Products

GARMIN GNX 21



The nautical instrument features a 4-inch inverted LCD screen.

• Large white or color numerals are easily readable on a black background, providing high visibility in low light or dark conditions; seven customizable backlight colors are available.¹

• The laminated glass display has an anti-glare lens to prevent fogging.

• Fully customizable user profiles for sailboats and motorboats display the most important nautical and vessel data.

• Low power consumption (25 mAh) with 350 MW (no backlight) / 400 MW (medium backlight) power.

• Five display settings plus instrument and chart modes display depth, speed, wind speed, and over 50 nautical and vessel parameters.

The easy-to-read GNX 21 marine instrument features an inverted display with white or color numerals on a black background, clearly showing depth, speed, wind speed, and over 50 marine and vessel parameters. Its glass-bonded display features an anti-glare lens for excellent day and night readability, and the high-contrast digital display can be magnified up to 36 mm.

The GNX 21 is the first glass-bonded marine instrument to combine a direct-drive LCD section with dot-matrix fields for displaying graphic information. Its low power consumption—(25 mA) plus 350 mW (no backlight) / 400 mW (medium backlight)—makes it perfect for sailboats and an essential instrument for cruising and fishing. Fully customizable user profiles display wind speed, depth, and speed data. The GNX 21 also includes an automatic scroll function for hands-free operation. It can be mounted via the included low-profile recessed mount or a flat mount for ultimate glass wheel solutions, allowing for customization of your vessel's appearance.

The color backlight is invisible during the day.