Operation - Bosch BDU3380 Owner's Manual

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English – 8
An operating unit is required for the starting opera-
tion of the eBike system. Observe the starting opera-
tion for the eBike system and drive unit control in the
operating unit operating instructions.
Notes on cycling with the eBike system
Note: The eBike system always starts with assistance
level OFF.
When does the eBike drive work?
The eBike drive assists your cycling only when you are
pedaling. If you do not pedal, the assistance will not
work. The motor output always depends on the pedal-
ing force you apply.
If you apply less force, you will receive less assistance
than if you apply a lot of force. This applies irrespec-
tive of the assistance level.
The eBike drive automatically switches off at speeds
over 20/28 mph. When the speed falls below
20/28 mph, the drive automatically becomes avail-
able again.
An exception applies to the push assistance function,
in which the eBike can be pushed at low speed with-
out pedaling. The pedals may rotate when the push
assistance is in use.
You can also use the eBike as a normal bicycle with-
out assistance at any time, either by switching off the
eBike system or by setting the assistance level to
OFF. The same applies when the battery is drained.
Interaction between the eBike system and gear-
shifting
The gear-shifting should be used with an eBike drive
in the same way as with a normal bicycle (observe the
operating instructions of your eBike on this point).
Irrespective of the type of gear-shifting, it is advisable
to briefly stop pedaling when changing gear. This will
facilitate the gear change and reduce wear on the
powertrain.
By selecting the correct gear, you can increase your
speed and range while applying the same amount of
force.
0 275 U07 3D2 | (21.03.2022)

Operation

Gaining initial experience
We recommend that you gain initial experience with
the eBike away from busy roads.
Test the various assistance levels, beginning with the
lowest level. As soon as you feel confident, you can
ride your eBike in traffic like any other bicycle.
Test the range of your eBike in different conditions
before planning longer and more demanding trips.
Influences on range
The range is affected by a number of factors, such as:
– Assistance level
– Speed
– Gear shifting behavior
– Tire type and tire pressure
– Age and condition of the battery
– Route profile (gradients) and conditions (road sur-
face)
– Headwind and ambient temperature
– Weight of eBike, rider and luggage
For this reason, it is not possible to predict the range
accurately before and during a trip. However, as a
general rule:
– With the same assistance level on the eBike drive:
The less energy you need to exert in order to reach
a certain speed (e.g. by changing gears optimally),
the less energy the eBike drive will consume and
the higher the range per battery charge will be.
– The higher the selected assistance level under oth-
erwise constant conditions, the smaller the range
will be.
Bosch eBike Systems
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