Description
Garmin GMI 20 Marine Instrument Display | Boat Supply Store
For navigators demanding precise vessel and environmental data, the Garmin GMI 20 provides a crystal-clear 4" color display powered by the NMEA 2000® network. Its glass-bonded lens ensures exceptional readability with extra-large digits and a 170-degree viewing angle, even in direct Texas sunlight or low-light conditions. Configure customizable profiles for powerboats, sailboats, or fishing, and utilize the dedicated race timer for competitive sailing events.
Key Features
- Superior Readability with 4" glass-bonded color display and extra-large digits.
- Exceptional Visibility across a 170-degree viewing angle in all lighting.
- Enhanced Night Performance with multiple night vision color schemes and dimmer control.
- Adaptable to Your Needs through customizable profiles for powerboat, sailboat, and fishing.
- Dedicated Race Timer for precise countdown and count-up timing during regattas.
- Comprehensive Data Integration via NMEA 2000® network connectivity.
- Robust Waterproof Construction meeting IPX7 standards for marine environments.
- Simplified Operation with auto-scroll function for cycling through data pages.
Specifications
| Product Specifications | |
|---|---|
| Display Size | 4 inch color |
| Display Type | Glass-bonded lens |
| Viewing Angle | 170-degree |
| Digits | Extra-large |
| Daylight Mode | High-contrast |
| Night Vision Modes | Red/black, Green/black, Normal night mode |
| Backlight Dimmer | Yes |
| Auto-scroll | Yes |
| Customizable Profiles | Powerboat, Sailboat, Fishing, Engine/Fuel, User-specified |
| Race Timer | Countdown and count up |
| Network Connectivity | NMEA 2000® |
| Waterproof Rating | IPX7 |
| Dimensions | 110 x 115 x 30 mm (without sun cover) |
Who This Is For
Sailors and powerboat owners who require a clear, versatile, and highly readable marine instrument display. This unit is ideal for those seeking to monitor a wide range of vessel and environmental parameters with enhanced night visibility options and customizable data profiles.
How It Compares
| Feature | Garmin GMI 20 Marine Instrument Display | Competitor |
|---|---|---|
| Display Size | 4 inch | 3.5 inch, 4.1 inch |
| Display Type | Color LCD with glass-bonded lens | Monochrome LCD, Color LCD |
| Number of Parameters Displayed | 100+ | Limited (Depth, Speed, Trip, Water Temp), Extensive |
| Night Vision Modes | Red/Black, Green/Black, Normal Night Mode | Standard Night Mode, Standard Night Mode |
| Race Timer | Yes (Countdown and Count Up) | No, Yes |
| Connectivity | NMEA 2000® | SeaTalkng, NMEA 2000 |
Common Concerns Answered
Is the NMEA 2000® network configuration difficult?
While some users find the initial NMEA 2000® setup complex, basic familiarity with marine electrical systems simplifies the process. Proper network configuration is key for optimal performance, and resources are available to guide you through.
Does the Garmin GMI 20 suffer from screen glare?
The GMI 20 features a glass-bonded lens designed to combat anti-fogging and increase contrast. While occasional reports of glare in direct, harsh sunlight exist, its high-contrast daylight mode significantly mitigates this issue.
Is the Garmin GMI 20 cost-effective for basic needs?
The GMI 20 offers advanced NMEA 2000® connectivity and extensive data display capabilities. While potentially perceived as a higher initial investment than single-function displays, its versatility and integration potential provide long-term value for comprehensive boat monitoring.
Frequently Asked Questions
What marine parameters can the Garmin GMI 20 display?
The Garmin GMI 20 can display over 100 marine parameters including depth, speed, wind, engine data, fuel levels, GPS information, and more, provided they are transmitted via the NMEA 2000® network.
Is the Garmin GMI 20 suitable for both power and sail boats?
Yes, the GMI 20 is designed for versatility and offers customizable default profiles for powerboats, sailboats, and fishing applications, making it suitable for a wide range of boating types.
How is the readability of the Garmin GMI 20 in different lighting conditions?
The GMI 20 features a 4" color display with extra-large digits, a 170-degree viewing angle, a high-contrast daylight mode, and multiple night vision color schemes (red/black, green/black, normal) with dimmer control for excellent readability in all lighting scenarios.
What are the power requirements for the Garmin GMI 20?
The Garmin GMI 20 is powered directly through the NMEA 2000® network, eliminating the need for a separate power cable connection to the vessel's DC system.
What is included in the box with the Garmin GMI 20?
The Garmin GMI 20 includes the instrument display unit, a black trim piece snap cover, an alternative trim snap piece cover, and the necessary mounting hardware for installation.
