No. 60027, Issue 4. January 1998
7 Programming47
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7.5.2 Calibrating Parameters
Pressing ‘EXIT’ at any point during the calibration procedure will return you to
screen .
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1. Calibrate the Veer Compensation (Veer (right +)) Parameter.
VIEW/EDIT SERVO MOD
Veer compensation
Right 39
EXIT NEXT LEFT RIGHT
Press 'LEFT' and ‘RIGHT’ to adjust the value. The range is ± 127.
Selecting the correct value will require experimentation. When calibration
is completed test drive the wheelchair. Select a Veer Compensation value
so that the wheelchair does not veer when the joystick is pushed directly
forwards or backwards. If the wheelchair veers right, press ‘LEFT’; if the
wheelchair veers left, press ‘RIGHT’.
If a large compensation value is required, the mechanical position of the
position sense potentiometer may require adjustment - see section 5.3.3.
2. Calibrate the Right Lock Parameter. The range is 0 - 100 %.
VIEW/EDIT SERVO MOD
Right Lock
84%
EXIT NEXT UP DOWN
Press 'UP' and ‘DOWN’ until steering wheels are moved as far right as is
mechanically possible. Press the HHP buttons slowly and firmly, and
pause between each press.
Press ‘NEXT’.
3. Calibrate the Left Lock Parameter as per the Right Lock Parameter.
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