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Description
Meet the Garmin GPSMAP 1242xsv 12-inch Chartplotter/Sonar Combo — a purpose-built marine navigation system for serious cruising and fishing. With preloaded Navionics+ charts for the U.S. and Canada and CHIRP sonar, it delivers precise navigation and vivid underwater imaging in one compact package.
- Display: 12-inch bright display with intuitive keypad and a multifunction control knob for quick, one-handed operation on deck
- Preloaded maps: Navionics+ coastal and inland charts covering the U.S. and Canada, with Auto Guidance+ for planning routes (Auto Guidance+ is for planning purposes only and does not replace safe navigation operations); Navionics Vision+ optional for richer detail
- Transducer & sonar: GT52‑TM transducer provides CHIRP sonar plus high‑resolution CHIRP ClearVü and CHIRP SideVü scanning for detailed imagery below and to the sides
- Live sonar options: Supports Panoptix and LiveScope (transducers sold separately) for real-time underwater imaging and target detection
- All‑in‑one system: Combines chartplotter, CHIRP sonar, ClearVü and SideVü scanning in a single unit for streamlined navigation and fishing
- Connectivity & sharing: Garmin Marine Network ports for sharing sonar, maps, radar, and data across multiple units; NMEA 2000/0183; ANT connectivity for connected sensors and accessories
- Wireless & app integration: Built‑in Wi‑Fi to pair with the ActiveCaptain app, OneChart, and Garmin Quickdraw Contours mapping via Garmin Connect
- Mercury integration: SmartCraft Connect gateway lets you view RPMs, fuel flow, temperature, and trim for up to four Mercury engines
- SailAssist tools: Garmin SailAssist features include laylines, race features, set and drift, wind data, and more to optimize cruising and racing
- Future-ready & expandability: Integrated ANT supports compatible quatix watches, gWind Wireless 2 transducer, GNX Wind marine instrument, and remote controls (sold separately)
- Memory & navigation aids: 2 SD cards; 5,000 waypoints; 100 routes; 50,000 track points; 50 saved tracks; Tide tables included
- Radar & sonar compatibility: Garmin Radar compatible; built‑in sonar; supports AIS; DSC; and Meteor Audio System compatibility for integrated audio alerts
- Build & durability: Dimensions 14.1" x 8.9" x 2.7"; IPX7 water rating; 10 Hz high-sensitivity receiver; two Garmin Marine Network ports
With its bright display, robust mapping, and scalable ecosystem, the GPSMAP 1242xsv helps you navigate with confidence, discover more fishing opportunities, and stay connected on the water.
| Performance and Physical | |
| Dimensions | 14.1" x 8.9" x 2.7" (35.8 x 22.6 x 6.9 cm) |
| Display size | 10.3" x 6.4" (26.2 x 16.3 cm) |
| Display resolution | 1280 x 800 |
| Display type | WXGA display |
| Weight | 5.2 lbs (2.34 kg) |
| Water rating | IPX7 |
| Power consumption | Max power usage at 10 Vdc: 34.8 W |
| Antenna | Internal or external over NMEA 2000 |
| Mounting options | Bail or flush |
| Receiver | 10 Hz high-sensitivity |
| Garmin Marine Network™ ports | 2 |
| Preloaded maps | Garmin Navionics+ coastal and inland water charts for the U.S. and Canada |
| Accepts data cards | 2 SD™ cards |
| Waypoints | 5,000 |
| Routes | 100 |
| Track log | 50,000 points; 50 saved tracks |
| Tide tables | Yes |
| Garmin Radar compatible | Yes |
| Garmin Sonar compatible | Yes (built-in) |
| 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 |
| Garmin Meteor™ Audio System compatible | 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 |
| Dual-frequency (50/200 kHz) sonar capable | Yes |
| Dual-beam (77/200 kHz) sonar capable | Yes |
| Transmit power | 1 kW traditional; 1 kW CHIRP |
| CHIRP sonar technology | Yes (Built-in) |
| ClearVü | Yes with CHIRP (built-in) |
| SideVü | Yes with CHIRP (built-in) |
| Maximum depth | 5,000 ft at 1kW (depth capacity is dependent on water bottom type and other water conditions) |
| Bottom lock (shows return from the bottom up) | Yes |
| Water temperature log and graph | Yes |
| Sonar recording | Yes |
| Sonar history rewind | Yes |
| NMEA 2000® compatible | Yes |
| Transducer pin numbers | 12 |
| NMEA 0183 input ports | 1 |
| NMEA 0183 output ports | 1 |
| Video input ports | 1 BNC |
| Video output ports | None |
| Wireless connectivity | Yes |
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