Chapter 3: Compass Instrument 3-3-3
ST290 Instrument System Owner’s Handbook
Figure 3-2: Basic operation
Figure 3-3: Selecting operating screen
D5555-1
Press to increment locked
mode heading in 1º steps
Press to decrement locked
mode heading in 1º steps
Hold down for
rapid change
Press to toggle between locked &
unlocked modes
In unlocked mode, press to access COG
& average heading information
Note: Modes annotated *
rely on data sources
outside of the system
for 3 seconds to
reset average
Switch on
Average
heading*
Course Over
Ground (COG)*
Normal
display
D5549-1
Hold down
81183_2 S3.book Page 3 Tuesday, May 6, 2003 8:41 AM