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The AMI MD69BR/BO Ship’s Bearing Repeater is a dual-scale NMEA-based bearing compass repeater designed for displaying a vessel’s heading while enabling accurate celestial and terrestrial bearing measurements. The MD69BR/BO is supplied as a bowl-only unit, making it ideal for retrofit, replacement, flush-panel, or custom mounting applications. It features a 36:1 precision dual-scale compass card, weatherproof construction, automatic heading source detection, and compatibility with optional azimuth sights, bearing circles, and telescopic alidades for precision navigation.
| Parameter | Specification |
|---|---|
| Manufacturer | AMI Marine Ltd. |
| Model | MD69BR/BO |
| Equipment Type | Ship’s Bearing Repeater (Bowl Only) |
| Display Type | Dual-Scale Precision Compass Card |
| Compass Card Ratio | 36:1 Precision Concentric Dial |
| Heading Input | NMEA 0183 Digital Heading |
| Communication Standard | IEC 61162-1 / NMEA 0183 (RS-422) |
| Heading Source | Gyro Compass or Transmitting Magnetic Compass (TMC) |
| Heading Indication | True or Magnetic (Automatic Source Indication) |
| Input Voltage | 12 / 24 VDC Nominal |
| Power Consumption | Low Power Electronic Drive |
| Display Illumination | Internal LED |
| Brightness Control | Local and Remote Dimming |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -25°C to +70°C |
| Compass Safe Distance | 20 cm |
| Environmental Protection | Fully Sealed to IEC 60945 Exposed Area Classification |
| Construction | Marinised Weatherproof Housing |
| Finish | RAL7040 Window Grey |
| Mounting | Flush Panel or Standard MD69 Gimbal Ring System |
| Protection Rating | IP67 Weatherproof Bowl |
| Compliance | IEC 60945, IEC 61162-1, IEC 62288, BS ISO 8728, BS ISO 16328 |
| Type Approval | IMO Compliant, RoHS Compliant |
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