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It's OK, you can't hurt anything by wiring it up the way Dynon recommends. V

There is some discussion on serial ports http://dynonavionics.com/cgi-bin/yabb2/YaBB.pl?num=1290017431 My recommendation is to prewire everything in anticipation of future upgrades (new instruments). If you don't use a wiring hub like the one I've developed, just connect the wires and leave...

One of Jose Monroy's best kep secrets is the new ATD-300+ which provides directional capability with a new, streamlined external mount antenna. I have flight tested it, and it appears to function properly. He also indicated that the speaker output pin will be rededicated to a serial data...

And here's a photo of the prototype: Thanks, Vern

Re: RS-232 and bus interconnect OK Folks, I've been busy.  Earlier I published a schematic of a typical Skyview dual EFIS system (replicated below).  I've been pondering the amount of interconnect and wondering how I'll be adding and changing the wiring in future as new instruments appear (such...

Fixed, diagram is now correct. Thanks, Vern

I like this idea as well, but I realize it might be a hardware change in order to get the millivolt resolution. Keep it in mind for the inevitable hardware revisions. Vern

I have a Q about the user interface on the EFIS when using the Dynon Transponder. The concensus amongst my pilot comrades is that we like the Garmin interface... punch in 4 consecutive numbers (from 0 to 7). This is superior to using a knob to set a number, push a button, then repeat up to 3...

Thanks. I think I'll prewire a pair of 22 AWG wires and connector now and then later I will splice in the OAT sensor at the bitter end, probably using a similar plug/socket setup. A side benefit of this is that if the sensor ever fails, I can just plug a new one in without rewiring. I'd...

That's what I'm suggesting, but there is no information available on the type of pins required at the ADAHRS end, or if there are any specific shielding requirements. I recall the D10A's temperature probe would not tolerate modifications to the wiring. It would be nice for Dynon to provide a...

After much gnashing of teeth, I installed a tray for the SV ADAHRS in the aft baggage compartment of my HRII. Before I close the skin, I need to route the wiring for the OAT probe, which will be located underneath the HS. Since it will be impossible to route wiring when the fuselage is closed...

There was some discussion on the RS232 topic about Skyview system interconnect. I thought that I would repost my reply with a different title, and add various schematic pages for criticism/review by Dynon and others.  The intent is to refine the designs, prevent wiring errors and provide...

My experience with Avionics is that customers often exceed "do not exceed" voltages. At one time, I had failures with circuits that would operate up to 16V, so 12/14V systems would be ok, right? Not so, because customers had a habit of testing devices on the ground with questionable power...

Here's my thoughts: 1) Replicate as much as possible the functionality and reliability of an X96 GPS or Aera.  That would allow the elimination of the Aera 500 and net $300 ($800-$500) towards the purchase of a second Skyview & battery in the panel.  The ultimate objective is a Garmin-free...

The following is not definitive, it would be nice for Dynon to have a once-over to see if there is anything amiss.  It is set up for a VFR panel, plus an SL-30 for NAV and a (future) ADS-B UAT. It incorporates the redundant serial links just announced by Dynon.  Things to finalize are the...

Your docs state that the dimmer output (currently unsupported) is an open collector pwm output. 1) Is this a pnp or npn output (i.e. does it pull to +12 or ground or)? 2) Can it drive any appreciable current, or is it intended to be just a drive signal to an external device? The only device...

Re: Software pricing: per screen or per SV network Thanks, that's the right answer, you guys have thought this through. V

Are the factory wiring harness SVN, RS232 and audio cables shielded, twisted or otherwise? I'm planning connectors and I need to know if I need to accommodate shield carry-throughs. If there is a mix, it would be nice to know which ones are which. Thanks, Vern

The dual SV power inputs, are they diode isolated? I'd like to wire redundant power connections from separate circuit breakers, but this only works if the SV power inputs are diode isolated (i.e. a fault on one bus does not propagate to the other bus). Thanks, Vern

When Dynon offers the software add-ons for terrain, SynVis and so on, is the pricing good for the entire network (multiple screens) or per EFIS unit? This could be quite a cost penalty for multi-EFIS installations if we have to pay multiple times for the same database. Vern