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Ah OK, I misunderstood that you wanted a front removal. I agree it's a strange way to mount instruments. A clamp mount that can be loosened from the front would be a good design idea, like the old Sperry HSI's in King-Airs

You assemble the D10A onto the flush mount first. You see the outer groups of 3 holes? they are to install nut plates / anchor nuts into, and you attach the flush mount to the panel with screws from the front of the panel. Yes, you have to physically hold the unit up to the back of the panel...

You install it in the $20 flush mount bracket, then you can remove it from the front no worries.

The audio from your Skyview goes into the ACM module via the EFIS PFD connector, comes out on the Audio Panel DB25 connector (labelled "audio panel"), and then to your PDA360 unswitched audio #1. Unswitched audio #2 is from your IFD, are the NAV alert sounds also muted? The reason you still get...

Good stuff mate! What are you building?

Yeah, putting the mic output from the IC straight into the audio input (your headset) won't work due to the impedance mismatch between the microphone, and the headset speakers. Try the mic audio from the jack straight into the radio input pin 23, and listen to your normal headset output as...

Since your wiring is all good, it's either going to be the intercom isn't switching audio through to the radio when PTT is active, or the radio isn't outputting sidetone. You could make up a small harness from your mic jack ring terminal (mic hi), straight to the radio input pin 23, this would...

Yeah, you should hear yourself on transmit (sidetone). Push it outside if you can and try for a radio check to another aircraft if possible, or borrow a handheld. Yes, it's a simple connection, check your mic hi and lo twisted pair aren't reversed at the radio (23 and 9), and you have...

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?

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...

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.

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

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...

Did you carry out the ground compass calibration first?

Have you done the inflight compass calibration procedure yet?

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...

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...

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...

I'll ask him. Thank you!

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...