Marine Data MD77HR Dial Compass Heading Repeater Display
The MD77HR is a NMEA-based Compact Heading Repeater. Digital heading data (ship’s heading) may be conveniently displayed and monitored at any location on a vessel.Features
- Traditional Marine Compass Card Display
- Main and Emergency power supplies; with monitoring of both
- Automatic Baud Rate Detection
- Automatic indication of loss of valid heading data
- Automatic detection of a previously lost heading data type without requiring a reset
- Prioritisation of heading type
- Local and Remote Dimming Control
- Rugged, Marinised Aluminium Construction

Applications
- The MD77HR displays True or Magnetic Heading Data transmitted from marine equipment compatible with NMEA 0183 (IEC 61162-1) (Gyro compass, TMC, EMC, GPS Compass etc.)