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.
Key components: 5-inch sunlight-readable display, GPS antenna, Power/data cable, Mounting hardware, Protective cover.
| Feature | Description |
|---|---|
| Display | 5-inch diagonal, 480 x 640 pixels, color TFT, sunlight-readable |
| GPS Receiver | High-sensitivity, WAAS-enabled |
| Charts | Preloaded BlueChart g2 U.S. coastal charts |
| Connectivity | NMEA 0183/NMEA 2000, support for radar, sonar, autopilot |
| Waterproof Rating | IPX7 (submersible 1 meter for 30 minutes) |
| Power Input | 10-32 V DC |
| Data Storage | microSD card slot for additional charts/data |
| Interface | Touchscreen with physical buttons for key functions |
| Mounting | Flush mount and bracket mount options included |
| Compatibility | Garmin Marine Network devices |
Unpack and inspect contents. Choose mounting location carefully.
WARNING! Ensure power is off during installation. Route cables away from moving parts and heat sources.
Power on unit; follow on-screen prompts.
CAUTION! Do not power on until all connections are secure and waterproof seals are properly seated.
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.).
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.
Tip: Label cables during installation for easier troubleshooting.
Supports waypoints, routes, tracks, and MOB function.
WARNING! Always maintain situational awareness; electronic navigation aids are supplements to traditional methods.
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).
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.
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.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power connection | Check fuse (3A); verify 10-32 V DC at power cable; ensure connections are secure. |
| Poor GPS reception | Obstruction/interference | Move to open area; check for metal obstructions; verify antenna connection. |
| Touchscreen not responding | Screen contamination/calibration | Clean screen; recalibrate in System Settings. |
| No data from NMEA devices | Cabling/configuration | Check wiring; verify NMEA settings match connected device. |
| Chart not displaying | Chart data/card | Ensure 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