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ez-steer....day two
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alange
Posted 4/21/2006 01:49 (#6665 - in reply to #6584)
Subject: Re: ez-steer....day two


Sunnyvale, CA
It shouldn't make any difference where you calibrate the roll, on a flat surface or on a small side slope. You mark the wheel locaitons do the first part of the procedure and turn around to the same spot and press OK when you are on the marked spots. The roll calibration is the average of the two readings so the slope of the ground is removed by the calibration process and the roll offset for your mounting location is saved. Then the roll measurement should be accurate on sideslopes. If you do the procedure a second time, you should get the same results as read in the Terrain compensation Diagnostics screen. it should be a small angle like you got, 1.9 degrees for example. On my vehicle the reading is 2.6 degrees. so your number is within normal limits. If you were to put some washers under one side of the controller, then the 1.9 would be a different number, larger or smaller, depending on which side the washers were placed. It makes no difference in performance if there is only a small angle offset less than 5 degrees for example, although smaller numbers mean the controller is mounted closer to parallel with the wheels. If the Roll offset were 10 degrees, for example, I'd check the mounting locaiton and make it closer to the vehicle frame vy tilting it a bit one side or the other.
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