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  1. D

    HSI inputs

    OK we will use the 250 XL. Most Urgent . . . . . however we have uploaded the .07 and .08 Ok. but when we first switch on the EFIS/EMS all we get is a ooo in a left box the altitude in a right box, then underneath several lines in RED, then the aeroplane symbol, then a White patch with...
  2. D

    HSI inputs

    We have EFIS D100 and EMS D120 now upgraded to HSI. Before we make connections, please confirm that we can use the 232 output from Garmin GNC250XL and/or King 150 GPS. Many thanks. Donald F
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