I take it you use split axis ?
If so when you calibrate the pedals, just before you finish it says centre
contoller and press a button, at this point you need to move the accelerator
/ brake until the reading is about 10 above the rest position, it results in
a small deadzone at the start of movement.
The problem is that when you calibrate the accelerator and brake GP2 needs
to see 3 positions during calibration, full on, full off and centre. The
centre is what causes the prob because you don't use one with a brake or
accelerator pedal.
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Ian Parker
UKGPL League
http://www.btinternet.com/~ukgpl/index.html
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