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Help understanding switch


Mar 8, 2011
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Ok....sorry for the dumb question. I have searched my POH and all updates to no avail. We just purchased a 1979 -181 Archer II and there is a button directly above the ignition. It gets pressed in and holds its position until pressed again and it then holds its position extended. There is no label above, or on the switch and we are trying to figure out what it does. It looks like the same type of plastic on the Cent. Autopilot buttons, but we are stumped. I am sure someone here can help me solve the issue.

Thanks in advance.


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