Alber E-Motion ECS, Инструкция по эксплуатации

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The symbol is then permanently displayed in the LCD.
- The e-motion is now in assistance level 1 again.
6. Rollback delay
- The rollback delay makes it easier to to drive on slopes and ramps
by preventing the wheelchair from rolling back when you change
your grip after a drive movement.
- You can drive on slopes as usual, whereby the e-motion wheels
behave according to the selected driving profile and assistance
level. If the wheel electronics registers a rolling of the wheel
against the original direction, the automatic rollback delay starts.
- The e-motion wheels are then electrically braked for 5 seconds to
prevent them from rolling backwards. Next, two short acoustic
signals sound and the brake function is slowly cancelled. Depen-
ding on the slope and the weight of the person, the wheels are