3-3-1
ST290 Instrument System Owner’s Handbook
Chapter 3: Compass Instrument
3.1 Getting started
The ST290 Compass instrument comprises an analogue dial and integral
digital display, which provide:
• Compass heading indication.
• Steering indication
• Course over ground (COG) information, if GPS or similar position-
ing data is available on the system.
Figure 3-1: Compass instrument
3.2 Operation
IMPORTANT
Do not use your Compass instrument until the appropriate setup
procedures in Section 7, Chapter 4, have been satisfactorily
completed.
Operating modes
The ST290 Compass instrument operates in either Unlocked, Locked or
Auto mode. A summary of these modes and the respective instrument
indications is given in Table 3-1 .
D5864-1
81183_2 S3.book Page 1 Tuesday, May 6, 2003 8:41 AM
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