Techno Line WL 1020 Manuel D'utilisation page 24


The air quality sensor will be initialized for about 15
seconds and then the air quality five-star rating will be
updated.

Place the WL 1020 securely on a flat surface with enough
free space on all sides. This way, the TVOC sensor and
the thermo-hygro sensor within the WL 1020 can get the
best results.
Time and alarm time setting

In normal display mode, hold the "SET" button for 3
seconds to enter the setting mode.

Press the "+" or the "-" button to adjust the setting and
press the "SET" button to confirm each setting. Keep the
"+" or the "-" button pressed, to accelerate the process and
reach the desired value more quickly.

The setting sequence is shown as follows: 12/24 hour
EN4