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When the rudder test is finished, a beep sounds and the message "RUDDER TEST
COMPLETED." appears.
The results are shown on the menu.
DRIVE TYPE: REVERSIBLE or SOLENOID
BYPASS/CLUTCH: EXIST or NON
RUDDER DB: Shows the rudder dead band.
RUDDER SPEED: Rudder speed
RUDDER DUTY: PWM (Pulse Width Modulation) duty cycle for control of pump output
-For solenoid systems, this value will always be 100%.
-For reversing motor system, this value should be in a range from 50% to 90% for optimum
performance.
-If the value is lower than 50%, the pump capacity is oversized for the steering cylinder
volume. While the system may work well, there is a chance that the pump will fail to start
(stalled pump) when there is a heavy load on the rudder system in heavy seas or large turns
because the average voltage applied to the pump is too low.
-If the value is higher than 90%, the pump capacity is undersized for the steering cylinder
volume. While the system may also work well, the Navpilot control unit may not be able to
increase the average voltage to the pump adequately to improve the Navpilot performance
in heavy or following seas.
7. Press any key to close the RUDDER TEST menu.
After the rudder test, the indication "?" next to "RUDDER TEST" on the DOCKSIDE SETUP
menu changes to "DONE".
3.2.12 Setting course changing speed
Set the course changing speed (the speed in degree per second) when turning the boat in
the AUTO or NAV mode.
1. Rotate the course control knob to select "RATE OF TURN" on the DOCKSIDE SETUP
menu.
2. Press the course control knob and the current value is circumscribed with a double
rectangle.
3. Rotate the course control knob to set the degree which you wish turn the ship in a
second. (Setting range: 1 to 9°)
Set the speed according to the information below and check with the customer during the
sea trial to determine if the course changing speed is comfortable.
(Small boats: 7-9º, Large boat: 5-7º, Very large boat: 4-6º)
4. Press the course control knob to finish.
RUDDER SETUP AND AUTO TEST
DRIVE TYPE:
_
BYPASS/CLUTCH:
_
RUDDER DB :
_. _
RUDDER SPEED:
_ _. _ /s
RUDDER DUTY:
_ _ %
Rudder setup and auto test menu
3. ADJUSTMENTS
3-9
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