English – 10
Once the electrical load has been disconnected, the
USB port must be carefully resealed with the protec-
tive cap(8).
u A USB connection is not a watertight plug con-
nection. When cycling in wet conditions, ensure
no external devices are connected and that the
USB port is fully covered by the protective
cap(8).
Attention: Any electrical devices connected can re-
duce the range of the eBike.
Switching on/shutting down the on-board
computer
To switch on the on-board computer, briefly press
the on/off button(5). The on-board computer can
also be switched on when it is not inserted in the
holder (if the internal battery of the on-board com-
puter is sufficiently charged).
To switch off the on-board computer, press the on/
off button (5).
If the on-board computer is not inserted in the holder,
it automatically switches off after 1minute to save en-
ergy if no button is pressed.
u If you are not going to be using your eBike for
several weeks, remove the on-board computer
from its holder. Store the on-board computer in a
dry environment at room temperature. Regularly
recharge the on-board computer's internal battery
(at least every three months).
Battery charge indicator of the eBike
battery
The battery charge indicator of the eBike battery(i)
displays the state of charge of the eBike battery, not
that of the on-board computer's internal battery. The
eBike rechargeable battery's state of charge is also in-
dicated by the LEDs on the eBike rechargeable bat-
tery itself.
Each bar of the battery symbol on the indicator (i)
represents approximately20% of the capacity:
The eBike battery is fully charged.
The eBike battery should be recharged.
The LEDs of the battery charge indicator
on the eBike 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 capacity of the
eBike battery is enough for about 2 hours
of lighting. This does not account for other
consumers (e.g. automatic gearbox,
charging external devices from the USB
port).
If the on-board computer is removed from the
holder(4), the state of charge that was last displayed
for the eBike battery is saved. If an eBike is powered
by two eBike batteries, the battery charge indicator
for the eBike battery(i) will display the state of
charge of both eBike batteries.
If an eBike has two eBike batteries
inserted into it and both eBike bat-
teries are charged on the bike, the
charging progress of both eBike bat-
teries will be indicated on the display
(the left-hand eBike battery pack is
being charged in the illustration).
You can also tell by the flashing indi-
cator on the eBike battery which of
the two eBike batteries is being
charged.
Setting the assistance level
On the control unit(9), you can set how much the
drive assists you while pedaling. 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.
1 270 U20 XBI | (14.03.2023) Bosch eBike Systems
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