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Thread: elevator trim indicator

  1. #1
    Senior Member
    Join Date
    Mar 2010
    Location
    gilford, nh
    Posts
    335

    elevator trim indicator

    when i trim up for landing my trin indicator shows down. is this correct?
    Alan

  2. #2
    There is a potentiometer in the trim servo that provides position information. It sounds like you have the wiring backward.
    Highest Regards,

    Noah F
    RV-7A
    Rhode Island

  3. #3
    You don't need to change the wiring. If you swap the up and down numbers in the trim calibration it will change the direction of the indicator.

  4. #4
    Senior Member
    Join Date
    Mar 2010
    Location
    gilford, nh
    Posts
    335
    ok i'll try that
    alan

  5. #5
    I have just installed two 3400's and I am having the same issue. Can you tell me where in the EFIS to navigate to in order to change the calibration for this? Thanks

  6. #6
    Trim menu in the calibration menu, page 2 item 28,29,30
    Rob Hickman
    Advanced Flight Systems Inc.

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