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Logical Switches

Posted: Mon Mar 28, 2016 5:29 pm
by davek
I have opentx ver. 2.1.7 on my taranis.
I want one of my gliders to sound an audible warning or voice when my glider goes below a certain altitude. I assume this is done with logical switches and special functions.
Unfortunately my illogical brain is having difficulty in working out how its done.
I would be grateful if someone could guide me to how to proceed.


Re: Logical Switches

Posted: Fri Apr 01, 2016 11:49 am
by bob195558
Hi davek,
I have not used OpenTx for a long time now, but here is where you
can find some OpenTx info: (
and ( ... 0qlU0q3vJR)
and ( ... _Guide.pdf).

Bob B.

Re: Logical Switches

Posted: Tue Apr 05, 2016 7:15 pm
by Myckey
Logical switch page, switch L whatever, first box a<x (less than) second box Alt (you need to have discovered the sensor first), next box whatever height you want the switch "on" at.


Special functions page, switch L whatever you used, then play track, then what track you want to play from the sd card sounds folder, then either no repeat or enter seconds to repeat every X seconds.

That will play when you get below X height, to do the opposite switch to a>x.

Re: Logical Switches

Posted: Wed Apr 06, 2016 8:52 am
by davek
Thanks for your help.