Translations:KAVAN Smart PRO TW30 Power switch with telemetry - Instruction manual/10/en
From KAVAN RC Wiki
Touch switch behaviour
Place the touch button anywhere on your model on a surface made of nonconductive material. You can place the touch button also inside the fuselage with a maximum thickness of up to 3 mm.
Make the status LED visible from outside the fuselage and put the “touch” sticker on top of the touch surface.
Connect the receiver battery to the TW30 and briefly touch the button. The status LED should blink once. If not, please increase the touch sensitivity parameter in the configuration.
Touch and hold the button for about 2 seconds. After the initial blink, the LED will start blinking again. At this moment, release the button. The main output will be activated: