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Battery charge indicator
The battery charge indicator (i) displays the state of charge
of the eBike battery, not that of the on-board computer's in-
ternal battery. The state of charge of the eBike battery can
also be checked on the LEDs of the battery itself.
Each bar of the battery symbol on the indicator (i) repres-
ents approximately 20 % of the capacity:
The eBike battery pack is fully charged.
The eBike battery pack should be recharged.
The LEDs of the battery charge indicator on the
battery go out. The capacity for assisting the
drive has been used up, and assistance is
gently switched off. The remaining capacity is
made available for the lighting and the on-
board computer. The indicator flashes. The ca-
pacity of the eBike battery is enough for about
two hours of lighting. This does not account for
other consumers (e.g. automatic gearbox, char-
ging external devices at the USB port).
If the on-board computer is removed from the holder (4),
the last displayed state of charge of the battery is saved. If
an eBike is powered by two batteries, the battery charge in-
dicator (i) displays the state of charge of both batteries.
If an eBike has two batteries inserted into
OFF
it and both batteries are charged on the
MPH
KM/H
bike, the charging progress of both bat-
teries will be indicated on the display
(the left-hand battery pack is being
charged in the illustration). You can also
tell by the flashing indicator on the bat-
tery which of the two batteries is being
charged.
Setting the assistance level
On the operating unit (9), you can set the level of assistance
you want the eBike drive to provide you with while pedalling.
The assistance 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 maximum:
– OFF: Motor assistance is switched off. The eBike can just
be moved by pedalling, as with a normal bicycle. The
push assistance cannot be activated at this assistance
level.
– ECO: Effective assistance with maximum efficiency, for
maximum range
– TOUR: Steady assistance, long range for touring
Bosch eBike Systems
– SPORT/eMTB:
SPORT: Powerful assistance, for mountain biking and
cycling in urban traffic
eMTB: Optimum assistance whatever the terrain, rapid
acceleration when starting from a standstill, improved dy-
namics and top performance (eMTB only available in
combination with the drive units BDU250P CX, BDU365,
BDU450 CX and BDU480 CX. A software update may be
required.)
– TURBO: Maximum assistance even at high pedalling
speeds, for sport cycling
To increase the assistance level, press the + button (12) on
the operating unit repeatedly until the required assistance
level appears on indicator (b). To decrease the assistance
level, press the – button (11).
The requested motor output is displayed in the indicator (a).
The maximum motor output depends on the selected assist-
ance level.
When the on-board computer is removed from the holder
(4), the assistance level that was last displayed is saved; the
motor output indicator (a) remains empty.
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 in-
structions of your eBike on this point).
Irrespective of the type of gear-shifting, it is advisable that
you briefly stop pedalling when changing gear. This will aid
the gear change and reduces wear on the powertrain.
By selecting the correct gear, you can increase your speed
and range while applying the same amount of force.
For this reason, follow the gear change recommendations
provided by the indicators (g) and (h) on your display. If in-
dicator (g) is displayed, you should change to a higher gear
with lower cadence. If indicator (h) is displayed, you should
select a lower gear with higher cadence.
Switching bike lights on/off
In the model in which the lighting is powered by the eBike
system, the front and rear lights can be switched on and off
at the same time via the on-board computer with button (2).
When the lighting is switched on, <Lights on> appears and
when the lighting is switched off, <Lights off> appears for
approx. 1 s on the text indicator (d). The lighting symbol (c)
is displayed when the light is on.
The on-board computer saves the light status and activates
this saved status accordingly after a restart.
Switching the bike light on and off has no effect on the back
lighting of the display.
Switching the push assistance on/off
The push assistance aids you when pushing your eBike. The
speed in this function depends on the selected gear and can
reach a maximum of 6 km/h. The lower the selected gear,
English – 3
EN-29
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