To turn on Natede Basic, just keep your hand still in front of sensor. After a double blink of the LEDs you will enter the change mode. Every second the mode is changed in the following order: silent, standard, performance, off.
To see the currently selected mode, just pass your hand in front of sensor A and the LEDs will flash for 1 second.
If you want to turn o the product or change the fan mode, you must keep your hand still in front of the sensor and the sequence will start again from silent mode.