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Garmin GMA 240 Fail-Safe Question

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jdubner(at)yahoo.com
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Posted: Mon May 07, 2012 7:24 pm Post subject: Garmin GMA 240 Fail-Safe Question

Can someone with actual hands-on experience with the Garmin GMA 240 Audio Panel 

answer this question, please?  Is the volume of the "Failsafe Warning Audio" 

(P2402 pin 29) controllable or is it fixed?



The installation manual implies it's useful for an audio input that will be 

audible in the pilot headset even if power is removed.  It seems like an obvious 

choice for my EFIS (Dynon Skyview) warning audio but not if the audio level is 

not acceptable and cannot be set.  In that case, one of the ALERT, AUX, or even 

NAV audio inputs would work better -- except in the case of power failure.



Or maybe it's wired in parallel with one of the other inputs to provide an 

adjustable level under normal conditions and some arbitrary level after a power 

failure.



Has anyone used this feature?



Thanks,

Joe

Independence, OR

http://www.mail2600.com/cgi-bin/webcam.cgi

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