Garmin GPS 12 XL Instruction Manual

The Garmin GPS 12 XL is a rugged, waterproof 12-channel GPS receiver designed for outdoor navigation. It features a high-contrast LCD display, intuitive interface, track log storage, waypoint management, route planning, and multiple navigation screens. Powered by AA batteries, it provides reliable positioning for marine, automotive, and recreational use. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 12-parallel channel GPS receiver, Waterproof case (IPX7), Backlit LCD display, External antenna port, Data interface port, Power/Data cable connection.

Installation

Unpack and inspect contents. Ensure all components are present.

1. Install batteries: Open battery compartment, insert 4 AA batteries observing polarity.
2. External antenna (optional): Connect to external antenna port for improved reception.
3. Mounting: Use optional mounting bracket for fixed installation in vehicle/boat.
4. Data cable (optional): Connect data interface port to PC for software updates/data transfer.

WARNING! Use only recommended batteries. Do not short-circuit battery terminals.

First-Time Setup

Power on unit; follow initialization procedure.

1. Acquire satellites: Place unit outdoors with clear sky view, allow 2-15 minutes for first fix.
2. Set preferences: Press MENU > Setup to configure units, time format, display contrast.
3. Calibrate compass: Follow on-screen prompts if using electronic compass feature.
4. Save home waypoint: Mark current position as "HOME" for easy return navigation.

CAUTION! Initial satellite acquisition requires clear view of sky. Avoid obstructions.

Specifications

• Receiver: 12 parallel channels, WAAS capable.
• Update Rate: 1 second continuous.
• Accuracy: Position: <15 meters RMS, Velocity: 0.1 knot RMS.
• Acquisition Time: Hot start: <15 seconds, Warm start: <45 seconds, Cold start: <2 minutes.
• Datum: WGS-84 (user selectable).
• Waypoints: 500 with names and symbols.
• Tracks: 10 saved tracks, 10,000 points total.
• Interface: NMEA 0183, RTCM 104 DGPS corrections.
• Power: 4 AA batteries (16-40 hours depending on use).
• Waterproof: IPX7 standard (1 meter for 30 minutes).
• Operating Temp: -15°C to 70°C (5°F to 158°F).

Controls and Settings

Front Panel: POWER, PAGE, ENTER, QUIT, ROCKER key (up/down/left/right).

Key Functions: POWER: Turns unit on/off. PAGE: Cycles through navigation screens. ENTER: Selects/marks. QUIT: Returns to previous screen. ROCKER: Moves cursor/makes selections.

Setup Menu: Units (statute/nautical/metric), Time (12/24 hour), Display (contrast/backlight), System (interface/battery type). Navigation Screens: Satellite Status, Position, Map, Highway, Compass, Main Menu.

Connecting Devices

External Antenna: Optional GA 27 or similar. PC Connection: Data cable to serial port. NMEA Devices: Connect to compatible chartplotters/instruments.

1. Turn off GPS before making connections.
2. Use waterproof connectors when installed in marine environments.
3. Configure interface settings (MENU > Setup > Interface) to match connected device.

Tip: For best PC connection results, use Garmin data cable and compatible software.

Navigation & Waypoints

Basic navigation to waypoints and along routes.

1. Mark waypoint: Press & hold ENTER at desired location, edit name/symbol.
2. Go to waypoint: Press MENU > Waypoints > Select > GOTO.
3. Follow route: Create route (MENU > Routes > New), then activate for navigation.
4. Track navigation: Enable track log (MENU > Tracks > Record), follow breadcrumb trail.
5. Navigate with screens: Use Map for overview, Highway for course deviation, Compass for bearing.
6. Project waypoint: Create waypoint at distance/bearing from current position.
7. Man overboard: Press & hold ENTER twice quickly to mark MOB position and begin navigation back.

WARNING! GPS accuracy affected by atmospheric conditions, obstructions. Always have backup navigation methods.

Advanced Features

Trip Computer: Displays speed, heading, ETA, sunrise/sunset times. Area Calculation: Measure irregular areas for surveying. NMEA Output: Provide position data to compatible devices. Simulator Mode: Practice navigation indoors.

Care & Cleaning

Clean with fresh water after saltwater use. Use mild soap and soft cloth. Avoid solvents, abrasives, high-pressure sprays.

CAUTION! Do not open case. Refer service to qualified technicians. Keep connectors clean and dry.

Regulatory Information

FCC Part 15: Class B digital device. Complies with Canadian ICES-003. This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com or contact Garmin Product Support.

Troubleshooting

Reset: Remove batteries for 30 seconds to perform soft reset.

Service: Contact Garmin Product Support or authorized service center.