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  1. GKC Aviation

    New Install - Comm and Intercom issue

    Sidetone generally comes out of the radio on the audio lines. If you break squelch, can you hear the radio? If you can, then I would suspect that microphone input to the radio from the intercom. Are you sure the radio is transmitting voice?
  2. GKC Aviation

    Rpm jumping about and reading very high on take off

    I had this initially on a C210 install. I had installed the 30Kohm resistors where I picked up the RPM from the P-Leads, but I had to install another two to stop the RPM from jumping around. It was especially bad at full throttle. No more problems after that. The install manual details it...
  3. GKC Aviation

    Rotax 912 ULS/HDX EMS jumpy oil pressure & high fuel pressure

    I don't have Rotax diagrams, but for a Lycoming, the oil pressure, fuel pressure and manifold pressure all share the same 5 volt source and ground from the EMS, pins 18 and 17 of the sensor harness. Might be the same in your installation.
  4. GKC Aviation

    D180 VSI

    Thank you! I'll have a look when I'm next out there. Cheers
  5. GKC Aviation

    D180 VSI

    I have a customer with a D180 in a Glassair, whose VSI has disappeared from his display. There's no scale for FPM, just the altitude display. I know you can disable VSI in the declutter (CLUTTR) menu, but VSI doesn't come up as an option, although the pilots guide says it should. Am I missing...
  6. GKC Aviation

    Compass Calibration

    Did you carry out the ground compass calibration first?
  7. GKC Aviation

    Compass Calibration - Help please

    Have you done the inflight compass calibration procedure yet?
  8. GKC Aviation

    Intercom Non Muting Input High low

    Your air traffic ATD unit ground should go to the ground pole itself, it won't matter if the Dynon intercom ground goes to the same point as long as it is a GOOD ground. Don't splice the ground wires together upstream of the ground pole is what I'm trying to say. Yes, the intercom shields should...
  9. GKC Aviation

    Intercom Non Muting Input High low

    I assume it's an Air Traffic ATD system? Your alert output from the Air Traffic will go to the Aux non-muting input of the SV-Intercom (Pin 17). This is a high signal. Looking at the diagram for the alert output from the Air Traffic, there is no audio lo. If you use a shielded wire, connect...
  10. GKC Aviation

    Skyview HDX low volume

    I just had a customer with this exact problem. The fault was his AUX headphone jack AUDIO HI tang (the tip of the phone jack) was bent in, and was shorted to the AUDIO LO, thereby grounding the audio line. I would look at your jacks first and make sure the tangs aren't touching each other, or a...
  11. GKC Aviation

    EMS widgets moving

    I'll ask him. Thank you!
  12. GKC Aviation

    EMS widgets moving

    I have a customer with a dual 10 inch SkyView system in his RV-7A. He set all the lower band widgets up to where he wanted them, and has flown a few hours since. Today, he powered up to go flying, and all the lower screen EMS widgets had rearranged themselves. The left and right fuel gauges...
  13. GKC Aviation

    P-Lead 30K ohm resistor location?

    I normally put them at the key switch, leaving the P-Leads intact.
  14. GKC Aviation

    Very noisy radio

    Try disconnecting all the SV-NET cables from the SkyView screens? These power the EMS, etc Worth a shot
  15. GKC Aviation

    GPS 2020 problems?

    As an aside to this. In our hangar, we have a FlightRadar24 receiver that uploads data to FR24 (due to being in a remote location). This has been operational for about 5 years. We started having problems with our C560 Citation not being able to get any satellites while sitting out the front...
  16. GKC Aviation

    Certified C172L install

    Greentips, What model 182? I just completed a 182Q with a 10" on the left and a 7" on the right.
  17. GKC Aviation

    Interfacing Hall Sensor

    Has anyone managed to interface an Advanced Flight Systems 44100 hall effect current sensor into a SkyView HDX system? It's left over from the previous avionics fit out, and is a nice little unit. I could fit a shunt there if it came to it (it's for a second battery and alternator). The only...
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