Garmin Gmi 20 Marine Instrument Display
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Garmin Gmi 20 Marine Instrument Display
GMI™ 20 Marine Instrument Display
Perfectly Designed for Power & Sail Vessels
The GMI 20 digital marine instrument display is perfectly designed for both power and sail vessels. Designed to clearly show depth, speed, wind and 100+ marine and vessel parameters, its large, bright 4" color display with extra large digits is easy to read at a distance and 170 degree viewing angle.
A glass-bonded finish lens prevents fogging and increases contrast. Daylight readability is enhanced with a high contrast color scheme. For enhanced night visibility, you have a choice of red/black, green/black or the normal night mode color scheme along with a dimmer control. Screens can be set to auto-scroll, cycling between pages automatically without your having to do a thing. This is especially advantageous to sailors as it allows you to install the unit(s) in a greater variety of locations on the vessel. Default profiles can be customized for powerboat, sailboat, fishing, engine/fuel, plus several other user-specified profiles. Power is supplied by the NMEA 2000® network.
In addition, the GMI 20 also features a dedicated race timer that counts down and counts up, with an internal beeper. Included are 2 trim snap piece cover options which allow you to match the GMI 20 with the GPSMAP® 500/700 series, GPSMAP 8000 Glass Helm series or legacy Garmin chartplotters.
Features:
- Marine instrument display clearly shows depth, speed, wind and 100+ marine and vessel parameters
- Large, bright 4" color glass-bonded lens display with anti-glare finish
- Easy to read from a distance and 170 degree viewing angle
- Enhanced night time readability with backlight dimmer and full color or red/black or green/black color schemes
- Enhanced daylight readability with new high contrast color option
Specifications:
- Dimensions without sun cover (HxWxD): 110 x 115 x 30 mm (4.33" x 4.53" x 1.18")
- Dimensions with sun cover (HxWxD): 115 x 120 x 35.5 mm (4.53" x 4.72" x 1.40")
- Weight without sun cover: 247 g (8.71 oz)
- Weight with sun cover: 283 g (9.98 oz)
- Temperature range: From 5x to 158x F (from -15x to 70x C)
- Compass-safe distance: 209 mm (8.25")
- Case material: Polycarbonate, waterproof to IPX7
- Power usage: 2.5 W max
- Unit max. voltage: 32 Vdc
- NMEA 2000r input voltage: 9-16 Vdc
- NMEA 2000 load equivalency number (LEN): 6 (300 mA at 9 Vdc)
In The box
- GMI™ 20*
- Black trim piece snap cover
- Protective cover
- Flush mount gasket and hardware
- NMEA 2000® T-connector
- NMEA 2000 drop cable
- Documentation
Manufacturer Part Number: 010-01140-00
| Special Shipping Message | Free Ground Shipping* |
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| Manufacturer Part Number: | 010-01140-00 |
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Return Policy
Hodges Marine accepts returns for up to thirty (30) days after shipment. Our return policy does not apply to the following goods: Open software, mapping/chart data cards, programmed AIS units, opened/registered KVH Starlink products, trolling motors, international orders, freight truck only items, and special order items. These items are not eligible for return, refund or exchange. Shipping charges (if any) are non-refundable. If your return is accepted by Us, We will provide one of the following within a reasonable time: an exchange of merchandise for the item returned, a non-transferable merchandise credit, a credit to the payment card or original method of payment used to pay for the item, a check, or another remedy that we determine in good faith is appropriate in the circumstances. Customer must request a return merchandise authorization (RMA) through the product returns link on our website or by emailing us at [email protected]. A RMA number will be issued with instructions for returning the package within a reasonable time (normally 1-3 business days).
Defective Products:
A prepaid return shipping label will be provided for defective items if deemed necessary by the manufacturer. The customer must first contact the manufacturer for technical support to confirm product is defective and that product replacement is deemed necessary. Please provide the name of the technician, serial number, and details about the defect. Return instructions and a label will be provided.
Non-Defective Returns:
Eligible non-defective products may be returned for a full refund minus shipping paid (if any). To be eligible for a non-defective return, your merchandise must be unused/unopened and must be in the original packaging. Non-defective returns that show signs of installation/use, missing parts/packaging, missing proof of purchase/UPC code, or have serial numbers that do not match our records will not be accepted. Customer is responsible for return shipping costs of non-defective returns. You should consider using a trackable shipping service or purchasing shipping insurance for items of value. Hodges Marine is not liable for lost or damaged return packages.
General - Cancellations, Shipping Damage, Missing Packages, Shipment Refusals:
Orders that you submit online are processed immediately and may not be cancelled, and you may need to wait until you receive the merchandise in order to return it. Claims of shipment damage, incorrect/missing items, or non-receipt of goods must be made within seven (7) days. Customer is responsible for all costs associated with refused shipments or return to sender (RTS) shipments including carrier fees, freight to the customer, and return freight. We reserve the right to refuse returns that are sent COD, without a return authorization, show signs of undisclosed installation/use, has missing parts/packaging, missing proof of purchase/UPC code, or have serial numbers that do not match our records. If you do not comply with any of the above conditions, We reserve the right to refuse the return/exchange, or to impose different or additional conditions. Please see our TERMS AND CONDITIONS for additional applicable information.
Last Updated: JUNE 09 2026
Please email us at [email protected] or use the product returns link.
