stec 60-2 auto pilot

[beechcraft flyer]

may someone please explain what this device does that i have the arrow pointing to? It is part of the auto pilot but clueless to what it actually does. Thanks in advance

 

[Arrow76R]

Looks like barometer input?

 

[Mike Gagnon]

Found this - see page 14…

https://troyoaklandpilots.org/wp-co...rplane-flight-manual-supplement-for-tr182.pdf


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[John Collins]

That is an altitude preselect panel.

 

[Checkout_my_Six]

I wish I knew how this VSI is wired to my Stec 60-2....PN