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EN-146
Start-up
Requirements
The eBike system can only be activated when the fol-
lowing requirements are met:
– A sufficiently charged battery is inserted (see bat-
tery operating instructions).
– The on-board computer is properly inserted in the
holder (see on-board computer operating instruc-
tions).
– The speed sensor is correctly connected .
Switching the eBike system on/off
The following options are available for switching on
the eBike system:
– If the on-board computer is already switched on
when you insert it into the holder, the eBike system
will be automatically activated.
– When the on-board computer and the eBike battery
are inserted, briefly press the on/off button of the
on-board computer.
– With the on-board computer inserted, press the
on/off button on the eBike battery (some bicycle
manufacturer-specific solutions prevent access to
the battery on/off button; see the battery operating
instructions).
Note: The eBike system always starts in OFF mode
for drive units with a maximum speed of more than
20 mph.
The drive is activated as soon as you start pedaling
(except for in the push assistance function, Switching
the push assistance on/off). The motor output de-
pends on which assistance level is set on the on-
board computer.
As soon as you stop pedaling when in normal opera-
tion, or as soon as you have reached a speed of
20/28 mph, the eBike drive unit switches off the as-
sistance. The drive is automatically re-activated as
soon you start pedaling again and the speed is below
20/28 mph.
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Operation
The following options are available for switching off
the eBike system:
– Press the on/off button of the on-board computer.
– Switch off the eBike battery using its on/off button
(some bicycle manufacturer-specific solutions pre-
vent access to the battery on/off button; see the bi-
cycle manufacturer operating instructions).
– Remove the on-board computer from its holder.
If the eBike is not moved for approx. ten minutes and
no button is pressed on the on-board computer, the
eBike system switches off automatically in order to
save energy.
eShift (optional)
eShift is the integration of electronic gear-shifting
systems into the eBike system. The eShift compo-
nents are electrically connected to the drive unit by
the manufacturer. The separate operating instruc-
tions describe how to operate the electronic gear-
shifting systems.
Setting the assistance level
You can set the level at which the eBike drive assists
you while pedaling on the on-board computer. The as-
sistance level can be changed at any time, even while
cycling.
Note: In some models, the assistance level may be
preset and cannot be changed. There may also be
fewer assistance levels available than stated here.
The following assistance levels are available as a max-
imum:
– OFF: Motor assistance is switched off. The eBike
can just be moved by pedaling, as with a normal bi-
cycle. The push assistance cannot be activated at
this assistance level.
– ECO: Effective assistance with maximum effi-
ciency, for maximum range
– TOUR: Steady assistance, long range for touring
– SPORT/eMTB:
SPORT: Powerful assistance, for mountain biking
and for cycling in urban traffic
eMTB: Optimum assistance whatever the terrain,
rapid acceleration when starting from a standstill,
improved dynamics, top performance (eMTB is
only available in combination with drive units
BDU250P CX, BDU365, BDU450 CX and
BDU480 CX. This also requires a software update.)
Assistance level
ECO
TOUR
SPORT/eMTB
TURBO
The assistance factor may vary in some models.
A)
B)
Dynamic-progressive assistance level between TOUR and TURBO modes
Switching the push assistance on/off
The push assistance aids you when pushing your
eBike. The speed of this function depends on the se-
lected gear and can reach a maximum of 3.7 mph.
The lower the selected gear, the lower the speed of
the push assistance function (at full power).
The push assistance function must only be used
u
when pushing the eBike. There is a risk of injury if
the wheels of the eBike are not in contact with the
ground while using the push assistance.
To activate the push assistance, briefly press the
WALK button on your on-board computer. After acti-
vation, press the + button within 3 s and keep it
pressed. The eBike drive is switched on.
Note: The push assistance cannot be activated at as-
sistance level OFF.
The push assistance is switched off as soon as one of
the following occurs:
– You release the + button;
Bosch eBike Systems
Bosch eBike Systems
– TURBO: Maximum assistance even at high pedaling
speeds, for biking sports
The requested motor output appears on the display of
the on-board computer. The maximum motor output
depends on which assistance level is selected.
Assistance factor
Performance Line
Performance Line CX
(BDU490P)
(BDU480 CX)
60 %
60 %
140 %
140 %
240 %
240/140–340 %
340 %
340 %
– the wheels of the eBike are locked (e.g. by applying
the brakes or hitting an obstacle);
– the speed exceeds 3.7 mph.
The push assistance function is subject to local regu-
lations; the way it works may therefore differ from the
description above. It can also be deactivated.
Switching bicycle lights on/off
On the model where the bike lights are powered by
the eBike system, the front light and taillight can be
switched on and off at the same time via the on-board
computer.
Before starting each journey, check that your bike
lights are working correctly.
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A)
Cargo Line
60 %
140 %
B)
240 %
400 %
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