Horn; Drive-Away Lock; Battery Indicator; Charging - Otto Bock B 500 Bedienungsanleitung

11.4 Horn

The horn will sound for as long as key 3 is pressed.

11.5 Drive-away lock

The control unit of the B 500/B 500-S features an electronic drive-away lock.
To deactivate the driving function, carry out the following steps:
1) With the control unit turned on, press and hold the On/Off switch.
2) Once you hear a beep (approx. 1 sec.), release the On/Off switch.
3) Move the joystick forward until you hear a beep.
4) Move the joystick backward until you hear a beep.
5) A long beep confirms that the driving function has been locked. The control unit then turns off.
To reactivate the driving function, carry out the following steps:
1) After powering on, the battery indicator is dark and the speed level indicator is in the sequential light
modus.
2) Move the joystick forward until you hear a beep.
3) Move the joystick backward until you hear a beep.
4) A long beep confirms that the driving function has been activated. The battery indicator light is on.

11.6 Battery indicator

The battery indicator displays different functions:
• Operational readiness of the control unit
• Charge status of the battery
• Status and error messages
When in driving mode, the indicator is lit continually and shows the remaining battery capacity. The indicator has
10 LEDs, each representing approximately 10 % of the total battery capacity. The battery indicator can be read
as follows:
Fig. 15: Battery indicator
Immediately after powering on, the LEDs show the battery status saved before the wheelchair was turned off the
last time. The exact state of the remaining capacity is then displayed shortly after beginning to drive.

11.7 Charging

The remaining battery capacity determines the distance range of the B 500/B 500-S power wheelchair. Many
factors have an influence on the battery capacity. Aside from ambient temperature, battery age and driving
intensity, the way the batteries are charged has a considerable effect on their capacity and thus on the distance
range. Driving over a longer period of time in the red range will discharge the battery completely and damage
the battery. Driving with a nearly empty battery also poses a serious risk to the wheelchair user, as the chair will
stop abruptly once the battery is fully discharged. The battery should thus be recharged once the indicator lights
are in the orange range and, at the latest, once in the red range. If the B 500/B 500-S is not used for a longer
period of time, a charging cycle should be carried out once a week to maintain the battery's capacity.
• Batteries are charged
• Batteries should be
recharged
• Recharge batteries now!
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