Garmin Personal Navigator GPS 48 User manual

12 parallel channel receiver tracks and uses up to 12 satellites for
fast acquisition and a tight lock on satellites.
Updateable marine database includes city locations and nautical
navaids graphically displayed on the moving map.
User-selectable waypoint symbols and comments enhance map
display information.
Proximity waypoint feature warns you of approaching hazardous areas.
Innovative TracBackTM function turns your track log into an instant
breadcrumb trail to quickly navigate back home.
Internal alarm beeper and external antenna capability.
User-friendly rocker-keypad system allows room for a large backlit
display with easy-to-read characters and full-featured graphic plotting.
Position averaging feature helps reduce effects of Selective Availability.
Room for 500 waypoints and 20 routes of up to 30 waypoints each.
GPS 48
A New Standard in Marine Handheld GPS Navigation
The GARMIN GPS 48 defines a new standard in marine handheld
navigation by taking the most popular marine handheld GPS
receiver ever produced and incorporating several new features.
The GPS 48 features a 12 parallel channel receiver for fast satellite
acquisition and tight satellite lock, along with an updateable
marine database that graphically displays city locations and nautical
navaids on the moving map. User-selectable waypoint symbols,
proximity waypoint alarms, and GARMIN’s innovate TracBackTM
and EZinit features round out this new leader in marine handheld
GPS technology.
These features, combined with GARMIN’s user-friendly operating
system, rugged water resistant case, data protecting backup lithium
battery, and proven reliability, set a new standard in marine hand-
held GPS navigation.

GPS 48
Navigation Features
Marine Database:
Cities: City Locations
Navaids: Lit and unlit navaids including,
Buoys, Racons, fog horns,
Radiobeacons, Daybeacons
Waypoints:
Total: 500
Nearest: 9 (automatic)
Proximity: 9
Routes: 20 reversible routes with
up to 30 points each, plus
MOB and TracBackTM modes
TracBackTM:Automatic track log navigation
Track Log: 1024 points
Map Datums: 107 including one User Datum
Coordinates: Lat/Lon, UTM/UPS, MGRS,
plus 7 grids, including
Maidenhead and User UTM
Performance
Receiver: 12parallel channel receiver
continuously tracks and uses
up to twelve satellites to
compute and update position
Acquisition Times:
Warm: Approx. 15 seconds
Cold: Approx. 45 seconds
AutoLocateTM: Approx. 5 minutes
EZinit: Easy initialization, 45 seconds
Update Rate: 1/second, continuous
Accuracy:
Position: 15 meters (49 feet) RMS*
1-5 meters (3-15 feet) RMS
with GARMIN GBR 21 DGPS
receiver (optional)
Velocity: 0.1 knot RMS steady state
Dynamics: 6g’s
Interfaces: NMEA 0183 and
RTCM 104 DGPS corrections
Antenna: External QuadHelix,
BNC connector for remote
antenna attachment
Power
Source: 4 AA batteries or 10-32vDC
Battery Life: Up to 24 hours
Physical
Size: 2.0"W x 6.1"H x 1.23"D
(5.1 x 15.6 x 1.23cm)
Weight: 9.5 ounces (269 g) with batteries
Display: 2.2"H x 1.5"W (5.6 x 3.8 cm)
high-contrast LCD with
three-level backlighting
Case: Ultrasonically welded; Water proof
rated per standard IEC 529 IPX4
Temp. Range: 5ºF to 158ºF (-15ºC to 70ºC)
Memory Backup: Internal lithium battery
Accessories
Standard: GPS 48 Receiver
4 AA Batteries
Carrying Case
User’s Manual
Quick Reference Guide
Wrist Strap
Optional: Remote Antenna
Swivel Mount Bracket
Handlebar Mount Bracket
Data Transfer Cable
Cigarette Lighter Adapter
PC Kit
Specifications are preliminary and subject to change without notice.
* Subject to accuracy degradation to 100m 2DRMS under the United
States Department of Defense - imposed Selective Availability Program.
GPS 48 PERSONAL NAVIGATORTM M01-10067-000198
© 1998 GARMIN Corporation
GARMIN International
1200 East 151st Street
Olathe, Kansas 66062, U.S.A.
913/397.8200 FAX [phone]
GARMIN (Europe) Ltd.
Unit 5, The Quadrangle, Abbey Park Industrial Estate
Romsey, SO51 9AQ, U.K.
44/1794.519944 FAX [phone]
GARMIN (Asia) Corporation
4th Floor, No. 1, Lane 45, Pao-Hsing Road
Hsin-Tien, Taiwan
886/2.917.3773 FAX [phone]
www.garmin.com