Garmin GPS 128 User Manual

12 parallel channel receiver tracks and uses up to 12 satellites for fast
acquisition and a tight lock on satellites.
Large, backlit LCD display with easy-to-read characters, moving map
plotting, and dedicated zoom keys for straight forward, intuitive
operation.
User-selectable waypoint symbols and comments enhance map
display information.
Proximity waypoint feature warns you of approaching hazardous
areas.
Internal GPS antenna, perfect for the open top installation (GPS 126).
Differential-Ready accuracy — just add the optional GBR 21 receiver
for accuracy to 1-5 meters, regardless of Selective Availability.
500 waypoints, 20 routes of up to 30 waypoints, anchor, arrival and
CDI alarms, one touch MOB and GOTO functions.
GPS 126 &128
Internal or Remote, that is the Question
With its large, high contrast, 4.25" LCD display and a powerful
12 parallel channel receiver the GPS 126 and 128 are the ideal
choice for the navigator who wants more than a handheld—without
the cost, complexity and large footprint found in typical fixed
mount units.
The built-in GPS antenna makes the GPS 126 perfect for the
mariner that navigates from an open console, the GPS 128 with its
remote mount antenna is the choice for the enclosed bridge or cabin.
The GPS 126 and 128 marine navigators feature a customized
moving map display with user-selectable waypoint symbols and com-
ments, dedicated zoom keys help to make operation straight forward
and intuitive. User-selectable highway or compass navigation pages
provide graphic steering guidance to your destination, eliminating the
guesswork when you’re trying to find your favorite hotspot.
These powerful features combined with GARMIN’s user friendly
operating system make the answer easy.

Garmin GPS 128 Specifications

General

Waypoints/Locations	500
Channels	12
Display Resolution	160 x 240 pixels
Display Type	LCD
Battery Type	4 AA batteries
Water Resistance	IEC 60529 IPX7
Map Coverage	Built-in basemap
Antenna	Built-in
Position Accuracy	<15 meters (95% typical)
Acquisition Time	Warm: Approx. 15 seconds, Cold: Approx. 45 seconds
Routes	20
Track Log	10, 000 point automatic track log
Ability to add maps	No
PC Interface	USB
Interface	NMEA 0183
Power Supply	4 AA batteries

Summary

GPS 126 & 128 Key Features

12 Parallel Channel Receiver

Tracks and uses up to 12 satellites for fast acquisition and a tight lock.

Large Backlit LCD Display

Features moving map plotting and dedicated zoom keys for intuitive operation.

User-Selectable Waypoint Symbols

Enhance map display information with custom symbols and comments.

Proximity Waypoint Feature

Warns you of approaching hazardous areas.

Internal GPS Antenna

Ideal for open-top installations (GPS 126).

Differential-Ready Accuracy

Achieve 1-5 meter accuracy with optional GBR 21 receiver.

Waypoint and Route Storage

Stores 500 waypoints, 20 routes, and offers MOB/GOTO functions.

Navigation Features Overview

Waypoint and Route Capabilities

Stores 500 waypoints, 9 nearest, 20 reversible routes with up to 30 points each.

Track Log and Map Datums

Features automatic track log navigation, 1024 points capacity, and 107 map datums.

Physical and Performance Specifications

Display and Case Specifications

4.25" high-contrast LCD display, full gasketed, high impact plastic alloy case.

Receiver Performance

Differential-ready 12 parallel channel receiver with fast acquisition times.

Accuracy and Update Rate

Position accuracy up to 49 feet RMS, 1/second update rate.

Antenna and Power

Internal Quad Helix antenna (GPS 126), remote mount (GPS 128), 10-40 VDC power.