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  1. GKC Aviation

    Activate aux com on HDX

    Well, that makes a difference. You have to put the audio into your intercom unit. Put your Superneurone audio HI into pin 17 of the intercom connector, and splice your audio ground into the wire that is currently in pin 1 of the intercom. That should work.
  2. GKC Aviation

    Activate aux com on HDX

    Hi Guy, The alert audio is connected to your Trig radio, not the Skyview. Go into your Trig radio configuration menu as posted by you above, by holding the MON button for two seconds or so. Go to the Auxiliary input volume, and turn it up. You might find that it is set to zero as the default...
  3. GKC Aviation

    Activate aux com on HDX

    You don't say what model Trig VHF you have, But I will assume a TY91 or a TY96 On a TY91, connect your alert audio HI to pin 20 of the main unit connector. If it is a TY96, then connect to Pin 14
  4. GKC Aviation

    Low voltage hdx indicator any advice please random goes low but system is charging fine ok

    Your voltage sense and your amps are two different sources giving you the same information. It really looks like your charging system is not working.
  5. GKC Aviation

    MAP and oil pressure failed, crossed out

    You are probably right, but it's a nice quick check to eliminate one possibility. Take literally two minutes. That is all we are suggesting. Both Jake and I do this for a living, we have seen a lot of weird faults, and it's best to start with the easy stuff first.
  6. GKC Aviation

    MAP and oil pressure failed, crossed out

    I have had a Plane Power alternator cause all sorts of dramas due to stator wiring connections cracking off internally. (it is a big problem with PP alternators) It still worked, but obviously the output voltage was something other than clean DC. Also the amps were jumping around, but so fast...
  7. GKC Aviation

    High Amps on Transmit

    Yes, I've seen an installation where on transmit, all the CHT and EGT's go high. In this case, it was because the VHF antenna coax (even though it was RG400) was run very close to the EMS and EMS wiring harness. Moving the coax away fixed it. I don't think the EMS is shielded very well from RF...
  8. GKC Aviation

    No sidetone when transmitting, sound like a robot on intercom

    On your hollow robotic receive audio, are you using a stereo or mono headset? Sometimes a mono headset in stereo jacks will cause some weirdness.
  9. GKC Aviation

    No sidetone when transmitting, sound like a robot on intercom

    Just to check, have you adjusted the sidetone on the X25 COM? It might be set at zero. Sidetone is a product of the radio during transmit
  10. GKC Aviation

    Float Plane Yaw

    Ah, ok so it is trying. I am guessing that if you roll the aircraft without the AP (a normal turn), it takes some rudder to prevent the slip. I have no experience flying the S7 or any floatplane, however I expect the floats have a fair bit of say in wanting to go straight, and a banked turn will...
  11. GKC Aviation

    Float Plane Yaw

    I would be checking the shear pin in the roll servo. It will still have enough friction to feel ok on the ground, but won't have enough to drive the ailerons in flight. Worth a try...
  12. GKC Aviation

    No sidetone when transmitting, sound like a robot on intercom

    When you talk to you passenger on the intercom, do you have sidetone? Do you only not have sidetone on transmit?
  13. GKC Aviation

    New Trio A/P install PA28 Issues

    @jakej will be the man
  14. GKC Aviation

    Altitude adjusment

    During the two yearly check, the altitude of the EFIS is compared to the altitude on the pitot static test set. If it is incorrect, the ALTADJ in the EFIS setup menu is used to make them read the same. This also adjusts the gray code output to suit.
  15. GKC Aviation

    Altitude adjusment

    Sorry for the mix up with the manuals, I should have more thoroughly read your first post. Do you have a transponder in your plane that has the encoder connected to it? Encoders are calibrated to pressure altitude (referenced to 29.92 InHg or 1013.25Mb), not barometric altitude. Depending on...
  16. GKC Aviation

    Altitude adjusment

    Yes, this is on page 7-1 of the installation guide. I urge you to read the manual
  17. GKC Aviation

    D100 Remote Magnetometer

    I think I have two here somewhere in the hangar that have been removed during HDX upgrades. Where are you located?
  18. GKC Aviation

    Oil pressure blanks - - - after start

    Could be air in the oil pressure line to the sensor. This might cause the rising oil pressure to compress the air in the line and spike the sensor. Sort of like water hammer in your water lines at home when you turn a tap on and off with air in the pipes.
  19. GKC Aviation

    EGT CHT readings false on #1 cylinder

    Do not use these, they are the worst. They are called an OLC-2 connector, and EI have been supplying them for years. I can't tell you how many I have removed due to causing all kinds of problems. They are first thing to go in the bin when I install anything from Electronics International. Mind...
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