Take Control of a Beautiful Helm
- Premium 24-inch full HD display with pinch-to-zoom touchscreen control has highest resolution on the marine market
- Configure the full system to provide 1-touch setting access for docking, cruising, fishing, anchoring and more
- Beautiful glass helm look with ability to install multiple displays either flush or flat mounted edge-to-edge
- High-performance processor delivers our fastest map drawing ever and enhanced video processing
- Provides a superior user experience across your entire network for radar, sonar and multimedia
GPSMAP 8424 large-format multifunction display features a 24-inch full HD screen with touch control. Sunlight-readable, anti-glare display is exceptionally easy to view and also includes auto-dimming feature for use in low light or at night. The maximum glass design enables you to experience a beautifully powerful, completely networked helm at your fingertips. In-plane switching (IPS) LCD display - an industry first for this class - provides consistent, accurate colors from all viewing angles. It also provides standard USB touch output for use as a touchscreen monitor for Windows® and Mac® operating systems. Install multiple displays with the industry's lowest flush-mount profile or flat mount them edge-to-edge to create a sleek glass helm look. Quick, 1-touch access to the information you need makes boating easier.
Full System Integration
GPSMAP 8424 integrates various sonar technologies as well as autopilot, connectivity, apps, engine data and multi-media. User data can be automatically synced for all networked networked 8400/8600 series chartplotters across multiple helms - everything you need is at your controls are available right at your fingertips either at the helm or programmed into a remote key fob or an app on your tablet provided by CZone by Mastervolt.
Experience the fluidity of our fastest map drawing ever and enhanced video processing. Add up to 4 IP camera streams and simultaneous Garmin Helm™ support. In addition, all your added sensors, such as radar, sonar, multimedia and more, will benefit from the increased performance to provide a premium experience across your boat's entire network.
Customize Layouts with SmartMode™ Control
To make boating easier, GPSMAP 8424 includes presets for sonar, radar, cameras, media and digital switching, which can be independent or incorporated into SmartMode. With SmartMode control, you can quickly change all screens at a helm in sync to a preset mode, for example, fishing, docking, night cruising, etc. One-touch access allows you to switch all monitors in sync from 1 mode to another without manually switching each monitor separately. Fully customizable layouts, data and gauges allow you to place the information you need to see right where you want it.
Garmin Marine Network & NMEA 2000® Network Support
Full-network compatibility allows you to add more to your boat. GPSMAP 8424 supports radar, autopilot, instruments, multiple screens, FUSION-Link™ entertainment system, sensors, remote sonar modules, digital switching, weather, thermal cameras, GRID™ remote device and more. It's also FLIR camera compatible and provides SiriusXM support.
View Multiple Sonar Sources Simultaneously
GSD™ 26 CHIRP professional sonar, GSD 24 advanced sonar, and GCV™ 10 or GSD 25 DownVü and SideVü scanning sonar, even Garmin Panoptix™ all-seeing sonar, can exist on the same system. You can view various sonars together on 1 monitor or across multiple monitors in multi-display systems.
Add Array or Dome Radar
You can add your choice of Garmin marine radar, including our powerful xHD2 open-array radars, GMR Fantom™ open-array radars with MotionScope™ technology or xHD dome radars that pair ease of use with advanced open-array features.
GPSMAP 8424 allows you to share features with other compatible GPSMAP units such as radar, supplemental maps and user data, including waypoints, routes and tracks. You can also share images from Garmin VIRB® action cameras, GC™ 10 marine cameras and FLIR cameras. User data entered into 1 chartplotter can be automatically synced with other chartplotters in a network.
Heading, Position Refreshed 10 Times Per Second
Fast, responsive built-in 10 Hz GPS refreshes your position and heading 10 times each second to make your movement on the screen more fluid. Now, it's quick and easy to drop up to 5,000 accurate waypoints and find your way back to them.
Supported sailing features include laylines, enhanced wind rose, heading and course-over-ground lines, true wind data fields and tide/current/time slider. Racing features include pre-race guidance, synchronized race timer, virtual starting line, time to burn and layline data fields. Gauge displays are designed to provide important, need-to-know information at a glance, including true and apparent wind angle, set and drift, true or apparent wind speed, horizontal or vertical graphs and a data bar with customizable data fields.
Create Your Own HD Maps
Quickdraw Contours is a free, easy-to-use software feature that is already installed on your GPSMAP 8424. It instantly creates your very own personalized HD fishing maps with 1-foot contours. Tailor them to fit your needs. They are your maps. You own them. Keep the data to yourself or share it with Garmin or your friends. There's no special surveying expertise required. You just fish while it creates maps. You don't have to wait around or send your files away like other mapping software requires - your results appear instantly. Quick Contours automatically selects the most capable sonar device to provide the very best results for you!
Optional Charts and Maps
Bring a fresh new look and feel to your chartplotter with optional Garmin Navionics+™ or premium Garmin Navionics Vision+™ cartography featuring integrated coastal/inland content, access to daily updates, Auto Guidance+™ technology2 and more.
FUSION-Link Entertainment System
Enjoy the ability to control all compatible FUSION-Link-enabled audio systems directly from your compatible chartplotter display.
In The Box
- GPSMAP 8424
- Trim piece snap covers
- GPS 24xd NMEA 2000 (with pole mount, flush mount and under deck mount adapters)
- Protective cover
- Flush mount hardware
- Power cable
- NMEA 2000 2 m backbone/drop cable
- NMEA 2000 6 m backbone cable
- NMEA 2000 power cable
- NMEA 2000 T-connector & terminator kit
- Garmin Marine Network™ Ports: 4
- NMEA 2000® Port: 1
- NMEA 0183 Input Ports: 4
- NMEA 0183 Output Ports: 2
- USB Port: 1
- J1939 Port: 1
- Video Input Ports: 1-BNC Composite, 1-HDMI (HDCP Compliant)
- Video Output Ports: 1-HDMI
- Wireless Connectivity: Yes