The Simrad AP44 Operator Manual provides installation, configuration, operation, and maintenance instructions for the AP44 autopilot display and control unit.
The AP44 is a network‑connected autopilot display and control unit compatible with a range of Navico autopilot computers. The manual assumes the device is already installed and correctly configured, and that the user has basic navigation knowledge.
It covers front‑panel controls, menu navigation, various autopilot modes, safety guidelines, preventive maintenance, technical specifications, and supported NMEA 2000 data. The document also includes software‑setting procedures, calibration steps, and troubleshooting information. This manual is written in Chinese.
| Weight | 0.32 kg (0.7 lb) |
|---|---|
| Power consumption (backlight off) | 1.35 W (100 mA @13.5 V) |
| Power consumption (backlight max) | 2.16 W (160 mA @13.5 V) |
| Display size | 4.1 inches diagonal (4:3 aspect) |
| Resolution | 320 × 240 pixels |
| Backlight type | White LED |
| Waterproof rating | IPx7 |
| Operating temperature | -25 °C to +65 °C |
| Storage temperature | -40 °C to +85 °C |
The unit has no power button; it runs continuously as long as the NMEA 2000 network backbone is powered.
Preventive maintenance includes cleaning the display, checking connectors, and performing software updates.