: Press Buttons III+IV for 2 seconds to prevent accidental button presses (the display will show "Hold").
: Press Button IV the number of times corresponding to the function number you want to change. instrukcija scher khan logicar a
: Wait for the siren to "chirp" back the function number, then press the appropriate button (I, II, III, or IV) to choose the specific value. 📂 Resources : Press Buttons III+IV for 2 seconds to