: Includes the gyrosphere (the core sensor), supporting liquid, distilled water, and a casing with an absolute digital pick-off system.
: The system typically operates on a 24V DC supply. anschutz gyro compass standard 20 service manual
The Standard 20 system is modular, typically consisting of a gyro compass unit, a control unit, and an operator unit. Unlike magnetic compasses, it uses an electrically powered, fast-spinning to find true north by utilizing the Earth's rotation and gravity. : Includes the gyrosphere (the core sensor), supporting
: Before operation, the casing must be filled with a specific mixture of Supporting Liquid (Type 148-162) and Distilled Water (Type 148-398) . Unlike magnetic compasses, it uses an electrically powered,
: After switching off, the gyro rotors require 15–30 minutes to come to a complete stop. The unit must never be opened or moved during this rundown period to avoid damaging the gyrosphere. 4. Troubleshooting and Error Codes
Proper installation is the most critical phase for long-term accuracy. The Service Manual provided by Scribd highlights several key steps:
: Typically requires replacement or overhaul every 3 to 5 years (MTBF >40,000 hours).