Raymarine Compass Instrument ST40 - Manual (Page 13)

4 ST40 Compass Instrument Owner’s Handbook
1.3 Screen descriptions
Compass heading screen
COMPASS
Cardinal points
(North flashing)
Either M (magnetic)
or T (true)
Current
heading
ST40
Press to set the current compass
bearing as the locked heading
D4774-2
Locked heading screen
D4775-2
Locked heading
Either magnetic (M)
or true (T)
Current heading
Press to return to the Compass heading screen
Adjust locked heading as required using or (not in Auto lock)
STEER
Course divergence
from locked heading
Direction to steer to return to locked heading.
Flashing segment at 12 o'clock when vessel on course
COMPASS ST40
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