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Thread: Changed the battery, lingering problem

  1. #1
    Junior Member
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    Richmond, VA, USA
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    Changed the battery, lingering problem

    So I changed the BR1225 batteries in my 3500 and 3400. After reviewing advice in the forum, I then reset the clock, re-enabled various pages on the page list, and also reviewed the knob list.

    Unfortunately the ALT and MIN-ALT bug options are grayed out and can't be selected for use in the knob list. The 3500 still works with the autopilot (a TruTrak Vizion) fine in lateral mode (both LAT-HDG and LAT-NAV work, including when using GPS) but the unit is no longer capable of bugging an altitude or setting a minimum altitude as before. Also if you try to set VER ARM it just gives up after a few seconds. The ends of the flight director bars remain gray at all times.

    Any ideas on how to fix this? Thanks!

  2. #2
    Advanced Flight Systems Shawn McGinnis's Avatar
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    EFIS -> NAVIGATION -> BUGS to verify that the bugs are enabled (HDG ON, ALT ON, and SPD ON)
    Shawn McGinnis

    Advanced Flight Systems
    support@advanced-flight-systems.com

  3. #3
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    Quote Originally Posted by Shawn McGinnis View Post
    EFIS -> NAVIGATION -> BUGS to verify that the bugs are enabled (HDG ON, ALT ON, and SPD ON)
    Thanks Shawn - I will give that a try!

  4. #4
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    Quote Originally Posted by Shawn McGinnis View Post
    EFIS -> NAVIGATION -> BUGS to verify that the bugs are enabled (HDG ON, ALT ON, and SPD ON)
    This seems to have done the trick!! No idea how those settings got turned off.

    I really, really appreciate the prompt assistance, you have made my trip this weekend MUCH more pleasant.

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