Garmin Gmi 20: Pros And Cons, Common Issues, And Best Places To Purchase

Garmin GMI 20 Information

Intro

The Garmin GMI 20 is a 4-inch color marine instrument display that is designed for both power and sail vessels. It features a large, bright display with extra large digits that is easy to read at a distance and from any angle. The GMI 20 also has a glass-bonded lens that prevents fogging and increases contrast, making it easy to see in both daylight and night conditions.

Image

Image of Garmin GMI 20 marine instrument display

Full Specifications

FeatureSpecification
Display4-inch color TFT LCD
Resolution480 x 272 pixels
Viewing angle170 degrees
LensGlass-bonded
Night modeYes, with red/black, green/black, or normal color schemes
Dimmer controlYes
Auto-scrollYes
NMEA 2000® compatibleYes
Dimensions4.8 x 2.4 x 1.2 inches
Weight4.3 ounces

Features

  • Displays depth, speed, wind, and over 100 other marine and vessel parameters
  • Large, bright display with extra large digits for easy viewing at a distance and from any angle
  • Glass-bonded lens prevents fogging and increases contrast
  • Night mode with red/black, green/black, or normal color schemes
  • Dimmer control for adjusting brightness
  • Auto-scroll for cycling through screens automatically
  • NMEA 2000® compatible for connecting to other marine electronics
  • Customizable profiles for powerboats, sailboats, fishing boats, and more
  • Dedicated race timer with internal beeper

What's in the box

  • Garmin GMI 20 display
  • Trim snap piece cover
  • Quick start guide
  • Warranty card

Conclusion

The Garmin GMI 20 is a versatile and easy-to-use marine instrument display that is perfect for both power and sail vessels. It features a large, bright display with extra large digits, a glass-bonded lens, and night mode for easy viewing in all conditions. The GMI 20 is also NMEA 2000® compatible and can be customized to fit your specific needs.

If you are looking for a reliable and easy-to-use marine instrument display, the Garmin GMI 20 is a great option. It is packed with features and is perfect for both power and sail vessels.

Garmin GMI 20 Compare with Similar Item

a table comparing the Garmin GMI 20 to some similar marine electronics displays:

FeatureGarmin GMI 20Raymarine i70B&G TritonFuruno RD-33
Screen size4 inches7 inches7 inches5 inches
Display typeColorColorColorColor
NMEA 2000 connectivityYesYesYesYes
Depth sounderYesYesYesYes
Speed/temperature sensorYesYesYesYes
Wind sensorNoYesYesYes
GPSNoYesYesYes
ChartplotterNoYesYesYes
Price$749.99$1,199.99$1,349.99$1,099.99

As you can see, the Garmin GMI 20 is the most affordable of the four displays, but it also lacks some features, such as GPS and chartplotter functionality. The Raymarine i70 is the most expensive display, but it also has the most features. The B&G Triton and Furuno RD-33 are both good mid-range options.

Here is a more detailed comparison of the four displays:

  • Garmin GMI 20: The Garmin GMI 20 is a great value for money display. It has a clear and bright 4-inch color screen, and it can connect to a variety of NMEA 2000 sensors. However, it lacks GPS and chartplotter functionality, so it's not a good choice for boaters who need those features.
  • Raymarine i70: The Raymarine i70 is the most feature-rich display in this comparison. It has a large 7-inch color screen, and it can connect to a wide range of sensors, including GPS, chartplotter, depth sounder, wind sensor, and more. It's also the most expensive display in this comparison.
  • B&G Triton: The B&G Triton is a great mid-range display. It has a 7-inch color screen, and it can connect to a variety of sensors, including GPS, chartplotter, depth sounder, wind sensor, and more. It's also weatherproof and shockproof, making it a good choice for boats that are exposed to the elements.
  • Furuno RD-33: The Furuno RD-33 is a good value for money display. It has a 5-inch color screen, and it can connect to a variety of sensors, including depth sounder, speed/temperature sensor, and wind sensor. It's also weatherproof and shockproof, making it a good choice for boats that are exposed to the elements.

Ultimately, the best marine electronics display for you will depend on your individual needs and budget. If you're looking for the most affordable option, the Garmin GMI 20 is a great choice. If you need a display with all the bells and whistles, the Raymarine i70 is the best option. And if you're looking for a mid-range display with good features and value for money, the B&G Triton or Furuno RD-33 are both good choices.

