GRT Avionics

Good Morning Jeff,

As a follow-up to the RS232 feed which you have written the Protocol for the Garmin interface, can you tell me how often for example the airspeed data is sent? Is it every time it sees a change in value or every x-seconds or?

Thanks,

Gary E
VELOCITY XLRG
ARB, MI

Thanks Jeff,

I will disconnect that hard programmed audio alert per your instructions.

Question: Since I have the AeroSafety Systems Annunciator System (pulls info from the HXr via the G3X format you programmed), which items should I have on and which off in that page shown in my screenshot?

Happy New Year Jeff, Jon and All,

When I turn on my master (EIS comes to life), I am getting a VERY annoying and loud audible beeping (warning) that oil pressure is too low. How do I silence this or, since I have a separate annunciator system (Aerosafety Systems AH502) with visual and audible ...

Hi, has anyone figured this one out, I have the same on new install Remote EIS and HXr's...

Hey Gary,



1. Either source would be equally accurate and suitable as a manifold pressure sensor source. It'll most likely be easier for you to use the Remote EIS's internal MAP sensor to get the data to your EFIS units, though.

2. Yes, you can connect the EIS MAP sensor by teeing off those lines ...

Jeff, as discussed, the Garmin interface you wrote works PERFECTLY with the AH502 devices... photo of test attached!

*Notes: The test I performed was with logic that told the first annunciator light to activate *if* airspeed is over 35 knots (this is just a simple logic test of the system and that ...

Good Day,

I recently was reading a page on the GRT website regarding your previous work with the HUDLY HUD Systems. I was fortunate enough to find a retailer that has about 20 of them NIB and I purchased one. Just received, very nice... it is the HUDLY Wireless Smart Head-UP Display (HUD).

I was ...

Good Day Jeff,

I wired the outputs (per the diagrams) and as it relates to wiring to the HXr or the EIS AUX Inputs I chose to wire it from the L2e Dongle directly to the EIS (Pins 16 and 17) and not to the EFIS.

I see the instructions below were for the HXr instead of the EIS, however thought I ...

Thanks Jeff,

Andrew at AeroSafety Systems asked what voltage is the Warning light pin floating up to when NOT grounded?

Thanks,

Gary Ernest
Velocity XLRG
ARB

Good Day Jeff,

This is a follow-up to our work with beta testing the AeroSafety Systems Annunciator (AH502) with the GRT HXr's (using the Garmin G3X Protocols).

Question:

The AH502 has direct connections with the G3X via these Interconnects:

1. RS232 TX - to AH502 Digital Input 0 (Pin 22)
2 ...