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4. HOW TO CUSTOMIZE YOUR NAVPILOT
4-5
4.1.2 Trim gain
The NAVpilot continually monitors the boat's trim in order to keep the trim sensitivity
optimum. A lower setting is common because boat's trim usually does not change
quickly. A large number changes the trim compensation value more frequently. Too
high of a setting may result in the following problems.
Note: Trim gain is not available with Fantum Feedback
TM
.
• Trim sensitivity is over-affected, resulting that a trim appears in both port and star-
board directions alternately.
• Trim compensation mechanism responds to the yawing, resulting in more serious
oscillation of ship's heading.
To automatically set the trim, do as follows:
1. Rotate the Course control knob to select [TRIM GAIN] from the [PARAMETER
SETUP] menu.
2. Push the Course control knob to show the options for [TRIM
GAIN].
3. Rotate the Course control knob to select [AUTO] or [MANUAL]
then push the knob. For [AUTO] go to step 6.
4. Rotate the Course control knob to select the current value and push the knob.
5. Rotate the Course control knob to set a value (1 to 20. The default value is au-
tomatically calculated according to length of your boat, entered on the [SHIP’S
CHARACTERISTICS] menu at installation.
6. Push the Course control knob to finish.
Intended
course
Large course error
The counter rudder feature functions to smoothly
return ship's heading toward intended course.
Counter rudder:
small setting
Counter rudder:
proper setting
Speed
Load Condition
COUNTER RUDDER
Slow
Light
Low
Fast
Heavy
High
MANUAL
AUTO