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Dometic SEASTAR OPTIMUS EPS Installation Manual page 33

Inboard electronic power steering with electric actuator

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Electric Inboard Steering Actuator
NOTE
• Sometimes the boat will not track straight through the water when the
rudder is aligned straight ahead. You can correct this by performing
the straight line correction again during a sea trial. Steer the helm until
the boat is tracking straight at cruising speed, then press Set.
• There is an option to Clear Rudder Corrections should you need
to reset the steering center to the calibrated center.
6.3.4 Set Proportional Sensitivity
Proportional rudder sensitivity is an optional parameter used to increase the helm
sensitivity at the neutral rudder position for more responsive steering. The total
number of helm turns lock-to-lock is unchanged, so the steering becomes less
sensitive as you approach hard over.
Proportional Sensitivity is set in Steering Setup > Set Proportional Sensitivity.
There are two parameters:
Proportional Sensitivity Gain: This parameter controls the increase in sensitivity.
The range is from 0.5 to 4.0 and represents a multiplier of the standard helm
sensitivity. The default value of 1.0 means there is no change, and a value of 4.0
means the helm sensitivity is four times the normal setting. The multiplier applies at
zero steering angle, then decreases linearly as steering angle increases. We suggest
that you start with a gain of no more than 2 and sea trial before increasing the gain.
Proportional Sensitivity Range: This is the steering angle range (from zero
degrees) over which the Sensitivity Gain is applied. Adjust the parameter between
0° and the maximum steering angle of 30°.
6.3.5 Check installation
At this point you have almost completed the installation and setup of the Optimus
EPS with Electric Actuator. The final step is to check the installation for interference.
Follow the interference check procedure in section 2.2 ("after installation") and
correct any interference before handing the boat over to the customer.
NOTICE!
• Failure to perform these checks may result in damage to the Electric
Actuator, which could affect operation of the steering system.
• Do not hand the boat over to the customer without performing these
checks and correcting any interference.
EN
31

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