4 ST60+ Compass Instrument Owner’s Handbook
The average course error is reset to zero whenever the locked heading is changed.
General operation
Locked
heading
Average course error
Unlocked mode
TRUE
MAG
TRUE MAG
TRUE MAG
LOCK
LOCK
5 second
timeout
lock
lock
Locked mode
5 second
timeout
TRUE MAG
To enter locked mode, press
while display is flashing
(i.e. within 5 seconds)
To retrieve previous
locked heading, press
D8198-1
Switch on
To leave locked mode, press
Current heading
Either
Current heading
or
Locked heading
(selected in User calibration)
To change locked heading
-+
lock
81265_1.book Page 4 Monday, December 5, 2005 9:23 AM