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ST40 Compass Instrument - quick reference guide Normal operation SWITCH ON Locked heading Compass heading Course computer sets auto lock Auto locked Course computer heading sets auto lock Alarm on/off 3 seconds Times out to the Off course Compass heading...
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ST40 Compass Instrument - quick reference guide Calibration USER INTERMEDIATE CALIBRATION CALIBRATION Hold down Hold down for 4 seconds for 2 seconds If there is no key activity with either the User cal or Software version User Software screen displayed, calibration will time...