Raymarine ST4000 Plus, Owner'S Handbook Manual

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94 ST4000 Plus Wheel & Tiller Autopilots Owner’s Handbook
These actions are most easily recognised in calm sea conditions
where wave action does not mask basic steering performance.
2. To make a temporary adjustment to the rudder gain, press the
-1
and
+1
keys together for 1 second to display the Rudder Gain
screen, then press
+1
or
-1
to change the level. Wait for 5 seconds,
or press
disp
, to return to the previous display.
3. Repeat the test until a crisp course change with no more 5∞ of
overshoot is achieved.
The rudder control setting should be set to the lowest setting
consistent with accurate course keeping. This will minimise helm
movements and hence reduce power consumption and wear and
tear.
4. Once you have determined the correct setting, change the default
Rudder Gain setting in Dealer Setup , as described in Chapter 5,
Customising the ST4000 Plus