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I have a GTN-650 attempting to talk to my HS34, but I can’t seem to find a wiring diagram the supports this configuration. The GNS430/530 to HS34 is close, as is the GTN650 to SV-ARINC-429, but not exact. Direct questions: Do I use the ARINC 429 TX A and B from the HS34 as shown on the GNS...

Ok.  So if I understand this correctly, the 180/10A configuration I have is not completely redundant...  If the buss master (the 180, in my case) has a hard failure, then the 10A really falls back to providing basic flight info only.  An in flight reconfiguration might be possible to restore...

OAT is now working. like you indicated, one of the GP inputs was configured for OAT. Concerning the D-10 as a slave using only the DSAB, will it also drive the AP and encoder if the 180 goes TU? Thank you

I'm looking to retain a D10A as a backup to my newly acquired D180.  Do I need to duplicate all the signal wires in both the Dsub 25 connectors, or can I simply provide power/ground to the D10 and let them do their magic across the 2 DSAB wires? Also, when I added the D180 in place of the D10A...

Great!  Make sure he reads my latest posts...  I'll be there on Friday with my airplane and asking pointed questions.

OK, flew it into almost total darkness last night and the unit quits dimming entirely and acts like full sunlight. The HS34 has zero lighting and drives the D10 to full bright. Is the Dynon team going to Copperstate?

Will send the info, but the GTN behaves as if the ID (in the window) only shows if it's getting a good signal. In other words, it's not going immediately to a lookup table. This is further reinforced by my ability to hear the morse code in NAV audio. If I can hear it, the ID tag illuminates...

Here's it is with a VOR tuned and a GPS flight plan active. Also, the green NAV LED on the HS34 is lit this time. I'm guessing this comes and goes depending on whether I have a VOR tuned or not? Still no indication of VOR on the HSI. I should automatically see a bearing pointer for a VOR if...

Interesting you bring up the light leakage issue... There's a bunch of light coming out of the hole in the faceplate where the anchor screw lives - I thought that odd. Anyway, the unit was purchased a few weeks ago NIB from a gent who didn't need it. Unsure of its vintage, but the PN is...

More info: I rang out the wires and am 100% sure they are correct and at least the pins are talking to each other. When NAV is selected on the HS34 (NAVSRC), the green LED is dark. When GPS is selected, the magenta LED is lit. On the boot up page of the 650, the heading readout matches the...

My HS 34 seems to "hunt" for a light level at anything less than full sunlight.  At dusk, the unit will snap the knob backlights on full (it's off during the day), and then start ratcheting down the scale until it hits full dim, then goes full bright and starts the cycle over again.  Each "step"...

I'll get a picture of the NAV page soon.  And no, GPS2 doesn't "work". I do have a Garmin 296 attached to a serial port on the 650, but they don't seem to talk to each other.  Perhaps the HS34 detected this path and has assigned the GPS2 slot?  I didn't do it on purpose. I'm hoping I can tie the...

The HSI toggles between GPS1, GPS2, NAV, and a "basic" (magnetic?) page when I hit the NAV SRC button.  The unit is wired and setup according to the SV manual, and so is the GTN setup. Further, the BRG SRC button will allow me to select the 2 GPS's (even though I only have the 650 on line) and...

I have a GTN650 and a HS34/D10A, but can't seem to get the NAV/LOC functionality on the HSI page. Where is there documentation for the pin outs and GTN setup pages? Right now I'm using the Skyview D25 pinout and setup as a guess. And yes, the GTN will tune and identify a VOR... But the HSI...