The Garmin GPSMAP 741xs is a 7-inch high-brightness chartplotter with built-in BlueChart g3 coastal charts, preloaded U.S. BlueChart g3 coastal charts, an internal GPS/GLONASS receiver, and support for Garmin radar, sonar, and autopilot systems. It features a sunlight-readable, capacitive touchscreen display, NMEA 2000 and NMEA 0183 connectivity, and compatibility with various Garmin marine networks. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 7-inch sunlight-readable capacitive touchscreen, internal GPS/GLONASS receiver, preloaded U.S. BlueChart g3 coastal charts, NMEA 2000/NMEA 0183 connectivity, Garmin Marine Network port.
| Feature | Description |
|---|---|
| Display | 7-inch, 800 x 480 pixels, sunlight-readable, capacitive touch |
| Internal GPS/GLONASS | High-sensitivity receiver with WAAS/EGNOS support |
| Preloaded Charts | U.S. BlueChart g3 coastal charts with detailed coverage |
| Connectivity | NMEA 2000, NMEA 0183, Garmin Marine Network |
| Radar Support | Compatible with Garmin GMR xHD2 and xHD3 radar series |
| Sonar Support | Supports Garmin CHIRP traditional, ClearVü, and SideVü sonar |
| Autopilot Support | Compatible with Garmin Reactor autopilot systems |
| Power Input | 10–35 Vdc |
| Water Rating | IPX7 (submersible to 1 meter for 30 minutes) |
| Mounting | Flush mount or bracket mount options |
Unpack and inspect contents. Choose mounting location with clear view of sky and operator.
WARNING! Ensure power is off during installation. Route cables away from moving parts and heat sources.
Power on the chartplotter; follow on-screen prompts.
CAUTION! Ensure proper ventilation around the unit. Do not block cooling vents.
Access menus via touchscreen. Physical buttons: Power, Volume +/-.
Touchscreen Controls: Tap to select, swipe to pan charts, pinch to zoom.
Main Menu: Navigation, Sonar, Radar, Settings, Information. Settings: System (language, units, backlight), Communications (NMEA, network), Navigation (route planning, alarms), Sonar/Radar (setup connected devices). Chart Settings: Depth shading, chart detail, waypoint symbols. User Profiles: Save custom settings for different users or conditions.
NMEA 2000: Connect to boat’s network for engine data, wind, depth, etc. NMEA 0183: For older instruments or autopilots. Garmin Marine Network: For radar, sonar, autopilot.
Tip: Label cables during installation for easier troubleshooting.
Supports detailed chart plotting, route creation, and waypoint management.
WARNING! Always verify chart data with official sources. Use navigation aids responsibly.
Sonar: View traditional CHIRP, ClearVü, and SideVü sonar (with compatible transducer). Radar: Overlay radar image on chart for collision avoidance.
Turn off and disconnect power before cleaning. Use a soft, damp cloth with mild soap. Do not use abrasive cleaners or solvents.
CAUTION! Do not spray liquids directly on the unit. Ensure connectors are dry before reconnecting power.
FCC Compliance: This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. CE Compliance: Meets EU directives for marine equipment. 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 wiring for secure connections; verify 10–35 Vdc power source. |
| Poor GPS signal | Obstruction | Ensure clear view of sky; check antenna connection if external antenna is used. |
| Touchscreen not responding | Screen protector/dirt | Remove screen protector if present; clean screen with soft cloth. |
| No data from NMEA devices | Wiring/configuration | Check NMEA wiring and configuration in Settings > Communications. |
| Charts not displaying | Chart data | Verify chart region is installed; insert microSD card with charts if needed. |
| Sonar/radar not working | Connections/power | Ensure devices are powered and properly connected via Garmin Marine Network. |
Reset: Hold Power button for 10 seconds to restart. Factory reset available in Settings > System > Reset.
Service: Contact Garmin Product Support or visit www.garmin.com/support.