Hello Giff.  

I have the same stack in my Legacy.  To this stack, I've added the GTX-33
remote mode S transponder and the GDL-69 XM weather receiver.  The
transponder and XM weather receiver boxes are mounted behind the panel and
interface with the -480 and -200 for control and display.  

The PMA-8000, GNS-480 and SL-30 support remote control of a few key
functions with push-button (momentary contact) switches.  For example, you
can mount little push buttons on the center console or control stick to
flip-flop radio frequencies, switch between com 1 and com 2 and activate the
transponder ident function.  

Finally, the GNS-480 has some useful features not present in other GPS
navigators, but Garmin has recently announced its obsolescence.  I think
it's a superior unit, but clearly I'm in the minority.  

I think you've got a great stack.  

Best of luck

John Richardson
Legacy N16DX with about 50 hours

-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of
Giffen Marr
Sent: Sunday, January 13, 2008 5:30 AM
To: lml@lancaironline.net
Subject: [LML] Avionics Stack

I would like some feedback on the lay-out of the Avionics Stack for a
Lancair IV-P.

Here is a preliminary proposed stack:

Avionics equipment stack from top-to-bottom:
PMA-8000
GNS-480
SL-30
GMX-200

Any suggestions would be appreciated.

Giff Marr
LIV-P/Mistral 65%


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