Garmin ECHOMAP UHD 73cv: The Ultimate Fish Finder for Anglers

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Garmin is a trusted name in the world of fish-finding technology. The brand has introduced various fish-finding devices over the years, but the Garmin ECHOMAP UHD 73cv stands out as one of the most advanced models.

This device has become popular among anglers due to its high-resolution display, advanced sonar capabilities, and built-in GPS technology. In this article, we will explore the features and benefits of the Garmin ECHOMAP UHD 73cv in detail.


Garmin ECHOMAP UHD 73cv is a fish finder and chartplotter device that has revolutionized the world of fishing and boating. The device comes with advanced sonar and mapping technology that allows anglers to find and track fish with great accuracy and precision.

Garmin ECHOMAP UHD 73cv

Features of Garmin ECHOMAP UHD 73cv

The Garmin ECHOMAP UHD 73cv comes with a range of features that make it stand out from other fish finders in the market. The device has a 7-inch display with high resolution and clarity, making it easy to view underwater images and maps. The sonar technology used in the device is also advanced, with ClearVü and CHIRP traditional sonar that can scan up to 800 feet deep in freshwater and 500 feet in saltwater.

Design and Build Quality

The Garmin ECHOMAP UHD 73cv has a sleek and sturdy design. The device features a 7-inch high-resolution touchscreen display that is sunlight-readable, making it easy to use even on bright days. The device has an IPX7 rating, meaning it is waterproof and can withstand splashes and rain.


The ECHOMAP UHD 73cv features a high-resolution display with a resolution of 800×480 pixels. The screen is also sunlight-readable, allowing for easy viewing in bright conditions. The device has an adjustable backlight, making it easy to use in low-light conditions.


One of the most impressive features of the ECHOMAP UHD 73cv is its sonar capabilities. The device features dual-frequency CHIRP sonar and ClearVü scanning sonar. The CHIRP sonar allows for more detailed and accurate fish detection, while the ClearVü scanning sonar provides a clear view of the underwater environment. The device also features SideVü scanning sonar, which allows for a detailed view of the area to the sides of the boat.


The ECHOMAP UHD 73cv features built-in GPS technology, which provides accurate positioning and navigation data. The device also supports GLONASS and Galileo satellite systems, which can provide even more accurate positioning data. The GPS technology can be used for various functions, including marking waypoints, creating routes, and tracking your speed.

User Interface

The ECHOMAP UHD 73cv features a user-friendly interface, making it easy to navigate and use. The device has customizable data fields, allowing users to choose which data is displayed on the screen. The device also features a split-screen view, which allows for viewing of multiple functions simultaneously.

Networking and Connectivity

The ECHOMAP UHD 73cv features networking and connectivity capabilities, which allow for sharing of data with other compatible devices. The device supports NMEA 2000 and NMEA 0183, which allow for connection to other marine devices. The device also features Wi-Fi connectivity, which allows for wireless updates and access to the ActiveCaptain app.

Charts and Maps

The ECHOMAP UHD 73cv comes preloaded with BlueChart g3 coastal charts and LakeVü g3 inland maps. The charts and maps provide detailed information on waterways, including depth contours, navigational aids, and points of interest. The device also supports the use of other mapping options, including Navionics and C-MAP.

Installation and Set-Up

The ECHOMAP UHD 73cv is easy to install and set up. The device comes with a mounting bracket and hardware, making it easy to attach to your boat. The device also comes with a power cable and trans ducer, which can be installed in the hull of the boat for accurate sonar readings. The device comes with a quick-start guide and detailed instructions for easy set-up.

Maintenance and Care

The ECHOMAP UHD 73cv requires minimal maintenance and care. The device should be kept clean and dry, and the touchscreen should be protected from scratches and impacts. The transducer should be periodically cleaned to remove any buildup or debris.

Battery Life

The ECHOMAP UHD 73cv has a built-in lithium-ion battery that provides up to 2.5 hours of continuous use. The device also comes with a power cable that can be connected to the boat’s power source for extended use.

Pros and Cons


  • High-resolution display with adjustable backlight
  • Advanced sonar capabilities with CHIRP and ClearVü scanning sonar
  • Built-in GPS technology with support for GLONASS and Galileo satellite systems
  • User-friendly interface with customizable data fields and split-screen view
  • Networking and connectivity capabilities with support for NMEA 2000, NMEA 0183, and Wi-Fi
  • Preloaded with BlueChart g3 coastal charts and LakeVü g3 inland maps
  • Easy to install and set up


  • Short battery life of up to 2.5 hours
  • May have a steep learning curve for beginners

Comparison with Other Fish Finders

Garmin ECHOMAP UHD 73cv is one of the best fish finders in the market, but how does it compare to other devices? Let’s take a look at two popular fish finders in the market – Garmin Striker 4cv Plus and Lowrance Hook2 5.

Compared to Garmin Striker 4cv Plus, Garmin ECHOMAP UHD 73cv has a larger display, higher resolution, and advanced sonar technology. It also has preloaded mapping and wireless connectivity, which Striker 4cv Plus lacks. However, Striker 4cv Plus is more affordable and has a simpler interface, making it ideal for beginners.

Compared to Lowrance Hook2, Garmin ECHOMAP UHD 73cv has better sonar and mapping technology, a larger display, and wireless connectivity. However, Hook2 5 is more affordable and has a simpler interface, making it ideal for beginners.

How to Use Garmin ECHOMAP UHD 73cv

Using Garmin ECHOMAP UHD 73cv is relatively easy, but it is important to follow the instructions carefully to ensure the device is installed and used correctly. First, the device needs to be mounted and installed on the boat. This can be done using the included mounting hardware and instructions.

Once the device is installed, it is important to turn it on and calibrate the sonar and GPS systems. This will ensure accurate readings and mapping information. To use the device for fishing, anglers can select the sonar mode and start scanning the water for fish. The device will display images of fish and their location on the screen, making it easy to track and catch them.


Can the ECHOMAP UHD 73cv be used in saltwater?

Yes, the device is designed for use in both freshwater and saltwater environments.

Can the device be used for ice fishing?

Yes, the device can be used for ice fishing with the appropriate transducer.

How often should the transducer be cleaned?

The transducer should be cleaned periodically to remove any buildup or debris that may affect sonar readings.

Is the device compatible with other Garmin marine devices?

Yes, the device supports networking and connectivity with other compatible Garmin marine devices.

Is the device waterproof?

Yes, the device has an IPX7 rating and is waterproof.


The Garmin ECHOMAP UHD 73cv is a highly advanced fish-finding device that offers a range of features and benefits. The device has a high-resolution display, advanced sonar capabilities, built-in GPS technology, and networking and connectivity capabilities. The device is easy to install and set up, and requires minimal maintenance and care. While the price of the device may be higher than other fish-finding devices, the advanced features and capabilities make it a worthwhile investment for serious anglers.

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