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The AMI MD69BR Trunnion Mount Bearing Compass Repeater is a dual-scale NMEA 0183-based bearing compass repeater designed to accurately display a vessel’s heading while enabling celestial and terrestrial bearing observations. Featuring a 36:1 precision dual-scale compass card, the repeater is gimballed and balanced for optimum bearing accuracy when used with an optional azimuth sight or bearing circle. Its rugged weatherproof construction makes it suitable for bridge wings, exposed decks, and other external mounting locations on commercial, naval, and offshore vessels.
| Parameter | Specification |
|---|---|
| Manufacturer | AMI Marine Ltd. |
| Model | MD69BR |
| Equipment Type | Trunnion Mount Bearing Compass Repeater |
| Display Type | Dual-Scale Precision Compass Card |
| Compass Card Ratio | 36:1 Precision Concentric Dial |
| Heading Input | NMEA 0183 (RS-422) Digital Heading |
| Communication Standard | IEC 61162-1 / NMEA 0183 |
| Heading Sources | Gyro Compass or Transmitting Magnetic Compass (TMC) |
| Heading Indication | Automatic True / Magnetic Source Indication |
| Power Supply | 12 / 24 VDC Nominal |
| Power Consumption | Low Power Electronic Circuit |
| Display Illumination | Internal LED |
| Brightness Control | Local Rotary Dimmer & Remote Dimming Input |
| Mounting | Gimbal & Trunnion Mount (Surface Mount) |
| Environmental Protection | IPX6 Weatherproof |
| Construction | Marinised Weatherproof Housing |
| Finish | RAL7040 Window Grey |
| Operating Temperature | -25°C to +55°C |
| Storage Temperature | -25°C to +70°C |
| Compass Safe Distance | 20 cm |
| Shock Resistance | STANAG 4549 |
| Vibration Standard | MIL-STD-167-1A |
| EMC Standard | MIL-STD-461F |
| Noise Level | ≤53 dB (MIL-STD-1474D) |
| Type Approval | DNV GL Type Approved |
| Compliance | IEC 60945, IEC 61162-1, IEC 62288, BS ISO 8728, BS ISO 16328, IMO Resolutions, RoHS |
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