Garmin GPSMAP 547 Manual

The Garmin GPSMAP 547 is a 5-inch marine chartplotter with a sunlight-readable color display, built-in worldwide basemap, preloaded BlueChart g2 U.S. coastal charts, high-sensitivity GPS receiver, support for Garmin radar, sonar, and autopilot systems, NMEA 0183 and NMEA 2000 connectivity, waterproof design (IPX7), and intuitive touchscreen interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Navigation Features 8. Chartplotter Functions 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 5-inch sunlight-readable display, GPS antenna, Power/data cable, Mounting hardware, Protective cover.

FeatureDescription
Display5-inch diagonal, 480 x 640 pixels, color TFT, sunlight-readable
GPS ReceiverHigh-sensitivity, WAAS-enabled
ChartsPreloaded BlueChart g2 U.S. coastal charts
ConnectivityNMEA 0183/NMEA 2000, support for radar, sonar, autopilot
Waterproof RatingIPX7 (submersible 1 meter for 30 minutes)
Power Input10-32 V DC
Data StoragemicroSD card slot for additional charts/data
InterfaceTouchscreen with physical buttons for key functions
MountingFlush mount and bracket mount options included
CompatibilityGarmin Marine Network devices

Installation

Unpack and inspect contents. Choose mounting location carefully.

  1. Select Mounting Location: Choose a flat, sturdy surface with clear view of sky for GPS reception.
  2. Mount Bracket: Use included hardware to secure bracket to surface.
  3. Connect Power: Route power cable to 10-32 V DC source; connect red to positive, black to negative.
  4. Connect Data Cables: Attach NMEA 0183 or NMEA 2000 cables for external devices (optional).
  5. Secure Unit: Attach chartplotter to bracket; tighten security screw.

WARNING! Ensure power is off during installation. Route cables away from moving parts and heat sources.

First-Time Setup

Power on unit; follow on-screen prompts.

  1. Initial GPS Acquisition: Place unit in open sky view; allow 5-15 minutes for first satellite fix.
  2. Set Language: In System Settings, select preferred language.
  3. Configure Units: Set distance, speed, depth, and temperature units (nautical/statute).
  4. Calibrate Compass: Follow on-screen instructions if using internal compass.
  5. Load Charts: Insert microSD card with additional charts if needed.

CAUTION! Do not power on until all connections are secure and waterproof seals are properly seated.

Specifications

Controls and Settings

Access menus via touchscreen or physical buttons. Front Panel: POWER, PAGE, ZOOM IN/OUT, MARK.

Touchscreen: Tap icons for navigation, charts, sonar, radar, and settings.

Navigation: Waypoints, routes, tracks, MOB (Man Overboard). Charts: Chart detail, orientation (North-up/Course-up), shading, contours. Sonar: Depth, temperature, fish symbols, alarms. System: Display brightness, backlight timeout, units, language, system info. Network: Configure connected Garmin devices (radar, autopilot, etc.).

Connecting Devices

NMEA 0183: Connect to compatible devices for data exchange. NMEA 2000: Connect to network for advanced device integration. Garmin Marine Network: Connect radar, sonar, autopilot.

  1. Turn off power before making connections.
  2. Use appropriate cables (included or purchased separately).
  3. Configure devices in Network menu after connection.

Tip: Label cables during installation for easier troubleshooting.

Navigation Features

Supports waypoints, routes, tracks, and MOB function.

  1. Create Waypoint: Tap MARK or touch and hold on chart.
  2. Create Route: Tap Route tool, select points on chart.
  3. Navigate: Select waypoint or route, tap Go To.
  4. Track: Automatically records path; can save and navigate back.
  5. MOB: Press and hold MARK button to mark man overboard position.
  6. Dock Mode: Simplified interface for docking maneuvers.
  7. Anchor Alarm: Set alarm to alert if vessel drifts from anchored position.
  8. Tide Information: View tide stations and predictions on chart.

WARNING! Always maintain situational awareness; electronic navigation aids are supplements to traditional methods.

Chartplotter Functions

Chart Display: Adjust detail, orientation, shading. Data Overlay: Show depth, speed, course, time to destination. Sonar View: Split-screen with chart or full-screen sonar display. Radar Overlay: Superimpose radar image on chart (with compatible radar).

Care & Cleaning

Disconnect power before cleaning. Use fresh water and mild soap with soft cloth. Do not use abrasive cleaners or high-pressure spray.

CAUTION! Ensure all connectors and seals are clean and dry before reconnecting power.

Regulatory Information

FCC Compliance: This device complies with part 15 of FCC rules. Operation subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. Copyright © Garmin Ltd. or its subsidiaries. BlueChart and GPSMAP are trademarks of Garmin Ltd. For support, visit www.garmin.com/support or contact Garmin Product Support.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower connectionCheck fuse (3A); verify 10-32 V DC at power cable; ensure connections are secure.
Poor GPS receptionObstruction/interferenceMove to open area; check for metal obstructions; verify antenna connection.
Touchscreen not respondingScreen contamination/calibrationClean screen; recalibrate in System Settings.
No data from NMEA devicesCabling/configurationCheck wiring; verify NMEA settings match connected device.
Chart not displayingChart data/cardEnsure chart region is installed; reinsert microSD card; check for card damage.

Reset: Hold POWER + PAGE during startup for system reset (saves user data).

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

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