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Garmin Personal Navigator GPS 48 User Manual

Garmin Personal Navigator GPS 48
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Owner’s
Manual
&Reference
GPS
48
Personal
Navigator
TM
GPS48revB.qxd 1/7/00 3:12 PM Page 1

Table of Contents

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Garmin Personal Navigator GPS 48 Specifications

General IconGeneral
Display TypeLCD
DisplayMonochrome
Water ResistanceIPX7
Waypoints/Favorites/Locations500
Battery Type4 AA batteries (not included)
Channels12
Weight255 grams
Map DataNo built-in maps
Routes20
Track Log1024 points
InterfaceRS-232

Summary

Cautionary Notes

Glossary of Terms

Almanac Data

Information about satellite constellation and health transmitted by GPS satellites.

Bearing

The compass direction from your position to a destination.

Course Made Good (CMG)

The bearing from the starting point to your present position.

Course Deviation Indicator (CDI)

Indicates the amount of off-course deviation on the highway page.

Navigation Basics

Degree Measurement Convention

North is 000°, east 090°, south 180°, west 270°, with diagram.

Keypad Usage and Data Entry

Button Functions Overview

Explains the function of each key, including GOTO, MARK, PAGE, QUIT, ENTER.

Initializing the GPS Receiver

Initialization Methods

Describes two methods for initial GPS setup: country selection or auto-location.

Primary Information Pages

Satellite Page Overview

Shows satellite positions and signal strength for reception monitoring.

Position Page Overview

Displays current location, heading, speed, and position coordinates.

Power On & Marking a Position

Marking Your Present Position

Steps to press the MARK key and save the current GPS fix as a waypoint.

Map Page & Going to a Waypoint

Going to a Waypoint Procedure

Steps to select a GOTO destination and navigate back to a saved waypoint.

Highway Page & Cancelling a GOTO

Cancelling an Active GOTO

Procedure to stop navigating to a selected waypoint by cancelling the GOTO function.

Clearing the Map, Contrast, & Power Off

Adjusting Screen Contrast

How to modify the screen contrast level using the Satellite Page.

Satellite Page

Sky View and Signal Strength Bars

Interpreting satellite visibility, signal quality, and position fix status.

Receiver Status & EZinit

Receiver Status Indicators

Describes states like Searching, Acquiring, 2D Nav, 3D Nav, Poor Cvg, Not Usable.

Battery Level, Backlighting & Emergency Erase

Emergency Erase Function

Steps to erase all stored data, including routes, waypoints, and track logs.

Position Page

User Selectable Fields

Options for displaying trip odometer, trip timer, elapsed time, and speed.

Map Page

Map View Controls

How to control map view, zoom levels, and configure display items.

Marine Database

Navaid Symbols and Abbreviations

Lists and describes the 10 symbols representing different types of nautical navaids.

Zooming, Panning, & Configuring

Activating the Pan Function

Steps to activate the pan function and move the map using arrow keys.

Setup Windows

Map Setup Page Options

Select map orientation (North Up, Track Up, DTK Up) and display items.

Map & Track Setup Pages

Selecting Track Recording Method

Determines how often positions are stored in the track log (Auto, Time Interval).

Clearing the Track Log

Find City Function

Lets you search the internal database for a city by spelling its name.

Using the Highway Page

Highway Page Guidance Features

Explains the graphic highway, CDI scale, and how to stay on course.

User Defined Navigation Page

Compass vs. Highway Page Comparison

Compares the Compass Page (directional pointer) and Highway Page (graphic highway).

Waypoint Pages

Nearest Waypoints List

Shows the nine nearest user waypoints with bearing and distance.

Proximity Waypoints

Review or Remove Proximity Waypoints

Procedures to review or delete a configured proximity waypoint.

Waypoint Definition Page

Creating Waypoints by Coordinates

Steps to manually input coordinates to create a new waypoint.

Waypoint Symbols & Comments

Selecting Waypoint Symbols

How to choose from 16 symbols for waypoint recognition on the map.

Renaming & Deleting Waypoints

Scanning Waypoints Feature

Feature to automatically display matching waypoints as you type a name.

GOTO Destination Function

Man Overboard (MOB) Function

Marks and sets a course to a position for quick response to passing positions.

TracBack Navigation

Track Recording Options

Options for recording tracks: Off, Fill, or Wrap.

Routes Overview

Route Navigation Segments (Legs)

Explains "legs" and "active to/from" waypoints in route navigation.

Route Definition Page

Function Prompts for Routes

Explains options like Copy, Clear, Invert, and Activate for managing routes.

Route Navigation and Editing

Editing Routes from Active Page

Options to review, insert, delete, or change waypoints within an active route.

Menu Page and System Setup

Distance and Sun Calculations

Calculates distance, bearing, sunrise, and sunset times between points.

Navigation Setup

Position Formats

Allows selection of various latitude/longitude formats (degrees, UTM, etc.).

Map Datums, Units, and Heading

CDI Scale Settings

Selects the +/- range of the CDI bar scale on the Highway Page.

Interface Setup

Selecting I/O and Transfer Formats

Specifies formats for connecting external devices and data transfer options.

Alarms Setup

Setting Alarms (On, Off, Auto)

How to enable or disable alarms and set their activation distance.

Navigation Simulator

Activating Simulator Mode

Steps to engage simulator mode from the System Setup menu.

Specifications and Wiring

Physical Specifications

Case, size, weight, and temperature range details.

Performance Metrics

Receiver type, acquisition time, update rate, and accuracy.

Battery Installation

Battery Installation Steps

Detailed procedure for opening the compartment, inserting batteries, and securing the door.

Messages and Time Offsets

Common System Messages

Explains various alert messages like 'Accuracy Degraded' and 'Route is Full'.

Navaid Abbreviations

Lit Navaid Abbreviations

Defines abbreviations for light characteristics like Fixed, Flashing, and Occulating.

Limited Warranty

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