 06.52
117˚49.56W
ELEV 900 FT
11:23:35 PM
SPEED
5.38
EPE 112 FT
TRIP
238.8
COURSE 150
23JAN97
°
When you are
stationary, the
receiver begins the
averaging mode.
While averaging,
the receiver
continuously
takes fixes to
create an average.
Once you begin
moving, averaging
stops automati-
cally.
Position
Coordinates
Time
Estimated
Position Error
Distance
Traveled
Course
Second
Coordinate
System access
Elevation
Speed
Compass
Position Icon
Position Icon Your
current position on the
compass.
Estimated Position
Error May display the
estimated position error
value or DGPS if DGPS is
being fed to receiver, or
Simulate if simulate is on.
Second Coordi-
nate System
Access Displays
your present position in
a secondary coordi-
nate system. Datums
can be selected under
SETUP.
Date
Viewing the Secondary Coordinate Screen
From the POSITION screen, use the left/right ARROWs to
view the Second Coordinate System access screen.

10 Magellan GPS 315/GPS 320
Using the NAV 1 Screen
The NAV 1 screen displays your destination along with four
customizable navigation data and a graphical compass.
DST 50.2
SOG 8.2
XTE 3.80 R
VMG 7.2
BRG
COG 150
150
120 S
K
T
K
T
n
m
127
°
m
n
m
°
m
TO: FISH
Customizable
Navigation
Data
Destination
Name
Destination
Icon
Position Icon
Destination Icon This
icon represents where you
want to go.
Ideally, when you
are navigating, the
Position Icon and
the Destination
Icon should line
up, one above the
other.
When the bearing
to your destina-
tion cannot be
displayed within
the compass, an
arrow will be
displayed to
indicate the
steering direction
you should be
traveling.
Compass
Customizing the NAV 1 Screen
The NAV 1 screen can be changed to show the navigation
data that you prefer to view.
From NAV 1
screen
Select
CUSTOMIZE
ENTER
Choose
field
ENTER
Select
data type
ENTER
MENU
FIG .
AQUIT
Customizable
Navigation Data You
can change the four
navigational fields. You
can choose from BRG,
DST, SOG, COG, VMG,
CTS, ETA, ETE, XTE,
TRN, ALT, TME and
blank.
Figure A. Select
the data field to
appear on the
NAV 1 screen.
WPT NAMES
OFF
ON
WPT NAMES
OFF
ON
WPT NAMESCUSTOMIZE
BRG 027° m
DST 50.2 nm
SOG 8.2 KT
COG 056° m
VMG 7.2 KT
CTS 028° m
ETA 01:09P
ETE 02H24M
XTE L.2
nm
TRN L26°
ALT 83
TME 01:09P
BLANK
F
T

Magellan GPS 315/GPS 320 11
Using the Compass Screen
As well as displaying the customizable navigation data, the
COMPASS screen provides a pointer compass to help you
reach your destination.
Steering Indicator
Displays the bearing of
the destination relative
to the course over
ground.
Destination Icon
Shows the general
direction you should be
traveling.
COG Indicator Displays
direction you are traveling.
The COG indicator always
points up and the compass
rotates according to the COG.
When the COG
Indicator and the
Steering Indicator
point in the same
direction, you are
on course.
The
NorthFinder™
feature displays
sun and moon
icons, above the
horizon, for you
to determine the
direction of north
and your
destination. Align
the sun on the
COMPASS screen
with the sun in
the sky. When
aligned, the
Steering Indicator
will point you in
the direction you
should travel to
reach your
destination.
Customizing the Compass Screen
The COMPASS screen can be changed to show the naviga-
tion data that you prefer to view.
From COMPASS
screen
Select
CUSTOMIZE
ENTER
Choose
field
ENTER
Change
field
ENTER
MENU
FIG.
B
QUIT
WPT NAMESWPT NAMESWPT NAMESCUSTOMIZE
BRG ---° m
DST --- nm
SOG --- KT
COG ---° m
VMG --- KT
CTS ---°m
BLANK
Figure B. Select
the data field to
appear on the
COMPASS
screen.
TO: HOME
E
N
WS
+
++
+
DST
3.52m
I
SOG
2.7 m
H
BRG
127m
°
COG
156m
°
COG Indicator Compass
Destination
Icon
Sun Icon
Destination
Name
Steering
Indicator
Moon Icon

12 Magellan GPS 315/GPS 320
Using the NAV 2 Screen
The NAV 2 screen displays four customizable navigation
data. The NAV 2 screen is designed to help you see the
screen when your receiver is mounted at a distance from
you.
TO: CAMP
BRG
COG
SOG
DST
14.2˚
171˚
11.2
50.2
K
T
N
M
M
M
Destination
Name
Customizable
Navigation
Data
Customizable
Navigation Data.
You can change the
four navigational data
fields. You can
choose from BRG,
DST, SOG, COG,
WPT NAMES
OFF
ON
WPT NAMES
OFF
ON
WPT NAMESCUSTOMIZE
BRG 027° m
DST 50.2 nm
SOG 8.2 KT
COG 056° m
VMG 7.2 KT
CTS 028° m
ETA 01:09P
ETE 02H24M
XTE L.2
nm
TRN L26°
ALT 83
TME 01:09P
BLANK
F
T
Customizing the NAV 2 Screen
The NAV 2 screen can be changed to show the
navigation data that you prefer to view.
Figure A. Select the
data field to appear
on the NAV 2
screen.
From NAV 2
screen
Select
CUSTOMIZE ENTER
Choose
field ENTER Change
field ENTER
MENU
FIG.
AQUIT
VMG, CTS, ETA, ETE,
XTE, TRN, ALT, TME and
blank.