Raymarine ST4000+ Owner's Handbook Manual page 94

81131_7.book Page 86 Wednesday, March 17, 2004 3:59 PM
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3. To make a temporary adjustment to the rudder gain:
•
•
•
4. Repeat the test until you achieve a crisp course change with no
more 5° of overshoot.
Note: Set the rudder gain to the lowest value that gives accurate
course keeping. By minimizing helm movements this will reduce
power consumption and wear.
5. When you have determined the correct setting, change the
permanent rudder gain setting in Dealer setup (see page 94).
ST4000+ Wheel & Tiller Autopilots: Owner's Handbook
there will be no overshoot (B)
Correct this understeer by increasing the rudder gain setting.
Rudder gain
too low
Rudder gain
too high
press the -1 and +1 keys together for 1 second to display the
rudder gain (RUDD GAIN) screen
then press -1 or +1 to change the level
press disp or wait for 5 seconds to return to the previous
display and save the temporary changes
New
heading
B
New
heading
A
heading
Correct
rudder gain
New
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