Garmin GPS II User Manual

The Garmin GPS II owner’s manual provides setup, operation, and technical specifications for the handheld navigation device.


Garmin GPS II User Manual - cover page
Brand
Garmin
Category
Vehicle Accessories
Document type
User Manual
Language
English
Pages
108
File format
PDF
File size
714 KB
Published
06 October, 2026
Updated
06 October, 2026
MD5 checksum
796C0F9CBE4D12D599744D4CFEED9E6C

About this manual

This manual introduces the Garmin GPS II, a compact handheld navigator for outdoor use. It is organized into three main sections: “Read Me First!” for initial setup, “Getting‑started Tour” for basic operation, and “Reference” for advanced features and detailed specifications.

The document also includes appendices covering battery replacement, mounting instructions, wiring and interface details, and a warranty statement. Throughout, safety cautions, FCC compliance notes, and usage guidelines are provided to ensure reliable performance.

What's inside

  • Read Me First!
  • Getting‑started Tour
  • Reference
  • Keypad Usage / Operating Terms
  • Satellite Signals
  • Specifications and Wiring
  • Appendix A – Battery Replacement
  • Appendix B – Dashboard Mounting
  • Appendix C – Specifications
  • Appendix H – Navigation Diagram

Specifications

Position Accuracy5-10 meters (16-33 ft.) with DGPS corrections
Velocity Accuracy0.1 knot RMS steady state
Power InputFour 1.5 V AA batteries or 10‑36 VDC
Current Consumption0.16 A max
Battery LifeUp to 15 h normal mode, up to 20 h battery‑saver mode
InterfacesNMEA 0183 version 2.0, RS‑232
AntennaDetachable with standard BNC connector

Frequently asked questions

How many satellites are needed for a 3‑D position fix?

The GPS II requires at least four satellites to provide a three‑dimensional (3‑D) fix.

What type of batteries power the GPS II?

It runs on four 1.5 V AA batteries or can be powered from a 10‑36 VDC external source.

How long will the unit stay on without a satellite lock?

If no satellite is tracked and no position fix is obtained, the GPS II automatically shuts off after 10 minutes of inactivity.

What is the maximum speed the GPS II will display?

The device will display speeds up to about 90 knots (103 mph).

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