The problem is can you wire up a undercarrage alarm like what you can do
the the L-nav??

I saw that option on my S-nav and decided it was a very bad idea. The
gear warning should be a different sound, coming from a different
place in the cockpit and preferably quite loud. Think about it, you
have been hearing the S-nav audio all day long................do you
thing one more sound coming from the same place will get your
attention?
JJ

PS, Got to tell a gear-up story. At Truckee a few years back we saw a
bird coming in with gear not extended, so we called on
122.8............nothing! Then we tried 123.3..............still
nothing. Then we waved our hands as the ship floated
by.............the pilot waved back! When we got to the ship it was
hard to communicate with the pilot because the gear warning horn was
making so much noise! So much for gear warning devices! I have had 2
gears collapse on me, but have yet to not extend it. My landing check
is WWW.TFR
Wheel
Wind
Water
Traffic
Flaps (& Spoilers)
Radio