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About the Product
Meet the Garmin GPSMAP 8412 12" Plotter — the heart of a modern glass-helm marine cockpit. With a 12-inch full HD IPS touchscreen, blazing-fast processing, and seamless networkability, this chartplotter is built to handle serious cruisers, sailors, and racers.
Brilliant display and flexible installation
- 12" full HD IPS touchscreen offers wide viewing angles, sharp charts, and outstanding readability in bright sun — even with polarized sunglasses. Mount as a flush glass helm or edge-to-edge for a sleek, modern look.
Total connectivity for the modern vessel
- Network-ready with NMEA 2000 and Garmin Marine Network to share radar, autopilots, cameras, forward-looking sonar, and more across multiple screens.
- Built-in Wi‑Fi, Bluetooth, and ANT for easy pairing with the ActiveCaptain app, Garmin Quickdraw data, and wireless sensors.
- OneHelm integration coordinates third-party onboard systems for centralized control from your chartplotter.
Smart navigation that adapts to your voyage
- Garmin SailAssist provides critical sailing data and prerace guidance for racers and cruising crews.
- Auto Guidance helps set a suggested route based on your boat’s specs and charts.
- Expandable memory for BlueChart g3 and BlueChart g3 Vision with Navionics data to ensure the newest charts and features.
- Integrated memory supports video and data distribution for a connected cockpit (via compatible Garmin devices).
Everything you need at your fingertips
- Powerful processor for fast map drawing, quick routing, and smooth multitasking — plus built-in support for USB touchscreen output for Windows and Mac as a monitor.
- Video streaming and camera control with GC™ 100 wireless cameras and VIRB® action cameras.
- SmartMode station controls enable one-touch access to critical information during docking and tight maneuvers.
- Optional GRID™ 20 remote input device with 360-degree joystick for intuitive remote chartplotter control.
| General | |
| Physical dimensions | 11.9" x 8.5" x 3" (30.3 cm x 21.6 cm x 7.6 cm) |
| Weight | 6.0 lbs. |
| Water rating | IPX6 and IPX7 |
| Display type | touchscreen IPS display (anti-glare finish) |
| Display size | 10.1" x 5.7" (25.7 cm x 14.5 cm) |
| Display resolution | FHD; 1920 x 1200 pixels |
| Power consumption | 2.4 A |
| Antenna | Internal or external over NMEA 2000 |
| Mounting options | Bail, flat or flush (Garmin do not offer any hardware or accessories for a flat-mount installation. Professional tools and knowledge is required.) |
| Receiver | 10 Hz GPS/GLONASS/Galileo |
| Garmin Marine Network™ ports | 2 |
| Maps & Memory | |
| Accepts data cards | 2 microSD cards (on back) |
| Waypoints | 5,000 |
| Routes | 100 (250 waypoints each) |
| Track log | 50,000 points; 50 saved tracks |
| pre-loaded maps | Worldwide Basemap |
| Outdoor Recreation Features | |
| Tide tables | Yes |
| Chartplotter Features | |
| Garmin Radar compatible | Yes |
| Garmin Sonar compatible | Yes |
| Garmin SmartMode compatible (customizable monitor presets) | Yes |
| Supports AIS (tracks target ships position) | Yes |
| Supports DSC (displays position data from DSC-capable VHF radio) | Yes |
| Supports FUSION-Link™ compatible radios | Yes |
| GSD™ Black Box sonar support | Yes |
| GCV™ Black Box sonar support | Yes |
| ActiveCaptain compatible | Yes |
| Garmin Helm compatible | Yes |
| GRID™ (Garmin Remote Input Device) compatible | Yes |
| Wireless remote compatible | Yes |
| Sonar Features & Specifications | |
| Dual-frequency (50/200 kHz) sonar capable | Yes (with external black box, sold separately) |
| Dual-beam (77/200 kHz) sonar capable | Yes (with external black box, sold separately) |
| Frequencies supported | NA |
| Transmit power | NA |
| CHIRP sonar technology | Yes_(when_connected_to_another_compatible_sonar_device) |
| ClearVü | yes (with GCV™ black box, sold separately) |
| SideVü | yes (with GCV™ black box, sold separately) |
| Maximum depth | NA |
| Connections | |
| NMEA 2000® compatible | Yes |
| Transducer pin numbers | NA |
| NMEA 0183 input ports | 1 differential |
| NMEA 0183 output ports | 1 differential |
| Video input ports | 1 - BNC composite 1 - HDMI (HDCP compliant) |
| Video output ports | 1 HDMI |
| Wireless connectivity | Yes |
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