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Old 03-14-2026 | 05:19 PM
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Exclamation FrSky and Unilight help

I need help. I am new to the FrSky radio system. Had to find a new radio system since Hitec took a dump.

Been working on this for 3 days now and need to get this plane finished.
Using a FrSky X18RS, 18 channel TD R18 receiver and the UniLight E8 controller

I want to be able turn on landing light when RS Slider (Flaps) starts to move.
I am using S2 knob to control light settings and RS Slider to control flaps.

I want the landing lights to activate any time when any light settings (S2 knob) are activated and when the RS Slider passes 5%.
I dont want rs slider change any light settings when moved but to only turn on landing lights and to move the flaps.

I have messed with Mixes and the Logic pages on the xmitter and mess up everything and have to start over. Everything I have looked up online, the wording usually does to correspond with the pages on the xmitter.
Old 03-17-2026 | 05:08 PM
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All instructions I have found does not correspond with the current Ethos update screens. I have everything set up except what I have mentioned in my previous post and when trying to setup the final Mixer. There is no "Source: MAX or a Multiplex: REPLACE or MAX".
I just want the landing light to come on when the Flaps, RS Slider, is moved and not to interfere with the other light settings which is activated by the S2 Knob.
Old 03-18-2026 | 12:32 PM
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It sounds like you need a logical switch with the "and" operator.

LS#1 operator A>X, Source (A) is RS, X=-90 (that's when RS is 5% above -100)

LS#2 operator A>X, Source (A) is S2, X=-90 (that's when S2 is 5% above -100)

LS#3 Operator AND, Value 1 = LS#1, Value 2 = LS#2

LS#3 becomes positive only if both LS#1 and LS#2 are positive.

Use LS#3 as the source to activate your landing lights.

Old 03-18-2026 | 05:44 PM
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Thanks for your response. How would that look like in the transmitter though? I understand that if I was programming in basic apple languange but not on how to do that in this transmitter.
Old 03-20-2026 | 07:14 AM
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Best bet would be to go on FB... The FrSky group is really helpful. Got me thru the set up of my X20 PRO.
Old 03-20-2026 | 11:16 AM
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I did join the Official FrSky Ethos Group and posed the same question.
Old 03-23-2026 | 02:55 PM
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How would the setup be on the Unilight software for the E8 Controller then?


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