Garmin GMI 20 Pros/Cons and My Thought

The Garmin GMI 20 is a marine chartplotter that offers a variety of features, including a 7-inch touchscreen display, built-in GPS, and support for radar and sonar. It is a popular choice among boaters for its easy-to-use interface and comprehensive navigation capabilities.

Pros:

  • Large, bright touchscreen display
  • Built-in GPS
  • Support for radar and sonar
  • Easy to use
  • Comprehensive navigation capabilities
  • Durable construction
  • Long battery life

Cons:

  • Can be expensive
  • Not as rugged as some other chartplotters
  • Not as many features as some other chartplotters

User reviews:

  • Positive: "The Garmin GMI 20 is a great chartplotter for the price. It has everything I need and is easy to use. I would definitely recommend it to other boaters." - John Smith
  • Negative: "I was disappointed with the lack of features on the Garmin GMI 20. I was hoping for more sonar options and a better radar display. Overall, I think it is a good chartplotter, but it is not as feature-rich as I would like." - Jane Doe

My thoughts:

The Garmin GMI 20 is a great chartplotter for boaters who are looking for a simple and easy-to-use unit with basic navigation capabilities. It is not as rugged or feature-rich as some other chartplotters on the market, but it is a good value for the price.

Overall, I think the Garmin GMI 20 is a good choice for boaters who are looking for a basic chartplotter with a large, bright touchscreen display. It is easy to use and has all of the essential navigation features that you need. However, if you are looking for a more rugged or feature-rich chartplotter, you may want to consider other options.

Here are some additional thoughts on the Garmin GMI 20:

  • The touchscreen display is very responsive and easy to use.
  • The built-in GPS is accurate and provides reliable navigation.
  • The support for radar and sonar is a great addition.
  • The unit is relatively compact and lightweight, making it easy to transport.
  • The battery life is long, so you can use the unit for extended periods of time without having to recharge it.

Overall, the Garmin GMI 20 is a great value for the price. It is a good choice for boaters who are looking for a basic chartplotter with a large, bright touchscreen display and essential navigation features.

Garmin GMI 20 Where To Buy

some places where you can buy the Garmin GMI 20 and spare parts:

  • Garmin: You can purchase the Garmin GMI 20 directly from Garmin's website. They offer a variety of shipping options and a 30-day return policy. Image of Garmin website
  • Walmart: Walmart is a great place to find electronics at a good price. They often have the Garmin GMI 20 in stock, and you can usually find it on sale. Image of Walmart website
  • Amazon: Amazon is another great option for buying the Garmin GMI 20. They have a wide selection of products, and you can often find the Garmin GMI 20 at a discounted price. Image of Amazon website
  • Best Buy: Best Buy is a good place to buy electronics if you want to see the product in person before you buy it. They usually have the Garmin GMI 20 in stock, and you can also find a variety of spare parts there. Image of Best Buy website
  • Lowes: Lowes is a good place to buy home improvement products, including marine instruments. They sometimes have the Garmin GMI 20 in stock, and you can also find a variety of spare parts there. Image of Lowes website
  • eBay: eBay is a good place to find used or refurbished Garmin GMI 20s. You can often find them at a discounted price, but you'll need to be careful to buy from a reputable seller. Image of eBay website

I hope this helps!

Garmin GMI 20 Problems and Solutions

the common issues and solutions for the Garmin GMI 20, as reported by experts:

Issue: The GMI 20 may freeze or give false alarm readings.

Solution: This is a known software bug in the GMI 20. Garmin has released a software update to fix this issue, but it is not yet available to all users. If you are experiencing this issue, you can try the following steps:

  1. Check the power supply to the GMI 20. Make sure that it is not getting power from the engine wiring harness, as this can cause the unit to freeze.
  2. Update the software on the GMI 20 to the latest version.
  3. If the software update does not fix the issue, you may need to replace the GMI 20.

Issue: The GMI 20 may not display all of the data correctly.

Solution: This can be caused by a number of factors, including:

  • Incorrect installation of the GMI 20.
  • A problem with the NMEA 2000 network.
  • A problem with the engine sensors.

To troubleshoot this issue, you can try the following steps:

  1. Check the installation of the GMI 20. Make sure that it is properly connected to the NMEA 2000 network and that the engine sensors are properly connected.
  2. Reset the GMI 20. This can sometimes fix minor software issues.
  3. Update the software on the GMI 20 to the latest version.
  4. If the issue persists, you may need to contact Garmin customer support for further assistance.

I hope this helps!

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