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• When using the motor with lead-based batteries (gel or AGM)
please note that the values displayed for the range are based on
the average performance curves of various batteries. Lead-based
batteries are available in qualities that vary strongly. Therefore the
indicated outstanding range can not be exact for lead-based
batteries.
• False information on the charge level (eg. due to pressing the “cal”
button twice when the batteries are not full) results in the on-board
computer over-estimating the battery‘s charge level and your range.
• At the beginning of each season the on-board computer has to be
calibrated in order to take into account the aging of the battery bank.
• Other devices that are connected to the motor’s battery supply can
not be considered when calculating the remaining charge level and
range. In this case your batteries’ charge level and outstanding
range are lower than indicated on the display
• Charging the battery bank during the journey (e.g. using solar
systems, wind turbines or generators) cannot be taken into account
by the on-board computer. In this case your batteries´ charge level
and outstanding range are higher than indicated on the display.
If you conduct the calibration on the open water (and not tied up in port) please note that
the motor stops automatically when the aforementioned conditions are fulfilled, thus
signaling the completion of the calibration. The motor can be switched on afterwards to
head towards port. Note that the remaining range is low.
The calibration helps the on-board computer to learn how much capacity the battery
bank that is supplying the motor has lost through aging. These values are included in the
calculation of future charge level indications in percent and ranges. The on-board com-
puter overwrites the values stored in the set up menu for ampere-hours for your battery
bank. If you want to assess the status of the battery bank and check the capacity loss, go
into the setup menu, look up the value for ampere-hours and compare it with the original
values. Please do not change the value set during the calibration journey as otherwise
the on-board computer will make false assumptions.
5.3.3 Exceptional functions / emergency situations
There are 3 ways to stop the motor:
To use the indicator of the battery charge status and remaining range in your Cruise, your
assistance is required in two ways:
1. Whenever you start a journey with fully charged batteries, information that the batte-
ries are charged needs to be entered into the system. To do so press the “cal” button
in the center of the display before the journey begins. The display shows the value
100% for the charge level. To confirm the value and exit the calibration menu press
the “cal” button again.
As deep discharges of lead-based batteries adversely affect the lifespan of the batte-
ries, we recommend starting a journey whenever possible with fully charged batteries.
When you switch the motor on without having charged the batteries since the last use
(e.g. when pausing the journey or after a very short journey) the on-board computer
uses the most recently saved charge level and calculates the subsequent charge levels
and range from that point.
If you have partially charged the batteries the on-board computer falsely assumes the
most recent charging level and under-estimates your charge and range.
2. At the beginning of each season the on-board computer has to be calibrated in order
to take into account the aging of the battery bank. To do so use the fully charged
battery bank on your boat and deplete it following the instructions below.
1. Charge the battery to 100% full.
2. Enter the information that the batteries are fully charged into the system as descri-
bed above by pushing the “cal” button twice.
3. Deplete the battery down to a voltage level of 21.7 V (Cruise 2.0) or 43.4 V respec-
tively (Cruise 4.0).
• During depletion of the battery, the motor may be stopped but not switched off.
• During the last half hour of the depletion, the input power of the motor must
range between 50 and 400 watts.
• After reaching the voltage level mentioned above, the motor will switch off
automatically. The information system has measured the ageing of the battery
and the calibration is complete.
Please be aware: if you try to do the entire depletion on low power while the boat is tied
up in port, this may – depending on the size of your battery bank – take more than a day.
It should be easier to go through the final phase of a calibration run after a trip, when the
battery is already depleted to a certain degree.
If you would like to monitor the voltage level of the battery during the calibration, you
can use the multifunctional display of the outboard as a voltage indicator (respective
instructions are shown under 5.3.2.2).
