Raymarine ST4000 Plus, Owner'S Handbook Manual

Page: 40 / 119

Chapter 3: Advanced Operation
27
Changing the rudder gain
Press the
+1
and
-1
keys together for 1 second to display the Rudder
Gain screen, and adjust the setting in the same way as for the response
level. Refer to
Chapter 7, Post Installation Procedures , for instructions
on how to check that the rudder gain is set correctly.
3.4 Alarms
This section summarises the alarms (in order of priority) that are
reported by the ST4000 Plus. Press
standby
to clear an alarm and
return to hand steering, unless otherwise stated.
SeaTalk failure
STLK FAIL
This silent alarm indicates that there is a wiring fault in the SeaTalk
connection.
Off course
OFFCOURSE
This alarm is activated when the vessel has been off course from the
locked heading by more than the specified angle for more than 20
seconds (see section
2.3, Using Auto mode ).
The alarm is cleared if the heading recovers or the course is changed, or
if the operating mode is changed.
Wind shift
WINDSHIFT
This alarm is activated when a change in the apparent wind angle of
more than 15∞ is detected (see section
3.2, Operation in Vane mode
).
Large cross track error
LARGE XTE
This alarm is activated when the cross track error exceeds 0.3†nm (see
section
3.1, Operation in Track mode ).
The autopilot stops adjusting the locked heading as soon as this
condition occurs.
The alarm is cleared if the heading recovers or the course is changed, or
if the operating mode is changed.