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Simrad AP48 Autopilot Control Head w/Rotary Knob
The Simrad AP48 Autopilot Control Head delivers intuitive rotary dial management for US marine vessels, featuring a dedicated knob for precise 1-degree or 10-degree course adjustments.
- Display: 4.1-Inch Color LCD
- Network: NMEA 2000 Certified
- Technology: Glass Helm Styling
- Voltage: 12V DC Supply
- Rating: IPX7 Waterproof Rating
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Description
Rotary Dial and Industrial Interface Analysis
Touchscreen-only navigation interfaces frequently cause operational errors during high-speed transit or heavy sea states. The Simrad AP48 Autopilot Control Head features a large rotary knob for precise tactile steering. The 4.1-inch glass display provides a 170-degree viewing angle.
The unit integrates via the NMEA 2000 protocol for synchronized data exchange with NAC-2 and NAC-3 processors. Dedicated buttons for “Dodge” and “Standby” allow for immediate manual course intervention. Optically bonded glass construction ensures protection to IPX7 waterproof standards in open cockpit environments.
Strategic Vessel Application
Essential for commercial vessels or luxury yachts requiring a dedicated professional-grade autopilot control station.
Technical Key Features
- Rotary dial enables precise 1 degree adjustments
- 4.1 inch display utilizes 170 degree viewing
- NMEA 2000 certified for universal system integration
- IPX7 rated glass prevents internal moisture fogging
- Dedicated dodge buttons facilitate rapid manual maneuvers
- Optically bonded display ensures direct sunlight readability
- Low profile design facilitates flush mount installation
SIMRAD AP48 Autopilot Control Head w/Rotary Knob Specifications
| Drive Type | Full System Interface Controller |
| Pump/Ram Capacity | NAC-2 / NAC-3 System Dependent |
| Flow Rate / Speed | Precision Rotary Navigation |
| Max Pressure | Digital System Control |
| Cylinder Compatibility | Universal Simrad Drive Support |
| Operating Voltage | 12V via NMEA 2000 Network |
| Peak Current Draw | Low-Draw LED Backlit |
| Average Power Draw | 1.4 Watts Typical |
| Motor Type | High-Tactile Rotary Interface |
| Computer Compatibility | NAC-2, NAC-3, AC12, AC42 |
| Port Size / Thread | NMEA 2000 Micro-C Link |
| Drive Connection | Plug-and-Play Backbone |
| Rotation/Stroke Direction | 360-Degree Continuous Dial |
| Mounting Type | Front / Rear Flush Mount |
| Housing Material | UV-Stabilized Marine Polymer |
| Waterproof Rating | IPX7 Fully Waterproof |
| Operating Temperature | -15°C to +55°C Performance |
| Length (Overall) | 177 mm Wide Profile |
| Width/Diameter | 115 mm Standard Height |
| Weight | 0.5 kg (1.1 lbs) Chassis |
| Included Accessories | Bezel, Suncover, N2K T-Connector |
| Key Mechanical Feature | Aluminum Rotary Dial for Precision |
Simrad AP48 Autopilot Controller Technical Guide
The AP48 features a large, tactile rotary dial that allows for ultra-precise course adjustments in 1-degree or 10-degree increments. This is significantly easier to use than touchscreens or buttons when wearing gloves or when the vessel is pitching in heavy seas. The dial also provides intuitive menu navigation during the initial setup.
The AP48 features a larger 4.1-inch color display with a 170-degree viewing angle, similar to the AP44, but with a more robust physical interface optimized for commercial and long-distance cruising vessels. The screen is optically bonded to prevent internal condensation and features high-contrast modes for maximum visibility in direct sunlight.
Yes, the AP48 provides access to all Simrad specialized turn patterns, including U-turns, Spiral turns, and Williamson turns for man-overboard recovery. It also supports "No Drift" steering, which uses GPS data to maintain a straight track against strong crosswinds or currents. These patterns are easily activated via the dedicated "Mode" button.
The AP48 is fully compatible with Simrad's NAC-2, NAC-3, and NAC-D (Steer-by-Wire) autopilot computers via the NMEA 2000 network. It acts as the primary control interface for commissioning the system and performing the sea trial. Multiple AP48 units can be installed on the same network for multi-station control.
The AP48 is designed for low-profile flush mounting, giving it a sleek "Glass Bridge" appearance that matches Simrad NSS evo3S and NSO multifunction displays. It comes with a protective sun cover and the necessary gaskets to ensure a watertight IPX7 seal on your dashboard.
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