The Garmin GNA10 Jog Lever Adapter is a rugged interface that lets you connect a dedicated jog lever to Garmin Reactor 40 autopilots on displacement-hull work boats. Designed for reliable steering control in demanding conditions, it provides precise, tactile heading adjustments with effortless lever action.
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Designed for displacement-hull boats: Intended for displacement-hull power boats only (not suitable for planing hulls or sailboats). Requires a compatible Garmin autopilot and Garmin display.
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Supported jog lever: Kobelt 7170 jog levers are supported, enabling direct heading nudges with tactile feedback.
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Jog lever control and Power Steering mode: Use a jog lever to nudge heading left or right; Power Steering mode lets you move the rudder manually without autopilot guidance when needed.
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Interface with Reactor 40 autopilots: Interfaces Reactor 40 autopilots with Jastram digital steering controls for flexible vessel control.
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NMEA 2000 connectivity: NMEA 2000 output; LEN 5 (250 mA @ 9VDC); powered by the NMEA 2000 bus.
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Cable length: 2.8 meters for flexible helm installation.
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Water rating: IPX7 waterproof rating suitable for harsh marine environments.
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Operating temperature: -20°C to 75°C operating range.
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Supply voltage: Powered by the NMEA 2000 bus, 9–32V.
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Button and LED options: Optionally connect a button and LED light to switch between heading hold and standby modes (note: Garmin does not supply the jog lever, button, or LED light).
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LED and button compatibility: LED lights with current draw of 20 mA or less; DPST OFF-MOM buttons (no diode needed for installation).
With the Garmin GNA10, displacement-hull vessels gain precise, tactile helm control that blends manual jog steering with automated heading hold. Its rugged build, marine-grade ratings, and flexible installation support give captains reliable steering options when navigating demanding conditions, all while seamlessly integrating with Garmin Reactor 40 autopilots and Kobelt jog lever configurations. The 2.8-meter cable and NMEA 2000 bus power simplify wiring at the helm, and optional button/LED integration allows quick mode switching without compromising control.
| Cable length |
2.8 meters |
| Water rating |
IPX7 |
| NMEA output |
NMEA 2000 |
| NMEA 2000® LEN (Load Equivalency Number) |
5 (250mA @ 9VDC) |
| Operating temperature |
-20C to 75C |
| Supply voltage |
Powered by NMEA 2000 bus, 9-32V |
| Supported Jog Levers |
Kobelt 7170 |
| Supported Button Types |
DPST OFF-MOM (no diode needed for installation) or |
| Supported LED Types |
LED lights with current draw of 20mA or less |