Garmin GPS 72H Manual

The Garmin GPS 72H is a rugged, waterproof handheld GPS receiver featuring a high-sensitivity GPS receiver, WAAS-enabled, 2.2-inch monochrome display, 500 waypoints, 50 reversible routes, 20 track logs, built-in celestial information, and a built-in quad helix antenna. Ideal for marine, outdoor, and recreational navigation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-sensitivity GPS receiver, 2.2-inch monochrome display, quad helix antenna, waterproof casing (IPX7), data port, and external power connector.

Feature	Description
High-sensitivity GPS receiver	For improved satellite reception under trees or in canyons
WAAS-enabled	Provides accuracy to within 3 meters
Waterproof (IPX7)	Can be submerged in 1 meter of water for up to 30 minutes
500 waypoints	Store and navigate to specific locations
50 reversible routes	Plan and follow multi-point routes
20 track logs	Record and retrace your path
Built-in celestial information	Sun and moon rise/set times, best fishing times
Quad helix antenna	For strong signal reception
Data port	For connecting to a PC or other devices
External power connector	For extended use with external power source

Installation

Unpack and inspect contents. Ensure all parts are present.

1. Insert batteries: Open battery compartment, install 2 AA batteries (alkaline or NiMH).
2. Attach wrist strap: Thread through provided loop for secure handling.
3. Power on: Press and hold POWER button until unit beeps and display activates.
4. Initial satellite acquisition: Place unit outdoors with clear view of sky for first-time use.

WARNING! Use only recommended batteries. Do not mix old and new batteries.

First-Time Setup

Power on GPS; follow on-screen prompts.

1. Select language: Use PAGE or ROCKER to choose language (default ENGLISH).
2. Set units: Choose metric or statute units for distance, speed, elevation.
3. Acquire satellites: Allow unit to locate satellites (may take several minutes).
4. Set time/date: Configure local time and date format.
5. Calibrate compass: Follow on-screen instructions if using electronic compass feature.

CAUTION! Ensure clear view of sky during initial satellite acquisition.

Specifications

• Display: 2.2-inch monochrome, 160 x 240 pixels.
• GPS Receiver: High-sensitivity, WAAS-enabled.
• Waterproof Rating: IPX7 (submersible to 1 meter for 30 minutes).
• Waypoints: 500 with name and symbol.
• Routes: 50 reversible routes with up to 50 points each.
• Track Logs: 20 saved tracks, 10,000 points total.
• Battery: 2 AA batteries (approx. 18 hours typical use).
• Interface: NMEA 0183, RTCM 104 differential ready.
• Operating Temp: -15°C to 70°C (5°F to 158°F).
• Dimensions: 6.1 x 15.5 x 3.3 cm (2.4 x 6.1 x 1.3 inches).

Controls and Settings

Access menus via PAGE and MENU buttons. Front Panel: POWER, PAGE, ENTER/MARK, ROCKER key.

Buttons: POWER (on/off), PAGE (cycle through screens), ENTER/MARK (confirm/waypoint), ROCKER (navigate menus/move cursor), MENU (access options).

Main Pages: Satellite (signal strength), Map (position/waypoints), Compass (bearing/navigation), Highway (steering guidance), Main Menu (access all features). Settings: System (language, units, time), Navigation (routing preferences), Tracks (log settings), Marine (nautical data).

Connecting Devices

Data port: For PC connection or external antenna. External power: For extended use.

1. Turn off GPS before connecting cables.
2. Use Garmin PC interface cable (optional) to connect to computer.
3. Connect external power via appropriate adapter (not included).
4. For external antenna, use compatible Garmin antenna cable.

Tip: Ensure connections are secure and cables are undamaged.

Navigation Features

Supports waypoint navigation, route following, track recording.

1. Create waypoint: Press ENTER/MARK at location, edit name/symbol.
2. Navigate to waypoint: Select from waypoint list, choose GOTO.
3. Create route: In Route menu, add waypoints in sequence.
4. Follow route: Select route, choose Navigate.
5. Record track: Enable track log in Track menu to record path.
6. Backtrack: Use saved track to retrace steps.
7. View celestial data: Access Sun/Moon information from Main Menu.
8. Use marine features: Display nautical data like tides (if available).

WARNING! GPS accuracy can be affected by environmental factors. Always carry backup navigation methods.

Accessibility Features

Display contrast: Adjust for visibility in bright or low light. Audible alerts: Enable tone alerts for waypoint arrival or off-course. Large font option: Available on some data screens.

Care & Cleaning

Remove batteries before extended storage. Clean with damp cloth; avoid harsh chemicals.

CAUTION! Do not use solvents or abrasive cleaners. Ensure unit is dry before use.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com or contact Garmin Product Support. This product contains software licensed under GPL; source code available upon request.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AA batteries.
Poor satellite reception	Obstructed view	Move to open area; ensure clear sky view.
Inaccurate position	WAAS not enabled	Enable WAAS in System settings.
Waypoint not saved	Memory full	Delete unused waypoints to free space.
Display hard to read	Contrast setting	Adjust contrast in Display settings.
Not connecting to PC	Driver/cable issue	Install Garmin software; check cable connection.

Reset: System > Reset > Clear All User Data (use with caution).

Service: Contact Garmin Product Support; www.garmin.com