EN3
Changes to red: Air quality sensor (TVOC sensor)
measures very high values and ventilation is urgently
required
Getting started:
Use with USB adapter
Use only the included USB adapter to connect a powered
device with the WL 1020. Or use a standard DC 5.0V/1A
USB-Adapter (not included) to connect the USB adapter
cable to an household power socket.
Use with batteries
Remove the battery compartment cover off the WL 1020
and insert 2 x AAA size battery while observing the correct
polarity [ “+” and “–“ marks]. Close the cover on the battery
compartment again.
Notes
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