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The Garmin ECHOMAP™ UHD2 74cv is a high-performance 7-inch chartplotter designed for coastal and Great Lakes mariners. This specific bundle includes the GT20-TM transducer, providing a comprehensive solution for both detailed navigation and scanning sonar.
Bright 7-Inch Keyed Display: Features a sunlight-readable WVGA display with a traditional keyed interface. Physical buttons and a rotary knob ensure reliable operation in wet conditions or rough seas.
Garmin Navionics+™ Mapping: Preloaded with industry-leading U.S. coastal and Great Lakes cartography. This includes Auto Guidance+™ technology, 1-foot contours, and depth range shading for safe navigation through channels and shallow water.
Dual Sonar Views: The included GT20-TM transducer provides two professional views:
CHIRP Traditional: Delivers clear fish arches and excellent target separation.
ClearVü™: Provides a nearly photographic high-definition image of structure and objects passing directly beneath the vessel.
Vivid Color Palettes: High-contrast color schemes for scanning sonar make it easier than ever to distinguish fish targets from underwater structures.
Wireless Data Sharing: Built-in Wi-Fi® allows you to share sonar, waypoints, and routes wirelessly between two compatible ECHOMAP UHD2 5″ or 7″ units on the same boat.
ActiveCaptain® App: Connects to the free mobile app for smart notifications, software updates, and access to the Garmin Quickdraw™ Community for crowd-sourced mapping.
NMEA 2000® Ready: Seamlessly integrates with your onboard network to view engine data, connect to sensors, manage autopilots, and control FUSION-Link™ audio systems.
| Feature | Specification |
| Display Size | 7.0″ Diagonal |
| Display Resolution | $800 \times 480$ pixels |
| Display Type | WVGA, IPS |
| Dimensions | $9.1″ \times 5.6″ \times 2.6″$ ($23.2 \times 14.3 \times 6.7$ cm) |
| Water Rating | IPX7 |
| Interface | Physical Keypad |
| GPS Receiver | 5 Hz (High-sensitivity) |
| Power Input | 9 to 18 Vdc |
| Typical Current Draw | 1.25 A (at 12 Vdc) |
| Max Power Usage | 18 W (at 10 Vdc) |
| Data Cards | 1 microSD™ slot (32 GB max size) |
| Feature | Specification |
| Included Transducer | GT20-TM (4-pin) |
| Traditional CHIRP | 77/200 kHz |
| ClearVü | 455/800 kHz |
| Transmit Power | 500 W Traditional; 500 W ClearVü |
| Max Depth (Traditional) | 1,900 ft (Freshwater); 700 ft (Saltwater) |
| Max Depth (ClearVü) | 750 ft |
| Sonar Features | Vivid color palettes, Bottom lock, Temperature log |
| Feature | Capability |
| NMEA 2000® | Supported (Engine, Sensors, Audio) |
| NMEA 0183 | 1 Input / 1 Output port |
| Wireless | Built-in Wi-Fi (Sonar/Data sharing & ActiveCaptain) |
| Transducer Port | 1 (4-pin) |
| Mapping | Preloaded Garmin Navionics+ (U.S. Coastal & Great Lakes) |
| Auto Guidance+™ | Supported (via Garmin Navionics+) |
| Quickdraw Contours | Supported (1-foot HD mapping) |
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