Otto B500 - 7.3.4 Steer Menu

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The Steer menu contains the key parameters for the turning speed, turning acceleration and
operating feel of the wheelchair. There are separate Steer menus for Prole 1 and Prole 2.
Care must be taken to differentiate between the parameters that are affected by the speed limits
(speed mode settings) and the parameters affected by the actual current speed of the wheelchair.
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Turn Max
Speed
1 – 100 % Maximum turning speed with speed limit set to 100%.
Turn Accel High
Speed
1 – 100 % Rate of acceleration in a sharp turn when the power wheelchair is
driving at high speed.
Turn Accel Low
Speed
1 – 100 %
Rate of acceleration in a sharp turn when the power wheelchair is
driving at low speed.
Turn Decel High
Speed
1 – 100 %
Rate of deceleration from a turn when the power wheelchair is driving
at high speed.
Turn Decel Low
Speed
1 – 100 %
Rate of deceleration from a turn when the power wheelchair is driving
at low speed.
Steer
Sensitivity
1 – 100 % Controls the steering sensitivity in the middle segment of the joystick
range. This parameter determines how much joystick deection is
required in order to make small steering corrections at high speed.
A value of 1% makes the control unit very unresponsive; extensive
joystick deection is required for small steering corrections. A value
of 100% results in very high steering sensitivity in the middle segment
of the joystick range.
Speed/Steer
Map
20 – 80 %
Determines how far the speed is reduced as a function of the steering
signal. Recommended initial values are 75% for front-wheel drive,
35% for centre drive and 20% for rear-wheel drive.
Rotate Enable
Speed
1 – 100 %
Protection against tipping, prevents excessive steering angles before
the wheelchair has decelerated below this value. A value of 100%
deactivates this function.
Neutral Rotate
Decel
1 – 100 % Rate of deceleration with which the wheelchair decelerates back to
neutral from a turn of the joystick.
Turn Softening 0 – 100 %
Desensitises the turning response (Turn Accel/Decel) as a function
of the current vehicle speed.
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