Spirit Pro rudder problem

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Mikstr
Posts: 1
Joined: Sat 18. Aug 2018 16:01:10

Spirit Pro rudder problem
Hi all,
I'm a new Spirit Pro user . I'm about halfway through setting everything up for a new Trex 700 build, and am thoroughly confused by the behavior of my tail servo. Cyclics I'm running 3 brand new  Turnigy 1267HV Digital Titanium Gear Servo 57g/14kg/.10sec and King Max CLS 1004S for rudder
http://www.kingmaxhobby.com/pd.jsp?id=98#_pp=0_463_177

Running through servo centering, the cyclics work just fine, but the CLS 1004S does not respond at all to centering. In the tail servo setup panel, moving the sliders to adjust the limits causes the servo to react a bit erratically: moving the left limit works to some degree and after switching to the right limit, the servo jumps and then does nothing.
After fiddling with the limits the tail servo responds to inputs but only sluggishly moves through half the expected travel range.

I'm using the recommended 1520us/333hz settings according to the manual.
Manual
http://14457401.s21d-14.faiusrd.com/0/A ... 1543993794

I have tried with another servos and they do the same thing.
If i move the stick to full left or right and then to zero the servo stops at about 75%
To get the servo to zero you have to turn the another way and stop at zero point

Any ideas what i'm doing wrong?
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