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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).
