1. Represents a gyro, gyroscope, or gyrocompass.

2. The mode uses a PME and gyrocompass to control vessel position and heading, and an acoustic system to position the ROV relative to the vessel.

3. Another device , such as a radio compass gyrocompass, used for determining geographic direction.

4. The research and development of strap down gyrocompass system based on FOG is of important meaning.

5. The card a gyrocompass should indicate the heading of the vehicle in which it is installed.

6. A gyrocompass is required to indicate the heading of a land, sea, or air vehicle.

7. The system receives the vessel's heading from the gyrocompass and the vessel's position from a PME.

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8. A gyrocompass or astrocompass can be used to find true north, while being unaffected by stray magnetic fields, nearby electrical power circuits or nearby masses of ferrous metals.

9. Drag onto the page to add a gyro, gyroscope, or gyrocompass.

10. Having the short time inertial navigation function is the main development trend of modern stabilized gyrocompass.

11. The drift of DTG is the main error source of platform gyrocompass comprising it.

12. In this mode, the vessel position is controlled a PME and the heading controlled a gyrocompass.