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simrad AP11 problems

Old 06-08-2010, 05:56 AM
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Default simrad AP11 problems

How do you test a RF 300 rudder feedback to see if it is working? I get a rudder angle error. Checked the cable and connections, appear Ok.
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Old 06-09-2010, 06:37 AM
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grab a multimeter that supports frequency (hertz, normally abbreviated hz). go to the j300x j-box and across the feedback terminals with the rudder at mid-ships you should see approximately 3,400hz, then slowly take the wheel to one hardover, then back across mid ships to the other. With each degree of rudder change you should see a 20hz change (in one direction it will be increasing, going to the other side it will decrease).
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